Hitachi EX1900-5 Operator's Manual

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INTRODUCTION

Tokyo, Japan Hitachi Construction Machinery Co., Ltd.

Read this manual carefully to learn how to operate and service your machine correctly. Failure to do so could result in personal injury and/or machine damage.

This manual should be considered a permanent part of your machine and should remain with the machine when you sell it.

This machine is of metric design. Measurements in this manual are metric. Use only metric hardware and tools as specified.

Write product identification numbers in the Machine Numbers section. Accurately record all the numbers to help in tracing the machine should it be stolen. Your dealer also needs these numbers when you order parts. If this manual is kept on the machine, also file the identification numbers in a secure place off the machine.

Warranty is provided as a part of Hitachi's support program for customers who operate and maintain their equipment as described in this manual. The warranty is explained on the warranty certificate which you should have received from your dealer.

This warranty provides you the assurance that Hitachi will back its products when defects occur within the warranty period. In some circumstances, Hitachi also provides field improvements, often without charge to the customer, even if the product is out of warranty.

Should the equipment be abused or modified to change its performance beyond the original factory specifications, the warranty will become void and field improvements may be denied. Setting fuel

delivery above specifications or otherwise overpowering machines will result in such action. Moreover, when replacement parts are required, be sure to use genuine Hitachi parts. Failure to do so may result in voiding the warranty and/or denial of field improvements.

Only qualified, experienced operators officially licensed (according to local law) should be allowed to operate the machine. Moreover, only officially licensed personnel should be allowed to inspect/service the machine.

The Yellow Pages in this operator’s manual contain IMPORTANT SAFETY INFORMATION. Read these pages thoroughly and familiarize yourself with the safety standards and recommendations set forth in these yellow pages of the manual. Follow all safety instructions prior to and while operating the excavator.

Prior to operating this machine, it may be necessary to make modifications to it so that it complies with the local standards (including safety standards) and requirements of your country. Please do not operate this machine until such comliance has been confirmed. Please contact Hitachi Construction Machinery Co., Ltd. or any of our authorized concerning compliance.

All information, illustrations and specifications in this manual are based on the latest product information available at the time of publication. The right is reserved to make changes at any time without notice.

Page 3

MACHINE NUMBERS

MACHINE TYPE AND SERIAL NUMBER

TYPE:

PRODUCT IDENTIFICATION NUMBER:

PRODUCT IDENTIFICATION NUMBER

PRODUCT IDENTIFICATION NUMBER:

NOTE:

∗18CP000101∗

PRODUCT IDENTIFICATION NUMBER (PIN)

ENGINE TYPE AND SERIAL NUMBER

TYPE:

MFG. NO.:

TRAVEL MOTOR TYPE AND SERIAL NUMBER

TYPE:

MFG. NO.:

M18C-01-001

M18C-01-002

M144-12-002

Marks to indicate the start and end of the PIN

Page 4

MACHINE NUMBERS

SWING MOTOR TYPE AND SERIAL NUMBER

TYPE:

MFG. NO.:

HYDRAULIC PUMP TYPE AND SERIAL NUMBER

TYPE:

MFG. NO.:

FRONT TYPE AND SERIAL NUMBER (Loading Shovel)

TYPE:

MFG. NO.:

BUCKET TYPE AND SERIAL NUMBER (Loading Shovel)

TYPE:

MFG. NO.:

M18C-01-003

M18C-01-004

M117-12-001

M117-12-003

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MACHINE NUMBERS

FRONT TYPE AND SERIAL NUMBER (Backhoe Boom)

TYPE:

MFG. NO.:

FRONT TYPE AND SERIAL NUMBER (Backhoe Arm)

TYPE:

MFG. NO.:

BUCKET TYPE AND SERIAL NUMBER (Backhoe)

TYPE:

MFG. NO.:

M18C-01-033

M18C-01-005

M146-01-020

Page 6

CONTENTS

MACHINE NUMBERS

SAFETY

Recognize Safety Information............................. S-1

Understand Signal Words................................... S-1

Follow Safety Instructions ................................... S-2

Prepare for Emergencies .................................... S-2

Wear Protective Clothing .................................... S-3

Protect Against Noise ......................................... S-3

Inspect Machine.................................................. S-3

General Precautions for Cab ............................. S-4

Use Handholds and Steps .................................. S-5

Adjust the Operator’s Seat.................................. S-5

Fasten Your Seat Belt......................................... S-6

Move and Operate Machine Safely..................... S-6

Handle Starting Aids Safely ................................ S-6

Operate Only from Operator’s Seat .................... S-7

Jump Starting...................................................... S-7

Keep Riders Off Machine.................................... S-7

Investigate Job Site Beforehand ......................... S-8

Protect Against Falling Stones and Debris ......... S-8

Provide Signals for Jobs Involving Multiple

Numbers of Machines................................... S-9

Confirm Direction of Machine to be Driven ......... S-9

Drive Machine Safely ........................................ S-10

Avoid Injury from Rollaway Accidents ............... S-11

Avoid Injury from Back-Over

and Swing Accidents................................... S-12

Keep Person Clear from W orking Area ............ S-13

Never Position Bucket Over Anyone................. S-13

Avoid Undercutting............................................ S-13

Avoid Tipping .................................................... S-14

Never Undercut a High Bank ............................ S-14

Dig with Caution................................................ S-15

Operate with Caution ........................................ S-15

Avoid Power Lines ............................................ S-15

Object Handling ................................................ S-16

Protect Against Flying Debris............................ S-16

Park Machine Safely ......................................... S-17

Handle Fluids Safely − Avoid Fires ................... S-17

Practice Safe Maintenance ............................... S-18

Warn Others of Service Work........................... S-19

Support Machine Properly................................. S-19

Stay Clear of Moving Parts ............................... S-19

Prevent Parts from Flying ................................ S-20

Store Attachments Safely ................................. S-20

Prevent Burns ................................................... S-21

Replace Rubber Hoses Periodically.................. S-21

Avoid High-Pressure Fluids .............................. S-22

Prevent Fires..................................................... S-23

Evacuating in Case of Fire................................ S-24

Beware of Exhaust Fumes................................ S-24

Precautions for Welding and Grinding ............. S-25

Avoid Heating Near Pressurized Fluid Lines..... S-26

Avoid Applying Heat to Lines Containing

Flammable Fluids ........................................ S-26

Remove Paint Before Welding or Heating ........S-26

Prevent Battery Explosions ...............................S-27

Service Air Conditioning System Safely ............S-27

Handle Chemical Products Safely .....................S-28

Dispose of Waste Properly................................ S-28

SAFETY SIGNS ..................................

S-29

COMPONENTS NAME..........................

1-1

HANDLING LADDER/EMERGENCY ESCAPE DEVICE

Using Ladder ....................................................... 1-2

Operating Ladder on the Ground ........................ 1-3

Operating Ladder on the Upperstructure............. 1-3

Emergency Escape ............................................. 1-4

Emergency Exit ................................................... 1-5

Evacuating in Case of Fire .................................. 1-5

OPERATOR’S STATION

Cab Features....................................................... 1-7

Monitor Panel and Switch Panels (Left) .............. 1-8

Monitor Panel ...................................................... 1-9

Fuel Gauge.................................................. 1-10

Hydraulic Oil Temperature Gauge .............. 1-10

Coolant Temperature Gauge ...................... 1-10

Tachometer ................................................. 1-10

Alternator Indicator ...................................... 1-11

Pump Transmission Oil Pressure

Indicator (Warning) ............................... 1-11

Engine Oil Pressure Indicator (Warning) .... 1-11

Overheat Indicator (Warning)...................... 1-11

Hydraulic Oil Level Indicator(Warning)........ 1-12

Fuel Level Indicator ..................................... 1-12

Engine Oil Level Indicator ........................... 1-12

Download Indicator...................................... 1-12

Coolant Level Indicator................................ 1-13

Hydraulic Oil Level Indicator........................ 1-13

Travel Mode Indicator (Slow Speed) ........... 1-13

Auto Idle Indicator ....................................... 1-13

Engine Room Light Indicator ....................... 1-14

Entrance Light Indicator .............................. 1-14

Preheat Indicator ......................................... 1-14

Travel Mode Indicator (Fast Speed)............ 1-14

Coolant Level Indicator (Warning)............... 1-15

Auto-Lubrication Indicator ........................... 1-15

Engine Stop Indicator .................................. 1-15

Engine Warning Indicator ............................ 1-15

Engine Exhaust Gas Temperature

Indicator ................................................ 1-16

Air Cleaner Restriction Indicator.................. 1-16

Pump Contamination Indicator .................... 1-16

Stop Valve Indicator (Warning) ................... 1-17

Page 7

CONTENTS

Emergency Engine Stop Indicator ...............1-17

Ladder Position Indicator .............................1-17

Switch Panel .....................................................1-18

Wiper Switch................................................1-19

Wiper Delay Selector Switch .......................1-19

Washer Switch.............................................1-19

Air Conditioners .................................................1-20

Cooling.........................................................1-22

Heating.........................................................1-22

Dehumidifying and Heating..........................1-23

Defrosting ....................................................1-24

Blower Operation without Cooling

or Heating ..............................................1-25

Ventilation the Cab.......................................1-25

Indicator Light Check Switch..............................1-26

Level Check Switch .....................................1-27

Buzzer Stop Switch......................................1-28

Dimmer Switch.............................................1-29

Engine Speed Control Lever ..............................1-29

Work Light Switch ..............................................1-30

Dome Light Switch.......................................1-31

Engine Room Light Switch........................... 1-32

Entrance Light Switch ..................................1-33

Travel Speed Switch ....................................1-34

Auto-Idle Switch...........................................1-34

Switch Panel (Right)...........................................1-35

Emergency Engine Stop Switch...................1-35

Key Switch ...................................................1-35

Preheat Switch.............................................1-36

Engine Troubleshooting Switch .........................1-37

Hour Meter .........................................................1-38

Horn Switch........................................................1-38

FM/AM Radio Operation ....................................1-39

Digital Clock Setting Procedure .........................1-40

Operator’s Seat Adjustment...............................1-41

Seat Belt.............................................................1-43

Cab Door Release Button ..................................1-44

Opening Cab Left Window.................................1-44

BREAK-IN

Observe Machine Closely ....................................2-1

Every 10 Hours or Each Shift...............................2-1

After the First 50 Hours........................................2-2

OPERATING THE ENGINE

Inspect Machine Daily Before Starting.................3-1

Check Instruments Before Starting .....................3-2

Level Check .........................................................3-3

Starting the Engine...............................................3-4

Starting in Cold Weather......................................3-5

Check Instruments After Starting......................... 3-7

Using Booster Batteries .......................................3-8

Stopping the Engine...........................................3-10

Emergency Engine Stop Switch.........................3-11

Engine Stoop Switches ......................................3-12

DRIVING THE MACHINE

Drive the Machine Carefully ................................ 4-1

Steering the Machine Using Pedals .................... 4-2

Steering the Machine Using Levers..................... 4-3

Travel Speed Switch............................................ 4-4

Travel Alarm ........................................................ 4-5

Traveling.............................................................. 4-6

Operating on Soft Ground ................................... 4-7

Raise One Track Using Boom and Arm .............. 4-7

Towing Machine a Short Distance....................... 4-8

Operating in Water or Mud .................................. 4-9

Precautions for Traveling on Slopes ................. 4-10

Parking the Machine on Slopes......................... 4-11

Parking the Machine.......................................... 4-11

OPERATING THE MACHINE

Control Lever (HITACHI Pattern Backhoe) ........ 5-1

Control Lever (ISO Pattern Backhoe) ................. 5-2

Control Lever (HITACHI Pattern

Loading Shovel) ........................................... 5-3

Control Lever (ISO Pattern Loading Shovel) ...... 5-4

Bucket Open-Close Pedals (Loading Shovel) ..... 5-5

Pilot Control Shut-Off Lever ................................ 5-6

Warming-Up Operation ....................................... 5-7

Warming-Up the Motor and

the Cylinders ................................................. 5-8

Auto-Idle .............................................................. 5-9

Engine Speed Control ....................................... 5-10

Precautions for Operations................................ 5-11

Operate the Machine Safely .............................. 5-12

Operating Backhoe............................................ 5-13

Grading Operation ............................................. 5-13

Avoid Abusive Operation ................................... 5-14

Operating Tips ................................................... 5-15

Avoid Swinging Bucket to Move Objects ........... 5-15

Loading Shovel Operation ................................. 5-16

Prohibited Operation.......................................... 5-16

Object Handling --- If Equipped ......................... 5-19

Overnight Storage Instructions .......................... 5-20

MAINTENANCE

Correct Maintenance

and Inspection Procedures ........................... 7-1

Service Your Machine at Specified

Intervals......................................................... 7-2

Check the Hour Meter Regularly ......................... 7-2

Use Correct Fuels and Lubricants ....................... 7-2

Prepare Machine for Maintenance ...................... 7-3

Open Access Doors for Service .......................... 7-5

Inspection/Maintenance Lights ............................ 7-6

Use a Chain to Prevent Falling Accidents ........... 7-7

Construction Outline ............................................ 7-9

Hydraulic System............................................... 7-10

Periodic Replacement of Rubber Hoses ........... 7-13

Maintenance Interval Guide............................... 7-17

A. Greasing ..................................................... 7-21

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CONTENTS

Loading Shovel Front Joint Pins ..................7-22

Backhoe Front Joint Pins .............................7-25

Swing Bearing..............................................7-28

Swing Internal Gear .....................................7-29

Center Joint .................................................7-30

Operating the Lubricator ..............................7-31

B. Engine..........................................................7-33

Engine Oil Level........................................... 7-34

Change Engine Oil.......................................7-35

Replace Engine Oil Filters ...........................7-35

Check Alternator Belt Tension .....................7-36

Check Injection Nozzle ................................7-37

Inspect Bolts and Nuts Outside Engine .......7-37

Inspect and Adjust Valve Clearance ............7-37

Check Fuel Injection Timing ........................7-37

Check Starter and Alternator .......................7-37

Check Turbocharger ....................................7-37

C. Transmission ..............................................7-38

Pump Transmission.....................................7-39

Swing Reduction Gear .................................7-42

Travel Reduction Gear.................................7-44

D. Hydraulic System .........................................7-46

Inspection and Maintenance

of Hydraulic Equipment................................7-47

Check Hydraulic Oil Level............................7-49

Drain Hydraulic Oil Tank Sump ...................7-50

Change Hydraulic Oil...................................7-51

Replace Full-Flow Filter and Drain Filter......7-54

Replace Pilot Oil Filter .................................7-56

Suction Filter ...............................................7-58

Replace High-Pressure Strainer ..................7-60

Clean Oil Cooler Core..................................7-61

Check Hoses and Lines...............................7-62

Service Recommendations for

Hydraulic Fittings ...................................7-65

E. Fuel System.................................................7-67

Refueling......................................................7-67

Drain Fuel Tank Sump.................................7-69

Water Separator Filter .................................7-69

Replace Fuel Filter.......................................7-70

Check Fuel Hoses .......................................7-72

F. Air Cleaner ...................................................7-74

Clean Air Cleaner Outer Element ................7-74

Replace Air Cleaner Outer

and Inner Elements ...............................7-74

G. Cooling System............................................7-76

Check Coolant Level....................................7-78

Clean Radiator Core ....................................7-80

Clean Intercooler Core.................................7-80

H. Air Conditioner .............................................7-81

Recirculation Air Filter..................................7-81

Ventilation Air Filter......................................7-82

Check Refrigerant Quantity .........................7-83

Check Compressor Belt Tension.................7-84

Clean Condenser Core ................................7-85

Check Tightening Torque ............................7-86

Seasonal Maintenance................................ 7-87

I. Electrical System ........................................ 7-88

Batteries ...................................................... 7-88

Replace Batteries ........................................ 7-91

Replacing Fuses.......................................... 7-92

Power Source Terminal............................... 7-94

Fusible Link ................................................. 7-95

Check Electrical Cables and

Wire Harnesses for Short Circuits ........ 7-96

Check Emergency Engine Stop Switch....... 7-98

J. Miscellaneous ............................................. 7-99

Check Bucket Teeth .................................. 7-100

Inspect Emergency Evacuation

Equipment and Hanger ....................... 7-104

Auto-Lubrication System ........................... 7-105

Check and Replace Seat Belt ................... 7-109

Check Windshield Washer Fluid Lever..... 7-109

Check and Adjust Track Sag .................... 7-110

Check Accumulator and Track

Adjuster Cylinder Circuit...................... 7-112

Check Side Frame Area ............................ 7-112

Check Tightening Torque of Bolts

and Nuts.............................................. 7-113

MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS

Maintenance Under Special

Environmental Conditions ............................. 9-1

STORAGE

Storing the Machine........................................... 10-1

Removing the Machine from Storage ................ 10-2

TROUBLESHOOTING

Engine Troubleshooting..................................... 11-1

Engine .............................................................. 11-3

Electrical System ............................................... 11-7

Control Levers ................................................. 11-10

Hydraulic System............................................. 11-10

Auto-Idle .......................................................... 11-13

SPECIFICATIONS

Specifications ................................................... 12-1

Working Range (Loading Shovel) ..................... 12-2

Working Range (Backhoe) ................................ 12-3

INDEX

............................................................. 14-1

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SAFETY

S-1

RECOGNIZE SAFETY INFORMATION

•

These are the SAFETY ALERT SYMBOLS.

• When you see these symbols on your machine or in this manual, be alert to the potential for personal injury.

• Follow recommended precautions and safe operating practices.

001-E01A-0001

SA-688

UNDERSTAND SIGNAL WORDS

•

On machine safety signs, signal words designating the degree or level of hazard - DANGER, WARNING, or CAUTION - are used with the safety alert symbol.

• DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

• WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

• CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.

• DANGER or WARNING safety signs are located near specific hazards. General precautions are listed on CAUTION safety signs.

• Some safety signs don’t use any of the designated signal words above after the safety alert symbol are occasionally used on this machine.

•

CAUTION also calls attention to safety messages in this manual.

•

To avoid confusing machine protection with personal safety messages, a signal word IMPORTANT indicates a situation which, if not avoided, could result in damage to the machine.

•

NOTE indicates an additional explanation for an

element of information.

002-E01A-1223

SA-1223

Page 10

SAFETY

S-2

FOLLOW SAFETY INSTRUCTIONS

•

Carefully read and follow all safety signs on the machine and all safety messages in this manual.

•

Safety signs should be installed, maintained and replaced when necessary.

• If a safety sign or this manual is damaged or missing, order a replacement from your authorized dealer in the same way you order other replacement parts (be sure to state machine model and serial number when ordering).

•

Learn how to operate the machine and its controls correctly and safely.

•

Allow only trained, qualified, authorized personnel to operate the machine.

•

Keep your machine in proper working condition.

• Unauthorized modifications of the machine may impair its function and/or safety and affect machine life.

•

The safety messages in this SAFETY chapter are intended to illustrate basic safety procedures of machines. However it is impossible for these safety messages to cover every hazardous situation you may encounter. If you have any questions, you should first consult your supervisor and/or your authorized dealer before operating or performing maintenance work on the machine.

003-E01B-0003

SA-003

PREPARE FOR EMERGENCIES

•

Be prepared if a fire starts or if an accident occurs.

• Keep a first aid kit and fire extinguisher on hand.

• Thoroughly read and understand the label attached on

the fire extinguisher to use it properly.

• To ensure that a fire-extinguisher can be always used when necessary, check and service the fireextinguisher at the recommended intervals as specified in the fire-extinguisher manual.

• Establish emergency procedure guidelines to cope with fires and accidents.

• Keep emergency numbers for doctors, ambulance service, hospital, and fire department posted near your telephone.

004-E01A-0437

SA-437

Page 11

SAFETY

S-3

WEAR PROTECTIVE CLOTHING

•

Wear close fitting clothing and safety equipment appropriate to the job.

You may need:

A hard hat Safety shoes Safety glasses, goggles, or face shield Heavy gloves Hearing protection Reflective clothing Wet weather gear Respirator or filter mask.

Be sure to wear the correct equipment and clothing for the job. Do not take any chances.

• Avoid wearing loose clothing, jewelry, or other items that can catch on control levers or other parts of the machine.

•

Operating equipment safely requires the full attention of the operator. Do not wear radio or music headphones while operating the machine.

005-E01A-0438

SA-438

PROTECT AGAINST NOISE

•

Prolonged exposure to loud noise can cause impairment or loss of hearing.

• Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortably loud noises.

006-E01A-0434

SA-434

INSPECT MACHINE

•

Inspect your machine carefully each day or shift by walking around it before you start it to avoid personal injury.

• In the walk-around inspection, be sure to cover all points described in the “PRE-START INSPECTION” chapter in the operator’s manual.

007-E01A-0435

SA-435

Page 12

SAFETY

S-4

GENERAL PRECAUTIONS FOR CAB

• Before entering the cab, thoroughly remove all dirt and/or oil from the soles of your work boots. If any controls such as a pedal is operated while with dirt and/or oil on the soles of the operator’s work boots the operator’s foot may slip off the pedal, possibly resulting in a personal accident.

• Don’t leave parts and/or tools lying around the operator’s seat. Store them in their specified locations.

• Avoid storing transparent bottles in the cab. Don’t attach any transparent type window decorations on the windowpanes as they may focus sunlight, possibly starting a fire.

• Refrain from listening to the radio, or using music headphones or mobile telephones in the cab while operating the machine.

• Keep all flammable objects and/or explosives away from the machine.

• After using the ashtray, always cover it to extinguish the match and/or tobacco.

• Don’t leave cigarette lighters in the cab. When the temperature in the cab increases, the lighter may explode.

524-E01A-0000

Page 13

SAFETY

S-5

USE HANDHOLDS AND STEPS

•

Falling is one of the major causes of personal injury.

• When you get on and off the machine, always face the machine and maintain a three-point contact with the steps and handrails.

• Do not use any controls as handholds.

• Never jump on or off the machine. Never mount or

dismount a moving machine.

• Be careful of slippery conditions on platforms, steps, and handrails when leaving the machine.

008-E01A-0439

SA-439

ADJUST THE OPERATOR’S SEAT

•

A poorly adjusted seat for either the operator or for the work at hand may quickly fatigue the operator leading to misoperations.

• The seat should be adjusted whenever changing the operator for the machine.

• The operator should be able to fully depress the pedals and to correctly operate the control levers with his back against the seat back.

• If not, move the seat forward or backward, and check again.

009-E01A-0378

SA-378

Page 14

SAFETY

S-6

FASTEN YOUR SEAT BELT

•

If the machine should overturn, the operator may become injured and/or thrown from the cab. Additionally the operator may be crushed by the overturning machine, resulting in serious injury or death.

• Prior to operating the machine, thoroughly examine webbing, buckle and attaching hardware. If any item is damaged or worn, replace the seat belt or component before operating the machine.

• Be sure to remain seated with the seat belt securely fastened at all times when the machine is in operation to minimize the chance of injury from an accident.

• We recommend that the seat belt be replaced every three years regardless of its apparent condition.

010-E01A-0237

SA-237

MOVE AND OPERATE MACHINE SAFELY

•

Bystanders can be run over.

• Take extra care not to run over bystanders. Confirm the location of bystanders before moving, swinging, or operating the machine.

• Always keep the travel alarm and horn in working condition (if equipped). It warns people when the machine starts to move.

• Use a signal person when moving, swinging, or operating the machine in congested areas. Coordinate hand signals before starting the machine.

011-E01A-0426

SA-426

HANDLE STARTING AIDS SAFELY

Starting fluid:

•

Starting fluid is highly flammable.

• Keep all sparks and flame away when using it.

• Keep starting fluid well away from batteries and ca-

bles.

• Remove container from machine if engine does not need starting fluid.

• To prevent accidental discharge when storing a pressurized container, keep the cap on the container, and store it in a cool, well-protected location.

• Do not incinerate or puncture a starting fluid container.

036-E01A-0293-3

SA-293

Page 15

SAFETY

S-7

OPERATE ONLY FROM OPERATOR’S SEAT

•

Inappropriate engine starting procedures may cause the machine to runaway, possibly resulting in serious injury or death.

• Start the engine only from the operator’s seat.

• NEVER start the engine while standing on the track or

on ground.

• Do not start engine by shorting across starter terminals.

• Before starting the engine, confirm that all control levers are in neutral.

012-E01B-0444

SA-444

JUMP STARTING

•

Battery gas can explode, resulting in serious injury.

• If the engine must be jump started, be sure to follow the instructions shown in the “OPERATING THE ENGINE” chapter.

• The operator must be in the operator’s seat so that the machine will be under control when the engine starts. Jump starting is a two-person operation.

• Never use a frozen battery.

• Failure to follow correct jump starting procedures

could result in a battery explosion or a runaway machine.

S013-E01A-0032

SA-032

KEEP RIDERS OFF MACHINE

•

Riders on machine are subject to injury such as being struck by foreign objects and being thrown off the machine.

• Only allow the operator on the machine. Keep riders off.

• Riders also obstruct the operator’s view, resulting in the machine being operated in an unsafe manner.

014-E01B-0379

SA-379

Page 16

SAFETY

S-8

INVESTIGATE JOB SITE BEFOREHAND

•

When working at the edge of an excavation or on a road shoulder, the machine could tip over, possibly resulting in serious injury or death.

• Investigate the configuration and ground conditions of the job site beforehand to prevent the machine from falling and to prevent the ground, stockpiles, or banks from collapsing.

• Make a work plan. Use machines appropriate to the work and job site.

• Reinforce ground, edges, and road shoulders as necessary. Keep the machine well back from the edges of excavations and road shoulders.

• When working on an incline or on a road shoulder, employ a signal person as required.

• Confirm that your machine is equipped a FOPS cab before working in areas where the possibility of falling stones or debris exist.

• When the footing is weak, reinforce the ground before starting work.

• When working on frozen ground, be extremely alert. As ambient temperatures rise, footing becomes loose and slippery.

• Beware the possibility of fire when operating the machine near flammable objects such as dry grass.

015-E01A-0380

SA-380

PROTECT AGAINST FALLING STONES AND DEBRIS

• Confirm that your machine is FOPS cab equipped before working in areas where the possibility of falling stones or debris exist.

015-E01A-0380

SA-490

Page 17

SAFETY

S-9

PROVIDE SIGNALS FOR JOBS INVOLVING MULTIPLE NUMBERS OF MACHINES

•

For jobs involving multiple numbers of machines, provide signals commonly known by all personnel involved. Also, appoint a signal person to coordinate the job site. Make sure that all personnel obey the signal person’s directions.

018-E01A-0481

SA-481

CONFIRM DIRECTION OF MACHINE TO BE DRIVEN

•

Incorrect travel pedal/lever operation may result in serious injury death.

• Before driving the machine, confirm the position of the undercarriage in relation to the operator’s position. If the travel motors are located in front of the cab, the machine will move in reverse when travel pedals/levers are operated to the front.

017-E01A-0491

SA-491

Page 18

SAFETY

S-10

DRIVE MACHINE SAFELY

•

Before driving the machine, always confirm that the travel levers/pedals direction corresponds to the direction you wish to drive.

• Be sure to detour around any obstructions.

• Avoid traveling over obstructions. Soil, fragments of

rocks, and/or metal pieces may scatter around the machine. Don’t allow personnel to stay around the machine while traveling.

•

Driving on a slope may cause the machine to slip or overturn, possibly resulting in serious injury or death.

• When driving up or down a slope, keep the bucket facing the direction of travel, approximately 0.5 to 1.0 m (approximately 1'8" to 3'3") (A) above the ground.

• If the machine starts to skid or becomes unstable, immediately lower the bucket to the ground and stop.

• Driving across the face of a slope or steering on a slope may cause the machine to skid or turnover. If the direction must be changed, move the machine to level ground, then, change the direction to ensure sage operation.

019-E01C-0492

SA-387

SA-388

SA-441

SA-589

Page 19

SAFETY

S-11

AVOID INJURY FROM ROLLAWAY ACCIDENTS

•

Death or serious injury may result if you attempt to mount or stop a moving machine.

To avoid rollaways:

• Select level ground when possible to park machine.

• Do not park the machine on a grade.

• Lower the bucket and/or other work tools to the

ground.

• Turn the auto-idle switch off.

• Run the engine at slow idle speed without load for 5

minutes to cool down the engine.

• Stop the engine and remove the key from the key switch.

• Pull the pilot control shut-off lever to LOCK position.

• Block both tracks and lower the bucket to the ground.

Thrust the bucket teeth into the ground if you must park on a grade.

• Position the machine to prevent rolling.

• Park a reasonable distance from other machines.

020-E02A-0493

SA-391

SA-392

Page 20

SAFETY

S-12

AVOID INJURY FROM BACK-OVER AND SWING ACCIDENTS

•

If any person is present near the machine when backing or swinging the upperstructure, the machine may hit or run over that person, resulting in serious injury or death.

To avoid back-over and swing accidents:

• Always look around BEFORE YOU BACK UP AND SWING THE MACHINE. BE SURE THAT ALL BYSTANDERS ARE CLEAR.

• Keep the travel alarm in working condition (if equipped). ALWAYS BE ALERT FOR BYSTANDERS MOVING INTO THE WORK AREA. USE THE HORN OR OTHER SIGNAL TO WARN BYSTANDERS BEFORE MOVING MACHINE.

• USE A SIGNAL PERSON W HEN BACKING UP IF YOUR VIEW IS OBSTRUCTED. ALWAYS KEEP THE SIGNAL PERSON IN VIEW. Use hand signals, which conform to your local regulations, when work conditions require a signal person.

• No machine motions shall be made unless signals are clearly understood by both signalman and operator.

• Learn the meanings of all flags, signs, and markings used on the job and confirm who has the responsibility for signaling.

• Keep windows, mirrors, and lights clean and in good condition.

• Dust, heavy rain, fog, etc., can reduce visibility. As visibility decreases, reduce speed and use proper lighting.

• Read and understand all operating instructions in the operator’s manual.

021-E01A-0494

SA-383

SA-384

Page 21

SAFETY

S-13

KEEP PERSON CLEAR FROM WORKING AREA

•

A person may be hit severely by the swinging front attachment or counterweight and/or may be crushed against an other object, resulting in serious injury or death.

• Keep all persons clear from the area of operation and machine movement.

• Before operating the machine, set up barriers to the sides and rear area of the bucket swing radius to prevent anyone from entering the work area.

022-E01A-0386

SA-386

NEVER POSITION BUCKET OVER ANYONE

•

Never lift, move, or swing bucket above anyone or a truck cab. Serious injury or machine damage may result due to bucket load spill or due to collision with the bucket.

023-E01A-0487

SA-487

AVOID UNDERCUTTING

•

In order to retreat from the edge of an excavation if the footing should collapse, always position the undercarriage perpendicular to the edge of the excavation with the travel motors at the rear.

• If the footing starts to collapse and if retreat is not possible, do not panic. Often, the machine can be secured by lowering the front attachment, in such cases.

024-E01A-0488

SA-488

Page 22

SAFETY

S-14

AVOID TIPPING

DO NOT ATTEMPT TO JUMP CLEAR OF TIPPING MACHINE --- SERIOUS OR FATAL CRUSHING INJURIES WILL RESULT

MACHINE WILL TIP OVER FASTER THAN YOU CAN JUMP FREE

FASTEN YOUR SEAT BELT

•

The danger of tipping is always present when operating on a grade, possibly resulting in serious injury or death.

To avoid tipping:

•

Be extra careful before operating on a grade.

• Prepare machine operating area flat.

• Keep the bucket low to the ground and close to the

machine.

• Reduce operating speeds to avoid tipping or slipping.

• Avoid changing direction when traveling on grades.

• NEVER attempt to travel across a grade steeper than

15 degrees if crossing the grade is unavoidable.

• Reduce swing speed as necessary when swinging loads.

•

Be careful when working on frozen ground.

• Temperature increases will cause the ground to become soft and make ground travel unstable.

025-E01B-0495

SA-012

SA-440

NEVER UNDERCUT A HIGH BANK

•

The edges could collapse or a land slide could occur causing serious injury or death.

026-E01A-0489

SA-489

Page 23

SAFETY

S-15

DIG WITH CAUTION

•

Accidental severing of underground cables or gas lines may cause an explosion and/or fire, possibly resulting in serious injury or death.

• Before digging check the location of cables, gas lines, and water lines.

• Keep the minimum distance required, by law, from cables, gas lines, and water lines.

• If a fiber optic cable should be accidentally severed, do not look into the end. Doing so may result in serious eye injury.

• Contact your local “diggers hot line” if available in your area , and/or the utility companies directly. Have them mark all underground utilities.

027-E01A-0382

SA-382

OPERATE WITH CAUTION

•

If the front attachment or any other part of the machine hits against an overhead obstacle, such as a bridge, both the machine and the overhead obstacle will be damaged, and personal injury may result as well.

• Take care to avoid hitting overhead obstacles with the boom or arm.

028-E01A-0389

SA-389

AVOID POWER LINES

•

Serious injury or death can result if the machine or front attachments are not kept a safe distance from electric lines.

• When operating near an electric line, NEVER move any part of the machine or load closer than 3 m plus twice the line insulator length.

• Check and comply with any local regulations that may apply.

• Wet ground will expand the area that could cause any person on it to be affected by electric shock. Keep all bystanders or co-workers away from the site.

029-E01A-0381

SA-381

Page 24

SAFETY

S-16

OBJECT HANDLING

•

If a lifted load should fall, any person nearby may be struck by the falling load or may be crushed underneath it, resulting in serious injury or death.

• When using the machine for craning operations, be sure to comply with all local regulations.

• Do not use damaged chains or frayed cables, sables, slings, or ropes.

• Before craning, position the upperstructure with the travel motors at the rear.

• Move the load slowly and carefully. Never move it suddenly.

• Keep all persons will away from the load.

• Never move a load over a person’s head.

• Do not allow anyone to approach the load until it is

safely and securely situated on supporting blocks or on the ground.

• Never attach a sling or chain to the bucket teeth. They may come off, causing the load to fall.

030-E01A-0014

SA-014

PROTECT AGAINST FLYING DEBRIS

•

If flying debris hit eyes or any other part of the body, serious injury may result.

• Guard against injury from flying pieces of metal or debris; wear goggles or safety glasses.

• Keep bystanders away from the working area before striking any object.

031-E01A-0432

SA-432

Page 25

SAFETY

S-17

PARK MACHINE SAFELY

To avoid accidents:

• Park machine on a level surface.

• Lower bucket to the ground.

• Turn auto-idle switch and H/P mode switch off.

• Run engine at slow idle speed without load for 5 min-

utes.

• Turn key switch to OFF to stop engine.

• Remove the key from the key switch.

• Pull the pilot control shut-off lever to the LOCK posi-

tion.

• Close windows, roof vent, and cab door.

• Lock all access doors and compartments.

033-E08B-0390

SA-390

HANDLE FLUIDS SAFELY－－－－AVOID FIRES

•

Handle fuel with care; it is highly flammable. If fuel ignites, an explosion and/or a fire may occur, possibly resulting in serious injury or death.

• Do not refuel the machine while smoking or when near open flame or sparks.

• Always stop the engine before refueling the machine.

• Fill the fuel tank outdoors.

•

All fuels, most lubricants, and some coolants are flammable.

• Store flammable fluids well away from fire hazards.

• Do not incinerate or puncture pressurized containers.

• Do not store oily rags; they can ignite and burn spon-

taneously.

• Securely tighten the fuel and oil filler cap.

034-E01A-0496

SA-018

SA-019

Page 26

SAFETY

S-18

PRACTICE SAFE MAINTENANCE

To avoid accidents:

• Understand service procedures before doing work.

• Keep the work area clean and dry.

• Do not spray water or steam inside cab.

• Never lubricate or service the machine while it is mov-

ing.

• Keep hands, feet and clothing away from power-driven parts.

Before servicing the machine:

1. Park the machine on a level surface.

2. Lower the bucket to the ground.

3. Turn the auto-idle switch off.

4. Run the engine at slow idle speed without load for 5

minutes.

5. Turn the key switch to OFF to stop engine.

6. Relieve the pressure in the hydraulic system by mov-

ing the control levers several times.

7. Remove the key from the switch.

8. Attach a “Do Not Operate” tag on the control lever.

9. Pull the pilot control shut-off lever to the LOCK posi-

tion.

10. Allow the engine to cool.

• If a maintenance procedure must be performed with the engine running, do not leave machine unattended.

• If the machine must be raised, maintain a 90 to 110° angle between the boom and arm. Securely support any machine elements that must be raised for service work.

• Never work under a machine raised by the boom.

• Inspect certain parts periodically and repair or replace

as necessary. Refer to the section discussing that part in the “MAINTENANCE” chapter of this manual.

• Keep all parts in good condition and properly installed.

• Fix damage immediately. Replace worn or broken

parts. Remove any buildup of grease, oil, or debris.

• When cleaning parts, always use nonflammable detergent oil. Never use highly flammable oil such as fuel oil and gasoline to clean parts or surfaces.

• Disconnect battery ground cable (–) before making adjustments to electrical systems or before performing welding on the machine.

500-E02B-0497

SA-028

SA-527

Page 27

SAFETY

S-19

• Sufficiently illuminate the work site. Use a maintenance work light when working under or inside the machine.

• Always use a work light protected with a guard. In case the light bulb is broken, spilled fuel, oil, antifreeze fluid, or window washer fluid may catch fire.

SA-037

WARN OTHERS OF SERVICE WORK

•

Unexpected machine movement can cause serious injury.

• Before performing any work on the machine, attach a “Do Not Operate” tag on the control lever. This tag is available from your authorized dealer.

501-E01A-0287

SA-287

SUPPORT MACHINE PROPERLY

•

Never attempt to work on the machine without securing the machine first.

• Always lower the attachment to the ground before you work on the machine.

• If you must work on a lifted machine or attachment, securely support the machine or attachment. Do not support the machine on cinder blocks, hollow tires, or props that may crumble under continuous load. Do not work under a machine that is supported solely by a jack.

519-E01A-0527

SA-527

STAY CLEAR OF MOVING PARTS

•

Entanglement in moving parts can cause serious injury.

• To prevent accidents, care should be taken to ensure that hands, feet, clothing, jewelry and hair do not become entangled when working around rotating parts.

502-E01A-0026

SA-026

Page 28

SAFETY

S-20

PREVENT PARTS FROM FLYING

•

Grease in the track adjuster is under high pressure. Failure to follow the precautions below may result in serious injury, blindness, or death.

• Do not attempt to remove GREASE FITTING or VALVE ASSEMBLY.

• As pieces may fly off, be sure to keep body and face away from valve.

•

Travel reduction gears are under pressure.

• As pieces may fly off, be sure to keep body and face away from AIR RELEASE PLUG to avoid injury. GEAR OIL is hot.

• Wait for GEAR OIL to cool, then gradually loosen AIR RELEASE PLUG to release pressure.

503-E01B-0344

SA-344

STORE ATTACHMENTS SAFELY

•

Stored attachments such as buckets, hydraulic hammers, and blades can fall and cause serious injury or death.

• Securely store attachments and implements to prevent falling. Keep children and bystanders away from storage areas.

504-E01A-0034

SA-034

Page 29

SAFETY

S-21

PREVENT BURNS

Hot spraying fluids:

•

After operation, engine coolant is hot and under pressure. Hot water or steam is contained in the engine, radiator and heater lines. Skin contact with escaping hot water or steam can cause severe burns.

• To avoid possible injury from hot spraying water. DO NOT remove the radiator cap until the engine is cool. When opening, turn the cap slowly to the stop. Allow all pressure to be released before removing the cap.

• The hydraulic oil tank is pressurized. Again, be sure to release all pressure before removing the cap.

Hot fluids and surfaces:

•

Engine oil, gear oil and hydraulic oil also become hot during operation. The engine, hoses, lines and other parts become hot as well.

• Wait for the oil and components to cool before starting any maintenance or inspection work.

505-E01B-0498

SA-039

SA-225

REPLACE RUBBER HOSES PERIODICALLY

•

Rubber hoses that contain flammable fluids under pressure may break due to aging, fatigue, and abrasion. It is very difficult to gauge the extent of deterioration due to aging, fatigue, and abrasion of rubber hoses by inspection alone.

• Periodically replace the rubber hoses. (See the page of “Periodic replacement of parts” in the operator’s manual).

•

Failure to periodically replace rubber hoses may cause a fire, fluid injection into skin, or the front attachment to fall on a person nearby, which may result in severe burns, gangrene, or otherwise serious injury or death.

S506-E01A-0019

SA-019

Page 30

SAFETY

S-22

AVOID HIGH-PRESSURE FLUIDS

•

Fluids such as diesel fuel or hydraulic oil under pressure can penetrate the skin or eyes causing serious injury, blindness or death.

• Avoid this hazard by relieving pressure before disconnecting hydraulic or other lines.

• Tighten all connections before applying pressure.

• Search for leaks with a piece of cardboard; take care

to protect hands and body from high-pressure fluids. Wear a face shield or goggles for eye protection.

• If an accident occurs, see a doctor familiar with this type of injury immediately. Any fluid injected into the skin must be surgically removed within a few hours or gangrene may result.

507-E03A-0499

SA-031

SA-292

SA-044

Page 31

SAFETY

S-23

PREVENT FIRES

Check for Oil Leaks:

•

Fuel, hydraulic oil and lubricant leaks can lead to fires.

• Check for oil leaks due to missing or loose clamps, kinked hoses, lines or hoses that rub against each other, damage to the oil-cooler, and loose oil-cooler flange bolts.

• Tighten, repair or replace any missing, loose or damaged clamps, lines, hoses, oil-cooler and oil-cooler flange bolts.

• Do not bend or strike high-pressure lines.

• Never install bent or damaged lines, pipes or hoses.

Check for Shorts:

•

Short circuits can cause fires.

• Clean and tighten all electrical connections.

• Check before each shift or after eight (8) to ten (10)

hours operation for loose, kinked, hardened or frayed electrical cables and wires.

• Check before each shift or after eight (8) to ten (10) hours operation for missing or damaged terminal caps.

• DO NOT OPERATE MACHINE if cable or wires are loose, kinked, etc..

Clean up Flammables:

•

Spilled fuel, oil, antifreeze fluid and window washer fluid, and trash, grease, debris, accumulated coal dust, and other flammables may cause fires.

• Prevent fires by inspecting and cleaning the machine daily, and by removing spilled or accumulated flammables immediately.

Check Key Switch:

•

If fire breaks out, failure to stop the engine will escalate

fire, hampering fire fighting. Always check key switch function before operating the machine every day:

1. Start the engine and run it at slow idle.

2. Turn the key switch to the OFF position to confirm that the engine stops.

• If any abnormalities are found, be sure to repair them

before operating the machine.

508-E02B-0019

SA-019

Page 32

SAFETY

S-24

Check Emergency Engine Stop Switch:

•

If a fire breaks out, failure to release pressurized air inside the hydraulic tank will escalate fire, hampering fire fighting.

• Check the emergency engine stop switch function

every 250 hours:

1) Start the engine and run it at slow Idle.

2) Turn the emergency engine stop switch to the EMERG. STOP position.

3) Confirm that both engines stop and that pressurized air inside the hydraulic oil tank is released (a hissing sound should be heard).

• If any abnormalities are found, be sure to repair them before operating the machine.

Check Heat Shields:

•

Damaged or missing heat shield may lead to fires.

• Damaged or missing heat shields must be repaired or replaced before operating the machine.

508-E02A-0393

EVACUATING IN CASE OF FIRE

•

If a fire breaks out, evacuate the machine in the following way:

• Stop the engine by turning the key switch to the OFF position if there is time.

• Use a fire extinguisher if there is time.

• Exit the machine.

•

In an emergency, if the cab door or front window can not be opened, break the front or rear window panes with the emergency evacuation hammer to escape from the cab. Refer the explanation pages on the Emergency Evacuation Method.

518-E02B-0393

SA-393

SS-1510

BEWARE OF EXHAUST FUMES

•

Prevent asphyxiation. Engine exhaust fumes can cause sickness or death.

• If you must operate in a building, be sure there is adequate ventilation. Either use an exhaust pipe extension to remove the exhaust fumes or open doors and windows to bring enough outside air into the area.

509-E01A-0016

SA-016

Page 33

SAFETY

S-25

PRECAUTIONS FOR WELDING AND GRINDING

•

Welding may generate gas and/or small fires.

• Be sure to perform welding in a well ventilated and prepared area. Store flammable objects in a safe place before starting welding.

• Only qualified personnel should perform welding. Never allow an unqualified person to perform welding.

•

Grinding on the machine may create fire hazards. Store flammable objects in a safe place before starting grinding.

•

After finishing welding and grinding, recheck that there are no abnormalities such as the area surrounding the welded area still smoldering.

523-E01A-0818

SA-818

Page 34

SAFETY

S-26

AVOID HEATING NEAR PRESSURIZED FLUID LINES

•

Flammable spray can be generated by heating near pressurized fluid lines, resulting in severe burns to yourself and bystanders.

• Do not heat by welding, soldering, or using a torch near pressurized fluid lines or other flammable materials.

• Pressurized lines can be accidentally cut when heat goes beyond the immediate flame area. Install temporary fire-resistant guards to protect hoses or other materials before engaging in welding, soldering, etc..

AVOID APPLYING HEAT TO LINES CONTAINING FLAMMABLE FLUIDS

• Do not weld or flame cut pipes or tubes that contain flammable fluids.

• Clean them thoroughly with nonflammable solvent before welding or flame cutting them.

510-E01B-0030

SA-030

REMOVE PAINT BEFORE WELDING OR HEATING

•

Hazardous fumes can be generated when paint is heated by welding, soldering, or using a torch. If inhaled, these fumes may cause sickness.

• Avoid potentially toxic fumes and dust.

• Do all such work outside or in a well-ventilated area.

Dispose of paint and solvent properly.

• Remove paint before welding or heating:

1. If you sand or grind paint, avoid breathing the dust.

Wear an approved respirator.

2. If you use solvent or paint stripper, remove stripper

with soap and water before welding. Remove solvent or paint stripper containers and other flammable material from area. Allow fumes to disperse at least 15 minutes before welding or heating.

511-E01A-0029

SA-029

Page 35

SAFETY

S-27

PREVENT BATTERY EXPLOSIONS

•

Battery gas can explode.

• Keep sparks, lighted matches, and flame away from the top of battery.

• Never check battery charge by placing a metal object across the posts. Use a voltmeter or hydrometer.

• Do not charge a frozen battery; it may explode. Warm the battery to 16 °C (60 °F) first.

• Do not continue to use or charge the battery when electrolyte level is lower than specified. Explosion of the battery may result.

• Loose terminals may produce sparks. Securely tighten all terminals.

•

Battery electrolyte is poisonous. If the battery should explode battery electrolyte may be splashed into eyes, possibly resulting in blindness.

• Be sure to wear eye protection when checking electrolyte specific gravity.

512-E01B-0032

SA-032

SERVICE AIR CONDITIONING SYSTEM SAFELY

•

If spilled onto skin, refrigerant may cause a cold contact burn.

• Refer to the freon container for proper use when servicing the air conditioning system.

• Use a recovery and recycling system to avoid venting freon into the atmosphere.

• Never let the freon stream make contact with the skin.

513-E01A-0405

SA-405

Page 36

SAFETY

S-28

HANDLE CHEMICAL PRODUCTS SAFELY

•

Direct exposure to hazardous chemicals can cause serious injury. Potentially hazardous chemicals used with your machine include such items as lubricants, coolants, paints, and adhesives.

• A Material Safety Data Sheet (MSDS) provides specific details on chemical products: physical and health hazards, safety procedures, and emergency response techniques.

• Check the MSDS before you start any job using a hazardous chemical. That way you will know exactly what the risks are and how to do the job safely. Then follow procedures and use recommended equipment.

• See your authorized dealer for MSDS’s (available only in English) on chemical products used with your machine.

515-E01A-0309

SA-309

DISPOSE OF WASTE PROPERLY

•

Improperly disposing of waste can threaten the environment and ecology. Potentially harmful waste used with HITACHI equipment includes such items as oil, fuel, coolant, brake fluid, filters, and batteries.

• Use leakproof containers when draining fluids. Do not use food or beverage containers that may mislead someone into drinking from them.

• Do not pour waste onto the ground, down a drain, or into any water source.

• Air conditioning refrigerants escaping into the air can damage the Earth’s atmosphere. Government regulations may require a certified air conditioning service center to recover and recycle used air conditioning refrigerants.

• Inquire on the proper way to recycle or dispose of waste from your local environmental or recycling center, or from your authorized dealer.

516-E01A-0226

SA-226

Page 37

SAFETY SIGNS

S-29

SS-411

SS-691

SS-442

M18C-01-006

SS-445

M144-07-107

Page 38

SAFETY SIGNS

S-30

SS-446

SS-723

SS3076117

SS-723

SS-410

SS-723

(

Loading Shovel

)

Page 39

SAFETY SIGNS

S-31

SS3091476

M146-01-035

Page 40

SAFETY SIGNS

S-32

SS-413

M18C-01-007

M18C-01-008

Page 41

SAFETY SIGNS

S-33

SS-449

M18C-01-010

SS4420336

•

Sign indicates a burn hazard from spurting hot water or oil if radiator or hydraulic tank is uncapped while hot. Allow radiator or hydraulic tank to cool before removing cap.

M18C-01-009

Page 42

SAFETY SIGNS

S-34

MEMO

.....................................................................................................................................................................................

Page 43

COMPONENTS NAME

1-1

COMPONENTS NAME

1- Bucket

2- Bucket Cylinder

3- Arm

4- Level Cylinder

5- Arm Cylinder

6- Boom Cylinder

7- Boom

8- Cab

9- Emergency Escape Device

Hanger

10- Emergency Escape Device

Case

11- Fuel Tank

12- Radiator·Intercooler

13- Counterweight

14- Travel Device

15- Ladder

16- Track Shoe

17- Link B

18- Link A

Loading Shovel

M18C-01-038

4 5

Backhoe

M18C-01-011

Page 44

HANDLING LADDER / EMERGENCY ESCAPE DEVICE

1-2

USING LADDER

Always use ladder (1) when getting on and off the machine. Do not attempt to climb onto or off the machine any other way.

CAUTION: Be sure to extend or retract ladder to locked position. When you get on and off the machine, always maintain a three point contact with the steps and handrails and face the machine. Never jump on or off the machine. Never mount or dismount a moving machine. Be careful of slippery conditions on platforms, steps, and handrails when leaving the machine.

Ladder extending/retracting speed can be changed by adjusting bolt (2).

Clockwise Turn: Faster Extending/Retracting

Speed

Counterclockwise Turn: Slower Extending/ Retracting

Speed

M18C-01-012

M117-01-003

Page 45

HANDLING LADDER / EMERGENCY ESCAPE DEVICE

1-3

OPERATING LADDER ON THE GROUND

Extending

1. Pull down chain (4) to release lock.

2. Pull down handle (3) to lower ladder (1) to locked po-

sition.

Retracting

1. Pull down chain (2) to release lock.

2. Push up ladder (1) to locked position.

OPERATING LADDER ON THE UPPERSTRUCTURE

CAUTION: Step back immediately after releasing ladder lock as spring force slides the ladder up quickly, potentially causing injury.

Extending

1. Pull up handle (5) to release lock.

2. Push down the ladder to locked position.

Retracting

1. Pull up handle (6) to release lock.

2. Pull up the ladder to locked position.

M18C-01-012

M18C-01-034

M117-01-001

M117-01-002

Page 46

HANDLING LADDER / EMERGENCY ESCAPE DEVICE

1-4

EMERGENCY ESCAPE

How to Use Emergency escape device is provided in case (1) at the left outside the cab.

1. Unlock latch (2) on case (1) to open the cover.

2. Hang hook (3) onto the cab upper-left surface hanger

(4).

3. Drop rope wound reel (5).

4. Fasten life belt (6) around your chest.

5. While holding two ropes, move to the outside fence

and face toward the cab (as long as the two ropes are held, emergency escape device will not operate.)

6. As soon as the ropes are released, your body is

slowly lowered. Descend while softly pushing the machine surface by hand to prevent the body from turning.

7. After landing, immediately take life belt (6) off and

evacuate to a safe place.

M146-07-005

M118-07-102

M118-07-104

M118-07-108

M118-07-109

Page 47

HANDLING LADDER / EMERGENCY ESCAPE DEVICE

1-5

EMERGENCY EXIT

If the operator’s cab door should not open in an emergency, escape in the following methods:

1. Open left window (1). Escape through the window.

CAUTION: Be sure to wear a safety glasses before breaking the window glass.

2. If left window (1) should be difficult to open, break the

left window glass using emergency evacuation tool (2). Then, escape through the broken window.

NOTE: The emergency exit decals are applied to the

left window, located near the front side on left console.

EVACUATING IN CASE OF FIRE

A fire on the machine can result in serious personal injury or death. Avoid the risk of injury or death while evacuating from the machine during a fire by checking the following regularly:

• Always check if left window (1) can be opened and closed smoothly before starting the engine. If it fails to open or close smoothly, repair the window. Left window (1) can be used as an emergency exit.

• Malfunction of emergency escape device (4) worn rope or broken hanger may cause falling accident when evacuating. Before operating the machine, be sure to check if emergency escape device (4) or hanger (3) is not damaged. If any abnormalities are found, replace with new parts.

• Before operating the machine for the first time, all new operators must practice evacuating with this rope at least once.

M146-01-023

M117-01-082

M146-01-023

M118-07-103

Page 48

HANDLING LADDER / EMERGENCY ESCAPE DEVICE

1-6

If a fire breaks out, evacuate the machine in the following way:

1. Stop the engines by turning emergency engine stop

switch (5) to the EMERG STOP position if there is time.

2. Pull the pilot control shut-off lever to the LOCK posi-

tion.

3. Use a fire extinguisher if there is time.

4. Exit the machine in the following manner, depending

on the location of the fire.

• If engine compartment sidewalk (7) is not on fire, evacuate from the machine to the ground through cab door (6), step (9), sidewalk (7) and lower ladder (8).

• If the engine compartment sidewalk (7) is on fire, first evacuate from cab (11) through cab door (6) to cab side platform (10). Then, get off the machine using emergency escape device (4). Emergency rope (3) is provided in the case located on the left outside wall of the cab. (see the “EMERGENCY ESCAPE DEVICE” chapter)

• If the fire is around cab door (6), evacuate the cab by opening left window (1), and stepping to platform (10). Then, get off the machine using the emergency escape device. If left window (1) cannot be opened, break the windowpane using emergency evacuation tool (2) to gain access to platform (10).

CAUTION: Avoid possible injury to your eyes. Wear a pair of safety glasses or goggles when breaking windowpane with emergency evacuation tool (2).

M146-01-023

M117-01-093

M18C-01-031

M118-07-109

M117-01-082

EMERG.STOP

Page 49

OPERATOR’S STATION

1-7

CAB FEATURES

1- Left Control Lever/Horn Switch

2- Bucket Close Pedal (For Loading Shovel)

3- Left Travel Pedal

4- Left Travel Lever

5- Right Travel Lever

6- Right Travel Pedal

7- Bucket Open Pedal (For Loading Shovel)

8- Right Control Lever

9- Pilot Control Shut-Off Lever

10- Switch Panels (Right)

11- Operator’s Seat

12- Monitor Panel and Switch Panels (Left)

13- Hour Meter

14- Glove Compartment

15- Trainer Seat

16- Fuse Box

M146-01-002

M144-01-033

M146-01-023

M146-07-048

1 2 3

4 5 6 7

Page 50

OPERATOR’S STATION

1-8

MONITOR PANEL AND SWITCH PANELS (LEFT)

M146-01-039

1- Monitor Panel

2- Switch Panel

3- FM/AM Radio

4- Ashtray

5- Engine Speed Control Lever

5 4

Page 51

OPERATOR’S STATION

1-9

MONITOR PANEL

1- Fuel Gauge

2- Hydraulic Oil Temperature Gauge

3- Coolant Temperature Gauge

4- Tachometer

5- Alternator Indicator

6- Pump Transmission Oil Pressure Indicator

(Warning)

7- Engine Oil Pressure Indicator (Warning)

8- Overheat Indicator (Warning)

9- Hydraulic Oil Level Indicator (Warning)

10- Fuel Level Indicator

11- Engine Oil Level Indicator

12- Download Indicator

13- Coolant Level Indicator

14- Hydraulic Oil Level Indicator

15- Travel Mode Indicator (Slow Speed)

16- Auto-Idle Indicator

17- Engine Room Light Indicator

18- Entrance Light Indicator

19- Preheat Indicator

20- Travel Mode Indicator (Fast Speed)

21- Coolant Level Indicator (Warning)

22- Auto-Lubrication Indicator

23- Engine Stop Indicator (Warning)

24- Engine Warning Indicator

25- Engine Exhaust Gas Temperature Indicator

(Warning)

26- Air Cleaner Restriction Indicator (Warning)

27- Pump Contamination Indicator (Warning)

28- Stop Valve Indicator (Warning)

29- Emergency Engine Stop Indicator (Warning)

30- Ladder Position Indicator (Warning)

M146-01-039

M117-01-020

M18C-01-019

11 12

910

2729

Page 52

OPERATOR’S STATION

1-10

FUEL GAUGE

Fuel machine before needle reaches “E”. When the needle reaches “E”, approximately 300 liters (79 US gal) of fuel remain.

HYDRAULIC OIL TEMPERATURE GAUGE

Start the engine. Run at slow idle until the needle enters white zone (A). If needle enters the red zone, reduce the load immediately and run the engine at slow idle until needle returns the green zone. If the problem continues, contact your authorized dealer.

COOLANT TEMPERATURE GAUGE

Start the engine. Run at slow idle until the needle enters green zone, indicating normal operating temperature.

IMPORTANT: Prevent possible engine damage.

Do not stop engine when needle enters red zone, as temperature will rise further. Instead, reduce load and run engine at slow idle.

If the needle enters the red zone, reduce the load immediately and run the engine at slow idle. If problem continues, inspect for plugged radiator or coolant leakage.

TACHOMETER

Tachometer indicates engine speed in min-1.

M117-01-055

M146-01-013

M117-01-032

M146-01-034

Page 53

OPERATOR’S STATION

1-11

ALTERNATOR INDICATOR

Red indicator will light when alternator output is low. Check electrical system.

PUMP TRANSMISSION OIL PRESSURE INDICATOR (WARNING)

Red indicator will light and buzzer will sound when pump transmission oil pressure is low. Stop the engine immediately. Take corrective action.

ENGINE OIL PRESSURE INDICATOR (WARNING)

IMPORTANT: Prevent possible engine damage.

If engine oil pressure indicator comes on while operating, stop the engine immediately.

Red indicator will light and buzzer will sound when engine oil pressure is low. Stop the engine immediately.

NOTE: Cold oil, low oil level, or operating on a steep

slope may cause indicator to light.

OVERHEAT INDICATOR (WARNING)

Red indicator will light and buzzer will sound when the engine coolant overheats. Reduce load immediately and run engine at slow idle. Inspect for debris around radiator, also check for low coolant level in the radiator.

M144-01-023

M144-01-024

M481-01-007

M424-01-012

Page 54

OPERATOR’S STATION

1-12

HYDRAULIC OIL LEVEL INDICATOR (WARNING)

Red indicator will light and buzzer will sound when hydraulic oil level in the hydraulic oil tank is low. Stop the engine immediately. Take corrective action.

FUEL LEVEL INDICATOR

When red fuel indicator lights, approximately 300 liters (79 US gal) of fuel remains.

ENGINE OIL LEVEL INDICATOR

When level check switch is pushed, green indicator will light if level is adequate for operation.

NOTE: This check does NOT take the place of daily

inspection.

DOWNLOAD INDICATOR

When the monitoring system (optional) is provided, the green indicator comes ON if the system memory is fully occupied. If the indicator comes ON, download the data. Ask your authorized Hitachi dealer for details.

M117-01-049

M144-01-025

M117-01-048

M118-01-012

Page 55

OPERATOR’S STATION

1-13

COOLANT LEVEL INDICATOR

When level check switch is pushed, green indicator will light if coolant level is adequate for operation.

NOTE: This check does NOT take the place of daily

inspection

HYDRAULIC OIL LEVEL INDICATOR

When level check switch is pushed, green indicator will light if hydraulic oil level is adequate for operation.

NOTE: This check does NOT take the place of daily

inspection.

TRAVEL MODE INDICATOR (SLOW SPEED)

This indicator will light when the travel mode is shifted to the slow travel speed mode.

AUTO IDLE INDICATOR

This indicator will light when the auto-idle device is turned ON.

M117-01-035

M117-01-049

M117-01-043

M117-01-044

Page 56

OPERATOR’S STATION

1-14

ENGINE ROOM LIGHT INDICATOR

This indicator will light when the lights in the engine room, in the room under the cab, and in the pump room are ON.

ENTRANCE LIGHT INDICATOR

This indicator will light when the entrance lights, located at the cab rear is ON.

PREHEAT INDICATOR

This indicator stays ON during preheating. When preheating is complete, the indicator goes OFF.

TRAVEL MODE INDICATOR (FAST SPEED)

This indicator will light when the travel mode is shifted to the fast travel speed mode.

M117-01-045

M117-01-046

M157-01-013

M585-01-010

Page 57

OPERATOR’S STATION

1-15

COOLANT LEVEL INDICATOR (WARNING)

IMPORTANT: If the engine is operated with the coolant

level lower than the recommended level, damage to the engine and/or radiator may result. As soon as the indicator comes ON, stop the engine.

If the coolant level is lower than the recommended level, the red indicator comes ON and the buzzer sounds. Immediately stop the engine. Check the coolant system for leaks and the coolant level. Refill the coolant as necessary. If the red indicator comes ON and the buzzer continues sounding for 120 seconds, the engine will stop automatically.

AUTO-LUBRICATION INDICATOR

Red indicator will light when any trouble occurs in the autolubrication circuit. Also, red indicator will light when autolubrication toggle switch in battery compartment is in the MANUAL or OFF position.

ENGINE STOP INDICATOR (WARNING)

If any serious abnormal condition occurs in the engine and/or engine related parts, the red indicator comes ON. (Automatically the engine speed may be reduced or the engine may be stopped depending on the extent of the abnormal condition.) Immediately, set the machine in the safety position and stop the engine. Then, contact your nearest Hitachi dealer.

NOTE: When the key switch is turned ON, this indicator

normally stays ON until the engine starts.

ENGINE WARNING INDICATOR (WARNING)

The yellow indicator comes ON if any abnormal condition occurs in the engine and/or engine related parts. If the engine is operated with the yellow indicator ON, the engine performance will deteriorate. If the yellow indicator comes ON, stop the engine immediately and contact your nearest Hitachi dealer.

NOTE: When the key switch is turned ON, this indicator

normally stays ON for approx. 2 seconds and goes OFF.

M117-01-035

M117-01-036

M144-01-026

M144-01-028

Page 58

OPERATOR’S STATION

1-16

ENGINE EXHAUST GAS TEMPERATURE INDICATOR (WARNING)

If the engine exhaust temperature increases abnormally, the yellow indicator comes ON. Reduce the engine speed to the slow idle speed to lower the exhaust temperature. After the indicator goes OFF, check the exhaust system for any failure.

IMPORTANT: If the engine is operated with the exhaust

temperature excessively high, damage to the engine may result. As soon as the indicator comes ON, reduce the engine speed to the slow idle speed to lower the exhaust temperature.

AIR CLEANER RESTRICTION INDICATOR (WARNING)

Red indicator will light when the air cleaner elements are clogged. Clean or replace outer elements.

PUMP CONTAMINATION INDICATOR (WARNING)

Red indicator will light when trouble occurs in any of the six pumps. Contact your authorized dealer.

M146-01-037

M117-01-038

M117-01-039

Page 59

OPERATOR’S STATION

1-17

STOP VALVE INDICATOR (WARNING)

Red indicator will light and buzzer will sound when stop valve in the low pressure circuit is closed, and the engine cannot be started.

EMERGENCY ENGINE STOP INDICATOR (WARNING)

When the emergency engine stop switch is turned to the EMERG STOP position, red indicator will light and the starter cannot be operated. The indicator will remain staying ON under this condition.

The indicator will go off when the emergency engine stop switch is turned to the NORMAL position. The starter will operate.

Other engine emergency stop switches are located as follows: Engine Compartment: Two Switches Pump Compartments: Two Switches

LADDER POSITION INDICATOR (WARNING)

While the ladder is extended, this red indicator will light and the machine will not be able to swing. Check ladder and retract to the locked position. When the ladder retracts to the locked position, red indicator will go off and the machine will be able to swing.

M117-01-041

M117-01-040

M117-01-042

Page 60

OPERATOR’S STATION

1-18

SWITCH PANEL

M18C-01-020

1- Washer Switch

2- Wiper Delay Selector Switch

3- Cigar Lighter

4- Wiper Switch

5- Air Conditioner Rear Panel

6- Air Conditioner Side Panel

7- Air Conditioner Front Panel

8- Indicator Light Check Switch

9- Level Check Switch

10- Buzzer Stop Switch

11- Dimmer Switch

12- Engine Speed Control Lever

13- Work Light Switch

14- Dome Light Switch

15- Engine Room Light Switch

16- Entrance Light Switch

17- Travel Speed Switch

18- Auto-Idle Switch

19- Spare

20- Preheat Switch

20 19

Page 61

OPERATOR’S STATION

1-19

WIPER SWITCH

Wipers (2) can be operated using wiper switch (1) as follows:

OFF position (A): Deactivated INT position (B): Wiper (2) operates intermittently. LO position (C): Wiper (2) continuously operates in slow

speed.

HI position (D): Wiper (2) continuously operates in fast

speed.

WIPER DELAY SELECTOR SWITCH

When the wiper switch is turned to the intermittent position, the interval between wiper operation can be adjusted in four stages using wiper delay selector switch (3) as follows:

SHORT position (E): Wiper operates at approx. 4 second

intervals.

 position (F): Wiper operates at approx. 8 second

intervals.

 position (G): Wiper operates at approx. 15 second

intervals.

LONG position (H): Wiper operates at approx. 25 second

intervals.

WASHER SWITCH

IMPORTANT: Washer motor may be damaged if

washer switch (4) is held for more than 20 seconds, or continually operated with no fluid in the washer tank.

Press washer switch (4) to squirt windshield washer fluid on windshield. Washer fluid will squirt and the wiper will operate as long as washer switch (4) is pressed. The wiper will operate four seconds more after washer switch (4) is released.

M18C-01-021

M18C-01-036

M18C-01-021

EBF

Page 62

OPERATOR’S STATION

1-20

AIR CONDITIONERS

This machine is equipped with three air conditioners, all located in the room under the cab. Air flow vents for these air conditioners are located inside the cab at the front, side, and rear, respectively. Moreover, three air conditioner control panels are provided in the cab, each designated for one of the three air conditioners.

Component Designation

1- Front Air Flow Vents

2- Side Air Flow Vents

3- Rear Air Flow Vents

NOTE: Direction of air flowing out of each vent can be

changed by adjusting the louver.

4- Air Conditioner Front Panel

5- Air Conditioner Side Panel

6- Air Conditioner Rear Panel

M117-01-054

M144-01-012

M146-01-035

M18C-01-022

Front Air Flow Vents

Rear Air Flow Vents

5 4

Side Air Flow Vents

Page 63

OPERATOR’S STATION

1-21

Designations and Functions of Controls

7- Ventilation Shift Switch

8- Air Conditioner Switch

9- Air Conditioner Indicator

10- Temperature Control Switches

11- Temperature Indicator

12- Blower Control Switches

13- Blower Speed Indicator

Ventilation Shift Switch (7)

Each time ventilation shift switch (7) is pressed, ventilation mode is shifted between

and

. Circulation Fresh Air

When the Fresh Air mode is selected, the cab is slightly pressurized, preventing dust from entering into the cab.

Air Conditioner Switch (8)

Press air conditioner switch (8) to turn ON the air conditioner. Press it again to turn it OFF.

Air Conditioner Indicator (9)

This indicator (9) will light when the air conditioner is turned ON.

Temperature Control Switches (10)

Press temperature control switch

(10) to increase the temperature. Press temperature control switch

(10) to decrease the temperature.

Temperature Indicator (11)

The number of the lit LEDs indicates the relative temperature of the air blowing out. The higher the number of the lit LEDs, the higher the temperature of the air blowing out is.

Blower Control Switches (12)

Control blower speed using these switches. Each time blower control switch

(12) is pressed, the blower fan speed is increased from OFF to low, to medium, and to high. Each time blower control switch

(12) is pressed, the blower fan speed is decreased from high to medium, to low, then it will be turned OFF. Lit part of blower speed indicator (13) will move each time one of these switches is pressed.

Blower Speed Indicator (13) Each part of the indicator indicates blower fan speed as follows: When the OFF is lit: OFF When the

is lit: Low Speed

When the

is lit: Medium Speed

When the

is lit: High Speed

M117-01-050

11 7

13 12

Page 64

OPERATOR’S STATION

1-22

COOLING

Set the temperature to the lowest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until only the leftmost indicator (11) is on.) Press blower control switch

(12) to turn on the blower fan. Press air conditioner switch (8). (Air conditioner indicator (9) should turn on.) Cool air will flow from the vents. Use temperature control switch (10) and blower control switch (12) to adjust the temperature inside the cab.

HEATING

Set the temperature to the highest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until all temperature indicators (11) turn on.) Press blower control switch

(12) to turn on the blower fan. Warm air will flow from the vents. Use temperature control switch (10) and blower control switch (12) to adjust the temperature inside the cab.

M117-01-050

Page 65

OPERATOR’S STATION

1-23

DEHUMIDIFYING AND HEATING (To prevent the windshield from clouding)

Set the temperature to the highest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until all temperature indicators (11) turn on.) Press blower control switch

(12) to turn on the blower fan. Press air conditioner switch (8). (Air conditioner indicator (9) should turn on.) Warm air will flow from the vents. Adjust front air flow vents (1) and side air flow vents (2) so that the air flow is directed toward the windshield. Use temperature control switch (10) and blower control switch (12) to adjust the temperature inside the cab.

M117-01-054

M117-01-050

M144-01-012

Page 66

OPERATOR’S STATION

1-24

DEFROSTING

Set the temperature to the highest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until all temperature indicators (11) turn on.) Repeatedly press blower switch

(12) to the high speed

position (until blower indicator

(13) comes on). Adjust front air flow vents (1) and side air flow vents (2) so that the air flow is directed toward the windshield.

M117-01-054

M117-01-050

M144-01-012

Page 67

OPERATOR’S STATION

1-25

BLOWER OPERATION WITHOUT COOLING OR HEATING

Set the temperature to the lowest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until only the leftmost indicator (11) is on.) Press blower control switch

(12) to turn on the blower

fan. Air will flow from the vents.

VENTILATION THE CAB

Turn on the fresh air indicator using ventilation switch (7). Set the temperature to the lowest setting using temperature control switch

(10). (Repeatedly press temperature control switch (10) until only the leftmost temperature indicator (11) is on.) Press blower control switch

(12) to turn on the blower.

Fresh air will flow from the vents.

M117-01-050

Page 68

OPERATOR’S STATION

1-26

INDICATOR LIGHT CHECK SWITCH

1. Turn key switch to the ON position.

• Alternator indicator (2), pump transmission oil pressure indicator (3),engine oil pressure indicator (4), engine stop indicator (5), and engine warning indicator (6) will come ON. If either indicator fails to light, the indicator bulb may be burned out. Engine warning indicator (6) will go OFF after staying ON for approx. 2 seconds.

2. When indicator light check switch (1) is pressed and

held, all indicators will come ON and stay ON until the switch is released. If any indicator fails to light, the indicator bulb may be burned out.

3. The buzzer will sound as long as indicator light check

switch (1) is depressed. If the buzzer doesn’t sound, the buzzer is faulty.

M18C-01-023

M18C-01-024

Page 69

OPERATOR’S STATION

1-27

LEVEL CHECK SWITCH

Turn the key switch to the ON position.

When engine oil levels (2), coolant level (3) and hydraulic oil level (4) are adequate for operation, these indicators on the monitor panel will light when level check switch (1) is pushed.

NOTE: Use the level check switch only when the en-

gine is stopped.

IMPORTANT: The monitor system on this machine is

not intended to guarantee the complete machine condition. Don’t relay only on the monitor indication. Be sure to perform visual checks such as oil levels at regular intervals to ensure using the machine safely.

M18C-01-023

M18C-01-024

Page 70

OPERATOR’S STATION

1-28

BUZZER STOP SWITCH

The buzzer will sound in the following cases.

1. Coolant level is low.

(Coolant level indicator (2) lights also.)

2. Pump transmission oil pressure is low.

(Pump transmission oil pressure indicator (3) lights also.)

3. Engine oil pressure is low.

(Engine oil pressure indicator (4) lights also.)

4. Engine coolant overheat.

(Overheat indicator (5) lights also.)

5. Hydraulic oil tank oil level is low.

(Hydraulic oil level indicator (6) lights also.)

6. Stop valve in the low pressure circuit is closed.

(Stop valve indicator (7) lights also.)

Depress buzzer stop switch (1) to stop buzzer. Buzzer is automatically reset after releasing buzzer stop switch (1). If the buzzer sounds again, recheck the above cases.

M18C-01-023

M18C-01-024

4 3

Page 71

OPERATOR’S STATION

1-29

DIMMER SWITCH

Use dimmer switch (1) to adjust the air cond. panels (2), grouped pilot lamp (3), fuel gauge (4), hydraulic oil temperature gauge (5), coolant temperature gauge (6), tachometer (7), and switches (8) illumination.

Clockwise Turn: Brighter Illumination Counterclockwise Turn: Darker Illumination

ENGINE SPEED CONTROL LEVER

Use engine speed control levers (9) to adjust engine speed.

Slow Idle : Move lever (9) to the LOW position (10) Fast Idle : Move lever (9) to the HIGH position (11)

M18C-01-023

M146-01-039

M117-01-013

Page 72

OPERATOR’S STATION

1-30

WORK LIGHT SWITCH

Press work light switch (1) to turn on all work lights (2). In addition, illumination for air cond. panels (3), fuel gauge (4), hydraulic oil temperature gauge (5), coolant temperature gauge (6), tachometer (7), and radio (8) will be lit.

NOTE: Work light (2) will stay ON for approx. 1 minute

and go OFF after the key switch is turned OFF with work light switch (1) ON.

M18C-01-022

M18C-01-014

M18C-01-006

M146-01-039

Page 73

OPERATOR’S STATION

1-31

DOME LIGHT SWITCH

Press dome light switch (1) to turn on dome lights (2) and (3), located on the front and rear parts of the cab ceiling.

M18C-01-022

M144-01-033

M144-01-034

Page 74

OPERATOR’S STATION

1-32

ENGINE ROOM LIGHT SWITCH

Press engine room light switch (1) to turn on lights (3), (4) and (5) located in the room under the cab, in the engine room, and in the pump room, respectively. Engine room light indicator (2) will also light.

NOTE: Engine room lights (3), (4) and (5) will stay ON

for approx. 1 minute go OFF after the key switch is turned OFF with engine room light switch (1) ON.

M18C-01-020

M141-01-017

M18C-01-025

M141-01-019

In Engine Room

In Pump Room

In Room Under the Cab

Page 75

OPERATOR’S STATION

1-33

ENTRANCE LIGHT SWITCH

Press entrance light switch (1) to turn on entrance light (3). Entrance light indicator (2) will also light.

NOTE: Entrance light (3) will stay ON approx. 1 minute

go OFF after the key switch is turned OFF with entrance light switch (3) ON.

M18C-01-020

M18C-01-024

M18C-01-026

Page 76

OPERATOR’S STATION

1-34

TRAVEL SPEED SWITCH

Fast speed (rabbit) and slow speed (turtle) can be selected by pushing travel speed switch (1).

2- Travel Mode Indicator (Slow Speed)

3- Travel Mode Indicator (Fast Speed)

AUTO-IDLE SWITCH

While auto-idle switch (4) is turned on, engine speed decreases to the auto-idle setting from the engine speed control lever setting approximately 4 seconds after the control levers are returned to neutral. Auto-idle indicator (5) stays on while auto-idle switch (4) is turned on. Push auto-idle switch (4) again to turn off the auto-idle function. Auto-idle indicator (5) will also be turned off.

M18C-01-020

M18C-01-024

M18C-01-020

M18C-01-024

Page 77

OPERATOR’S STATION

1-35

SWITCH PANEL (RIGHT)

1- Emergency Engine Stop Switch

2- Key Switch

EMERGENCY ENGINE STOP SWITCH

If an emergency engine stop is required or if the engine won’t stop due to a failure of the key switch, turn engine emergency stop switch (1) to the EMERG STOP position from the NORMAL position to stop the engine. Air vent valve (3) located in front of the hydraulic oil tank will open at the same time to relieve pressure from the hydraulic oil tank. Turn engine emergency stop switch (1) to the NORMAL position to restart the engine.

KEY SWITCH

4- OFF (Engine Off)

5- ACC (Horn, Radio etc.)

6- ON (Engine On)

7- START (Engine Start)

M117-01-093

M18C-01-027

M117-01-094

Page 78

OPERATOR’S STATION

1-36

PREHEAT SWITCH

Turn key switch (1) to the ACC position. Open preheat switch cover (2) and press preheat switch (3). Preheat indicator (4) comes ON, starting preheating. When preheat switch (3) is pressed again within 30 seconds, the switch is turned OFF and preheat indicator (4) goes OFF, completing preheating. Preheat indicator will automatically go OFF after 30 seconds pass, or key switch ( 1) is turned ON, completing preheating.

NOTE: Preheating starts only when key switch (1) is in

the ACC position.

NOTE: After preheating for more than 15 seconds, if

preheating is required again, turn preheat switch (2) OFF. Then, wait for more than 60 seconds before restarting preheating. Otherwise, preheating system will not operate.

After completing preheating, turn preheat switch (3) OFF and close cover (4). Operate preheat switch (3) when the engine is difficult to start when the ambient temperature is low. Refer to the STARTING IN COLD WEATHER on page 3-5 for the details.

M117-01-094

M18C-01-028

START

ACC

OFF

Page 79

OPERATOR’S STATION

1-37

ENGINE TROUBLESHOOTING SWITCH

Engine troubleshooting switch is located behind side cover (1) of the left console in the cab. If the engine and/or engine related parts fail, and either engine warning indicator (3) or engine stop indicator (4) lights or continues flashing, display fault codes (flashing the engine warning indicator) by operating engine troubleshooting switch (2). Don’t operate engine troubleshooting switch (2) when the engine is normal. Refer to the ENGINE TROUBLESHOOTING on page 11-1 for the details.

M146-07-048

M18C-01-029

M18C-01-023

Page 80

OPERATOR’S STATION

1-38

HOUR METER

1- Hour Meter

The right hand number indicates tenths (six minutes) of an hour.

HORN SWITCH

Horn switch (2) is provided on the top of the left control lever. The horn continuously sounds as long as switch (2) is pressed.

CAUTION: If horn (3) does not sound when pushed, immediately stop the engine and contact your authorized dealer for repair. Operating the machine with a malfunctioning horn may result in personal injury or death.

M144-01-033

M177-01-057

M146-01-010

M18C-01-014

Page 81

OPERATOR’S STATION

1-39

FM/AM RADIO OPERATION

1. Controls on the radio

1- Power Switch/Volume Control Knob

2- Tone Adjustment Ring

3- AM/FM Switch

4- Station Preset

5- Tuning Switch

6- Display Mode Change Switch

7- Digital Display

8- Time Set Switch

9- Set Switch

2. Tuning Procedure

(1) Manual Tuning Procedure

Repeatedly tap one of tuning switch (5) until the desired station is reached. Each time the tuning switch is pressed, the frequency changes at an interval.

• Tap the tuning switch (

∧

) to increase the fre-

quency.

• Tap the tuning switch (

∨

) to decrease the fre-

quency.

Digital display (7) will return to the setting (the

clock or the frequency, whichever one is set by the display mode change switch) approximately 5 seconds after tuning switch (5) are no longer tapped or pressed.

(2) Automatic Search Function

Press and hold one of tuning switch (5) for more than half a second until an electronic tone is heard, then release. The frequency display will move up to the next higher frequency station.

• To go up to the next higher frequency station, press and hold the tuning switch (

∧

• To go down to the next lower frequency station, press and hold the tuning switch (

∨

After displaying the next frequency station, digital

display (7) will return to the setting (the clock or the frequency, whichever one is set by the display mode change switch) in approximately 5 seconds.

In order to deactivate the automatic search function while it is operating (while searching the next available frequency station), simply tap tuning switch (5) again. If the receiving radio waves are weak, i. e. such as when the machine is located between high rising buildings, etc., use the manual tuning procedure to select the desired station.

M146-01-039

M157-01-027

Radio

7 6 5 2

8 9

Page 82

OPERATOR’S STATION

1-40

3. Station Presetting Procedure

(1) Select the desired station using tuning switches (5).

(Refer to the “Tuning Procedure” section.)

(2) Press and hold one station preset (4) for more than

2 seconds until an electronic tone is heard. Now, the selected station is preset for the selected station preset. The frequency of the preset station will be indicated on digital display (7).

Once the presetting is complete for a station preset (4), the radio will be tuned to the preset station when station preset (4) is pressed (for less than 2 seconds).

DIGITAL CLOCK SETTING PROCEDURE

NOTE: In order to set the clock, digital display (7) must

be in the time display mode.

1. Press and hold display mode change switch (6). While holding display mode change switch (6), use time set switch (8) and/or set switch (9) to set the clock. The functions of time set switch (8) and set switch (9) are as follows:

•

Time Set Switch (H): Each time set switch (H) is pressed, the hour display will increase by one.

•

Time Set Switch (M): Each time set switch (M) is pressed, the minute display will increase by one.

(The time is displayed in 12 hour standard.) If either of the switches (H) or (M) is pressed and held, the hour or minute display will change continuously until the switch is released.

•

Set Switch (SET) (9): If set switch (SET) (9) is

pressed, the minute display will be reset to “00”.

• If the minute display is “29” or smaller when set

switch (SET) (9) is pressed, the display will be reset

to “00” without changing the hour display.

• If the minute display is “30” or larger when set switch

(SET) (9) is pressed, the hour display will be in-

creased by one and the minute display will be reset

to “00”.

For example, if the set switch (SET) (9) is pressed

when the clock display is “10:29” and “10:30”, the clock display will change to “10:00” and “11:00” respectively.

M157-01-027

7 6

8 9

Page 83

OPERATOR’S STATION

1-41

OPERATOR’S SEAT ADJUSTMENT

Seat Angle and Height Adjustment

(1) The rear part of the seat height can be adjusted in

5 positions at 15 mm (0.6 in) intervals. Pull up and hold lever (1) to adjust the height of the rear part of the seat, thus adjusting the angle of the seat setting in the rear part.

a. The rear part of the seat will be positioned in its

highest position by pulling and holding of lever (1) without applying any weight against the seat. In practice, remove all weight from the seat until the rear part of the seat rises to the desired height while pulling and holding lever (1). Then, release lever (1) to obtain the desired height (angle) of the rear part of the seat.

b. In order to lower the rear part of the seat, pull and

hold lever (1), apply weight until the rear part of the seat lowers to the desired position, and then release lever (1).

(2) The front part of the seat height can be adjusted in

5 positions at 15 mm (0.6 in) intervals. Push down and hold lever (1) to adjust the height of the front part of the seat, thus adjusting the angle of the seat setting in the front part.

a. The front part of the seat will be positioned in its

highest position by pushing and holding of lever (1) without applying any weight against the seat. In practice, lean back against the backrest to take weight off the front part while pushing and holding lever (1) until the front part of the seat rises to the desired height. Then, release lever (1) to obtain the desired height (angle) of the front part of the seat.

b. In order to lower the front part of the seat, push

and hold lever (1), apply weight until the front part of the seat lowers to the desired position, and then release lever (1).

Adjust the seat height by adjusting the rear and front heights of the seat alternately as desired. [adjustable height range: 60 mm (2.4 in) (5 positions at 15 mm (0.6 in) intervals)]

Backrest Adjustment

Pull up and hold lever (2) to adjust the backrest. The backrest can be tilted 66 degrees forward and 72 degrees to the rear at 3 degree intervals. Adjust the backrest angle with your back against the backrest. If the back is pulled away from the back rest, the backrest may hit your back when lever (2) is pulled.

M117-01-030

Page 84

OPERATOR’S STATION

1-42

Seat Fore-Aft Adjustment

Pull up and hold handle (3) to unlock the seat for the seat fore-aft adjustment. With handle (3) pulled up and held, slide the seat to the desired distance from the control levers. 17 positions at 10 mm (0.4 in) intervals (160 mm (6.3 in) range) are provided for the seat fore-aft adjustment.

Weight (Suspension) Adjustment

Turn knob (4) until the needle in the transparent part on knob (4) indicates your own weight in “kg”. Turn knob (4) counterclockwise to decrease the weight indication. Turn knob (4) clockwise to increase the weight indication.

Armrest Adjustment

Armrest (5) can be raised upright by hand. Also, the armrest angle can be adjusted by turning dial (6) located on the bottom of the armrest. Positioning the armrest in front of the body:

•

Turn the dial counterclockwise to raise the armrest angle.

•

Turn the dial clockwise to lower the armrest angle.

Headrest Adjustment

Headrest height and angle can be adjusted. Pull headrest (7) upward or push downward to the desired position. (Height adjustment range: 50 mm (2.0 in)) Headrest (7) can be adjusted 60 degrees forward from the upright position. Move headrest by hands to the desired angle.

Lumbar Support

A lumbar support mechanism is installed in the backrest. The lumbar support force can be adjusted in six steps. The furthest-clockwise-turned position of knob (8) is the standard position. Turn knob (8) counterclockwise (the arrow-indicated direction) to increase the lumbar support force.

Console/Seat Unit Fore-Aft Adjustment

Pull lever (9) up to adjust both right and left consoles and the seat as an integral unit in fore-aft directions. Release the lever to lock the unit into position. The fore-aft adjustment range of the unit is 120 mm (4.7 in) with steps every 20 mm (0.8 in).

M117-01-030

M117-01-029

M117-01-012

M117-01-030

Page 85

OPERATOR’S STATION

1-43

SEAT BELT

CAUTION: Be sure to use the seat belt when operating the machine. Before operating the machine, be sure to examine seat belt (1), buckle (2), or attaching hardware. Replace seat belt (1), buckle (2), or attaching hardware if they are damaged, or worn. Replace seat belt (1) every three years, regardless of appearance.

Seat Belt

1. This machine is equipped with a retractable seat belt (1).

2. Pull out the end of seat belt (1) and securely insert it into buckle (2). Confirm that seat belt (1) is not twisted.

NOTE: If seat belt (1) is locked before the end is se-

curely inserted into buckle (2), release the end of seat belt (1) to completely return it to the original position. Then, retry.

3. Push button (3) on buckle (2) to unfasten seat belt (1).

4. Seat belt (4) is also provided on the trainer seat.

M146-01-011

M146-01-012

M146-01-035

Page 86

OPERATOR’S STATION

1-44

CAB DOOR RELEASE BUTTON

When opening the cab door, lock it in the fully opened position. Open the door all the way until it locks in the latch on the side of the cab. Push button (1) to unlock the door.

OPENING CAB LEFT WINDOW

The cab left window can be opened. Pull out lock pin (2) to unlock and open the cab left window.

M146-01-019

M146-01-035

Page 87

BREAK-IN

2-1

OBSERVE MACHINE CLOSELY

IMPORTANT: 1. Be extra cautious during the first 50

hours, until you become thoroughly familiar with the sound and feel of your new machine.

2. Do not attempt to travel the machine at full speed before the break-in period is over, as the lower rollers and front idlers may seize. For the first 200 hours of operation, operate the machine with the travel speed switch set to the slow speed mode.

3. When moving the machine to the jobsite after completion of local reassembly, be sure to operate the machine with the travel speed switch set to the slow speed mode. Check lower rollers and front idlers every 10 minutes for excessively high temperature.

4. Perform correct break-in procedures for the front-attachment pins.

1. Operate the engine horsepower up to about 80 % of full load.

2. Avoid excessive engine idling.

3. Check indicator lights and gauges frequently during operation.

EVERY 10 HOURS OR EACH SHIFT

1. Perform 10-hour or each shift service. (See Maintenance interval guide -- 10 hours.)

2. Watch for fluid leaks.

3. Lubricate working tool pivots every 10 hours for the first 50 hours and when working in mud and water.

Page 88

BREAK-IN

2-2

AFTER THE FIRST 50 HOURS

1. Check coolant, engine oil, and hydraulic oil level and for leaks every day. Refill with the recommended oils and coolant.

2. Check and grease the greasing points at the regular intervals. Grease the front attachment pins every day.

3. Retighten bolts at the regular intervals.

4. Re-drive in the tooth (point) holding wedges.

5. Check the monitor for any abnormality while operating the machine.

6. Operate the machine after thoroughly warming up the engine and hydraulic oil.

7. Check the machine for any abnormal operations while operating the machine.

Page 89

OPERATING THE ENGINE

3-1

INSPECT MACHINE DAILY BEFORE STARTING

Loading Shovel Front Attachment

Backhoe Front Attachment

M18C-01-039

For other inspection and maintenance procedures, refer to the MAINTENANCE Section.

ELECTRICAL SYSTEM: Check for worn or frayed wires and loose or corroded connections.

BOOM, BUCKET, SHEET METAL, TRACKS, HARDWARE: Check for bent, broken, loose, or miss-

ing parts.

HYDRAULIC SYSTEM: Check for leaks, missing or loose clamps, kinked hoses, and lines or hoses that rub against each other or other parts.

LUBRICATION: Check lubrication points.

PROTECTIVE DEVICES: Check guards, shields, and

covers.

FIRE PREVENTION: Clean machine of debris.

SAFETY: Walk around machine to clear all persons

from machine area.

Engine

Counterweight

Air Cleaner

Oil Cooler

Intercooler·Radiator

Lower Roller

Pump

High Pressure Strainer

Front Idler

Emergency Escape Device

Hanger

Compressor

Track Adjuster

Accumulator

Swing Bearing

Upper Roller

Boom Cylinder

Bucket Cylinder

Center Joint

Hydraulic Oil Tank

Control Valve

Travel Device

Battery

Swing Device

Fuel Tank

Ladder

Side Frame

Lubricator

Arm Cylinder

Arm

Bucket

Boom

Cab

Link A

Link B

M18C-01-040

Arm Cylinder

Dump Cylinder

Bucket Cylinder

Boom

Bucket

Arm

Boom Cylinder

Level Cylinder

Page 90

OPERATING THE ENGINE

3-2

CHECK INSTRUMENTS BEFORE STARTING

1. Place pilot control shut-off lever (1) in the LOCK posi-

tion.

2. Check that all control levers are in neutral.

3. Indicator Light Check

(1) Turn key switch (2) ON. Alternator indicator (4),

pump transmission oil pressure indicator (5), engine oil pressure indicator (6), and engine stop indicator (7) will come ON.

(2) Press indicator light check switch (3). As long as

indicator light check switch (3) is pressed and held, all indicators stay ON. If any indicator fails to light, the bulb may be burned out.

4. Adjust the seat to allow full pedal and control levers

stroke with operator’s back against the backrest. Fasten the seat belt.

NOTE: Use a damp cloth when wiping dust off monitor

or switch panels to prevent damaging the panel face.

M117-05-002

M117-01-093

M18C-01-023

Lock Position

Page 91

OPERATING THE ENGINE

3-3

LEVEL CHECK

1. Turn key switch to the ON position.

2. Depress level check switch (1).

Hydraulic oil level (4), coolant levels (3) and engine oil levels (2) indicators will light if levels are adequate for operation.

IMPORTANT: Prevent possible machine damage.

Check fluid levels individually. The level check does not take the place of daily inspection at hydraulic oil level window, engine coolant reserve tank and engine oil level dipstick.

M18C-01-023

M18C-01-024

Page 92

OPERATING THE ENGINE

3-4

STARTING THE ENGINE

1. Pull pilot control shut-off lever (1) up to the LOCK po-

sition.

2. Move the engine speed control lever (2) to the LOW

position.

3. Turn key switch (3) to the ON position.

4. Sound horn to alert bystanders.

5. Turn the key switch to the START position and hold it

there until the engine starts.

IMPORTANT: Prevent damage to the starter. Do not

keep to rotate the starter more than 15 seconds. If engine do not start, do over again after 2 to 3 minute.

6. When engine starts release key switch, key switch (3)

will automatically return to the ON position.

M117-05-002

M18C-01-022

M117-01-093

LOCK Position

Page 93

OPERATING THE ENGINE

3-5

STARTING IN COLD WEATHER

Follow these procedures if the engine is difficult to start in the usual starting method.

Preheating

1. Turn key switch (1) to the ACC position.

2. Open preheat switch cover (4). Turn preheat switch

(3) ON. Preheat indicator (2) comes ON, starting preheating the engine intake air. At the same time, the engine governor is set so that the fuel injection amount is controlled to the most proper condition for starting in cold weather.

3. Within 30 seconds after starting preheating, turn key

switch (1) ON and to the START position and hold it in that position until the engine starts. Preheating will automatically be complete and preheat indicator will go OFF.

CAUTION: Preheating system doesn’t operate unless key switch (1) is in the ACC position. When preheat switch (5) is turned ON, preheating is continuously performed for approx. 30 seconds with key switch (1) in the ACC position. If key switch (1) is turned to a position other than the ACC position before preheating is complete, preheating will be automatically completed, extinguishing preheat indicator (2). In case preheating is performed for longer than 30 seconds, preheat indicator goes OFF, automatically completing preheating. If preheating is required again, turn preheat switch (3) OFF. Wait for more than 1 minute, then turn preheat switch (3) ON again. The preheating system will not be activated unless the 1 minute interruption is performed to protect the engine.

M117-01-094

M18C-01-028

START

ACC

OFF

Page 94

OPERATING THE ENGINE

3-6

4. As soon as the engine starts, release key switch (1).

The key will automatically return to the ON position.

5. Close preheat switch cover (4).

IMPORTANT: Preheating uses a large amount of cur-

rent so that the batteries will be quickly discharged if preheating is frequently performed. Perform proper preheating corresponding to the ambient temperature table below for proper preheating time when the atmospheric temperature is below −−−−5 °°°°C.

Ambient

Temperature

−5 °C to −15 °C −15 °C or less

10 to 20 seconds 20 to 30 seconds

M117-01-094

M18C-01-028

START

ACC

OFF

Page 95

OPERATING THE ENGINE

3-7

CHECK INSTRUMENTS AFTER STARTING

IMPORTANT: If indicator lights do not go out after

starting engine, IMMEDIATELY STOP THE ENGINE and correct the cause.

Check that

1. Hydraulic oil temperature gauge (1) is in the green or

white zone.

2. Coolant temperature gauge (2) is in the green or white

zone.

3. Alternator indicator (3) is off.

4. Pump transmission oil pressure indicator (4) is off.

5. Engine oil pressure indicator (5) is off.

6. Engine stop indicator (6) is off.

7. Engine noise and exhaust gas are normal.

NOTE: Handy engine troubleshooting can be done by

checking the exhaust gas color (Check with the engine running, with no load, after sufficient warm-up operation.)

Colorless or faint blue : normal (proper combustion) Black : abnormal (improper combustion) White : abnormal (oil ring worn, or

coolant leakage into cylinder)

M18C-01-023

M18C-01-024

Page 96

OPERATING THE ENGINE

3-8

USING BOOSTER BATTERIES

CAUTION:

1. An explosive gas is produced while batteries are in use or being charged. Keep flames or sparks away from the battery area. Charge the batteries in a well ventilated area. Do not continue to use or charge the battery when electrolyte level is lower than specified. Explosion of the battery may result. Park the machine on a dry, firm or concrete surface, not on steel plates, if the machine is parked on steel plates, dangerous sparks may be unexpectedly created on the machine. Never connect a positive terminal to a negative terminal, as a dangerous short circuit will occur.

2. The operator must be in the operator’s seat so that the machine will be under control when the engine starts. Jump starting is a twoperson operation.

IMPORTANT: The machine electrical system is a 24

volt negative (–) ground. Use only 24 volt booster batteries.

When the machine batteries are exhausted, start the engine using booster batteries as shown below.

Connecting the booster batteries

1. Stop the engine of the machine on which booster batteries are mounted.

2. Connect one end of red cable to the positive (+) terminal of machine batteries (1), and the other end to the positive (+) terminal of booster batteries (2).

3. Connect one end of black cable to the negative (–) terminal of booster batteries (3), and then make ground connection to the frame of the machine to be started with the other end of black (–) cable. In the last connection to machine frame (4), be sure to connect the cable end as far away from the machine batteries as possible.

4. Start the engine of the machine on which booster batteries are mounted.

5. Start the engine of the troubling machine.

6. After the engine starts, disconnect cables (1) and (2), following the procedure below.

SA-032

M117-03-002

Machine Batteries

Booster Batteries

To Upperstructure of the Machine

(Red)

Upper

Lower

(Black)

Connecting the Booster Batteries

Page 97

OPERATING THE ENGINE

3-9

Disconnecting the booster batteries

1. Disconnect black negative (–) cable from machine frame (4) first.

2. Disconnect the other end of black negative (–) cable from booster batteries (3).

3. Disconnect red positive (+) cable from booster batteries (2).

4. Disconnect red positive (+) cable from machine batteries (1).

M117-03-002

Machine Batteries

Booster Batteries

To Upperstructure of the Machine

(Red)

Upper

Lower

(Black)

Connecting the Booster Batteries

Page 98

OPERATING THE ENGINE

3-10

STOPPING THE ENGINE

IMPORTANT: Prevent possible engine damage.

If engine stops when operating load, remove load. Restart engine immediately. Run 30 seconds at half speed before adding load.

1. Park the machine on a level surface.

2. Lower the bucket to the ground.

3. Turn auto-idle switch (1) off.

IMPORTANT: Turbocharger may be damaged if the

engine is not properly shut down.

4. Set engine speed lever (2) to the Low position. Run the engine at slow idle speed without load for five minutes.

5. Turn key switch (3) OFF. Remove the key from key switch (3).

6. Pull pilot control shut-off lever (4) to the LOCK position.

M18C-01-020

M117-01-093

M117-05-002

LOCK position

Page 99

OPERATING THE ENGINE

3-11

EMERGENCY ENGINE STOP SWITCH

IMPORTANT: Normally, use the key switch to stop the

engine after running the engine at slow idle for five minutes. Use the emergency engine stop switch only for emergency stops, or if the key switch malfunctions. If the engine is shut off, without cooling down, the turbocharger free-wheels without receiving lubricant, resulting in serious damage to the turbocharger.

1. Turn emergency engine stop switch (1) in the cab from the NORMAL position to the EMERG. STOP position when emergency engine stopping is required.

2. Engine will stop and emergency engine stop indicator (2) on the monitor panel will come ON.

3. At the same time, air pressure is purged from the hydraulic oil tank.

4. Turn emergency engine stop switch (1) to the NORMAL position before attempting to restart the engines.

NOTE: Do not use this switch when performing any

inspection / service work.

M117-01-093

M18C-01-023

EMERG. STOP

NORMAL

Page 100

OPERATING THE ENGINE

3-12

ENGINE STOP SWITCHES

Engine stop switches (1) are located as follows to ensure safe inspection work in the engine compartment. Engine Compartment: Two Pump, Compartments: Two When engine stop switch (1) is turned to the EMERG. STOP position, the engine won’t be started with key switch. Engine emergency stop indicator (2) will come ON at this time.

When engine stop switch (1) is turned to the EMERG. STOP position, the engine will be stopped. Turn engine stop switch (1) to the NORMAL position to restart the engine.

NOTE: Although the engine stops in case the engine

stop switches are turned to the EMERG. STOP position, air pressure will not be purged from the hydraulic oil tank.

M18C-01-025

M18C-01-023

M18C-01-032

Engine Stop Switch