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Tennant
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285
User Manual
136 pgs4.66 Mb0
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Tennant 285 User Manual

285
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(Operator Manual)
r
Sweeper/ Scrubber
This manual is furnished with each new TENNANTr Model 285. It provides necessary operating and
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preventive maintenance instructions. Read this manual completely and understand the machine before operating or servicing it.
This manual covers all machine variations and standard accessories. The instruction portion of the manual consists of the Specification, Operation, Maintenance, and Appendix sections. The parts portion consists of the Low Dump Model Parts; Diesel Parts; Multi-Level Dump Model Parts; Accessories; Hydraulic Components; Engine Parts, Gasoline, LPG; and Engine Parts, Diesel; Cross Reference; and Customer Documents sections.
All right side and left side references to the machine are determined by facing the direction of forward travel. All hardware considered to be of a common nature or locally available has been omitted from the parts sections. Be aware that this machine may contain metric hardware. Make sure you use equivalent hardware when replacement becomes necessary.
This machine will provide excellent service. However, the best results will be obtained at minimum costs if:
D The machine is operated with reasonable care. D The machine is maintained regularly --- per the maintenance instructions provided. D The machine is maintained with Tennant Company supplied or equivalent parts.
Parts and supplies may be ordered by phone or mail from any Tennant Company parts and service center, distributor, or from any of the Tennant Company subsidiaries. Before ordering parts or supplies, be sure to have your machine model number and serial number handy. Fill out the data block below for future reference. The telephone numbers, telex numbers, mailing addresses, and locations of those outlets are listed in the Customer Documents section of the manual.
MACHINE DATA
Please fill out at time of installation.
Machine Serial Number --­Engine Serial Number --­Sales Representative --­Customer Number --­Date of Installation --­Manual Number --- MM191 Revision: 06 Published:6---90
Trademark Registered in: Austria, Benelux, Denmark, England, France, Germany, Italy, Spain, Switzerland, United States, Argentina, Australia, Canada, Japan, Mexico, Sweden, by TENNANT COMPANY, Minneapolis, Minnesota, U.S.A.
Acknowledgements: Technical information and/or illustrations supplied by Ford Motor Company; Cessna Fluid Power Division; Eaton Corporation, Hydraulics Division.
Copyright 1987, 1988, 1989, 1990 Tennant Company, Printed in U.S.A.
04633

ABOUT THIS MANUAL

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ABOUT THIS MANUAL
The machine manual that you received with your TENNANT machine contains valuable information about the operation and maintenance, and numerous sections filled with TENNANT part numbers for the repair of the machine. Please read through this section titled ABOUT THIS MANUAL to become familiar with the contents of the machine manual, making the information you are looking for easier to find.
The machine manual consists of several sections of reference information, and the remainder contain part number information for ordering repair parts for the machine. Each section has a shaded bar at the top of the page with the name of that section. Just as this section has the title ABOUT THIS MANUAL on the top of each page. This way you can tell which section you are in at all times.
REFERENCE SECTIONS
The reference information sections of the manual are; General Information, Specifications, Operation, Maintenance, and Appendix.
GENERAL INFORMATION --- The General Information section of the manual contains the safety precautions, the location of the safety labels on the machine, and a table of contents of the entire manual. The Safety Precautions are an overview of the safety measures to be observed when operating and maintaining your machine. The location of the safety labels show the mounting location of the safety labels for use in the replacement of the labels. The table of contents in this section is a list of all the table of contents that appear in the front of each section in the manual. This can be used for easy reference to locate information in a particular section of the manual.
SPECIFICATIONS --- The Specifications section of the manual contains machine specification information useful in the operation and maintenance of the machine. This section gives you specification information on the engine, electric motors, brake system, hydraulics, fluid capacities, and machine weight to mention a few. The section also has a illustration of the top and side view of the machine with the height and width dimensions displayed.
OPERATION --- The Operation section of the manual contains information needed to operate the machine. This section will list the controls and instruments on the machine, overview the machine operation, and tell you how to transport and store the machine.
MAINTENANCE --- The Maintenance section contains information on the suggested maintenance procedures and adjustments to keep your machine in top operating condition. The section includes a Maintenance Chart listing the maintenance schedule and the areas of the machine to be addressed. Each subject of maintenance is covered in more detail in such areas as Lubrication, Hydraulics, Engine, and Electrical System.
APPENDIX --- The Appendix contains hardware and hydraulic information. Standard hardware torques and identification information is included, plus hydraulic torques if your machine is hydraulically controlled.
PART SECTIONS
The remaining sections of the manual contain part number information for ordering repair parts for your machine. The manual contains part number information on every type of machine model available in the model size of your particular machine. Therefore there will be part number information in your manual you will not need to refer to when wanting to place an order.
The main thing you need to know about your machine is what type of model is it. Is the machine powered by an engine or batteries? If the machine has an engine, is it fueled from gasoline, LPG, or gasoline? If it is a mid-sized or larger sweeper, is it multi-level or low dump? For the scrubbers, is it SRSr or standard. Determining this information about your machine will help guide you through the separate parts sections to find the repair part you need.
285 MM191 (12---89)
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ABOUT THIS MANUAL
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The smaller line of sweeper and scrubbers have less complicated part section arrangement, and are easier to find your way through the parts sections. The larger machines can have quite a variety of model types which significantly increases the size to the machine manual. Because of this, on the larger machine we made the first part section, Section 5, a part section which contains parts common to all type of the machine. If the machine has an engine, this section contains parts information on a gasoline powered machine.
The remaining sections contain only parts information which is unique to that particular machine type, such as unique diesel parts on the machine, or unique SRSr parts. Knowing the machine model type you have is important when searching for that part information you need for ordering repair parts. Start in that unique section first when looking for a part, then go to the first parts section, Section 5, if the part can’t be found in the unique section.
MACHINE SERIAL NUMBERS When a design change takes place to a machine,
the changes are indicated in the parts sections with machine serial numbers. Know the serial number of your machine which can be found on the machine data plate mounted on the machine. Record this number on the inside front cover of your manual along with your customer number.
Machine number usage is recorded in the Machine Serial Number column of the parts lists in the parts sections of the manual. If the machine serial number column lists zeros on the left side of the dash, then this part is used on all machines; such as (000000---
).
For parts that are used on machines beginning at and continuing on from a certain serial number, the column would list a serial number on the left of the dash and have blank spaces on the right side of the dash; such as (002346--- ). This part would be used on machines starting with that machine serial number and greater.
Finally, parts can be used on machines with serial numbers in a certain block of numbers. In this situation there is a serial number on the left and right side of the dash. The part is then used on a machine with a serial number starting at the number on the left and up to and including the number on the right; such as (002346---008900).
PARTS ASSEMBLIES A part assembly has parts within the assembly, such
as a parking brake consisting of other smaller parts. What parts are contained in a part assembly can be determined by an indentation arrangement in the description column of the parts lists.
Here is an example of a part assembly, in this case we will use the parking brake mentioned previously:
Machine Serial Number Description Qty.
(000000--- ) Parking Brake 1 (000000--- ) Pin, Roll 1 (000000--- ) Link 1 (000000--- ) Spring, Compression 1 (000000--- ) Pin, Roll 1 (000000--- ) Support 1 (000000--- ) Lever, Release 1 (000000--- ) Rod, Parking Brake 1 (000000--- ) Washer, 0.50” 3
If the column lists zeros on the left of the dash and a number on the right of the dash, then the part is used on machines up to and including that machine serial number; such as (00000---002345).
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In this example, the parts whose descriptions are indented under the parking brake are all parts of the parking brake. When you order the parking brake you will receive all the parts listed under it. You also can order any of the individual parts listed under the parking brake if it is the only part you need.
285 MM191 (12---89)
SUPPLIER COMPONENT BREAKDOWNS
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TENNANT purchases certain components of the machine from suppliers. Some of these components are engines, hydraulic pumps and motors, electric motors, and solution pumps.
For those purchased components that are repairable, lists of parts for them appear in the later part of the parts sections. These are the supplier breakdowns. The engine breakdown contains both supplier and TENNANT parts numbers for repair parts. Breakdowns for hydraulic and electrical components have TENNANT part numbers for the parts TENNANT supplies. The serial numbers listed in any of the parts lists in these sections is a serial number the manufacturer uses to identify design changes in their particular component.
ORDERING REPAIR PARTS
Once you have located a part to order, there are several things you need to have to place the order. At the beginning of each parts section is an Ordering Repair Parts page which lists the information you will need to place your order. Review this list before placing the order.
ABOUT THIS MANUAL
285 MM191 (12---89)
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ABOUT THIS MANUAL
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d
285 MM191 (12---89)

SAFETY PRECAUTIONS

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GENERAL INFORMATION

The following symbols are used throughout this manual as indicated in their descriptions:
WARNING: To warn of hazards or unsafe practices which could result in severe
personal injury or death.
FOR SAFETY: To identify actions which must be followed for safe operation.
The following information signals potentially dangerous conditions to the operator or equipment. Read this manual carefully. Know when these conditions can exist. Locate all safety devices on the machine. Then, take necessary steps to train machine operating personnel. Report machine damage or faulty operation immediately. Do not use the machine if it is not in proper operating condition.
FOR SAFETY:
1. Do not operate machine:
-- Unless trained and authorized.
-- Unless operation manual is read and understood.
-- In flammable or explosive areas unless modified for use in those areas.
-- In areas with possible falling objects unless equipped with overhead guard.
2. Before starting machine:
-- Check for fuel leaks (gasoline, LPG, diesel).
-- Make sure all safety devices are in place and operate properly. See Operation section.
-- Check brakes and steering for proper operation.
5. Before leaving or servicing machine:
-- Stop on level surface.
-- Set parking brake.
-- Turn off machine and remove key.
6. When servicing machine:
-- Avoid moving parts. Do not wear loose jackets, shirts, or sleeves when working on machine.
-- Use Tennant Company supplied or equivalent replacement parts.
WARNING: Machine emits toxic gases.
Severe respiratory damage or asphyxiation can result. Provide adequate ventilation. Consult with your regulatory agency for exposure limits. Keep engine properly tuned.
WARNING: Brush throws debris. Severe
personal injury can result. Stop motor before lifting hopper.
WARNING: Machine can emit excessive
noise. Consult with your regulatory agency for exposure limits. Hearing loss can result. Wear hearing protection.
WARNING: Machine hopper lifts to 108 in
(2745 mm) when high dumping. Hopper can hit overhead wires or object. Electrical shock or falling debris can result. Be sure adequate clearance is available before raising hopper.
WARNING: Machine can have static
electricity charge. When pouring fuel, spark can ignite fuel causing fire or explosion. Connect wire attached to fuel can to machine to discharge spark before pouring fuel.
3. When starting machine:
-- Keep foot on brake and directional pedal in neutral.
4. When using machine:
-- Go slow on grades and slippery surfaces.
-- Use care when backing machine.
-- Do not carry riders on machine.
-- Always follow safety and traffic rules.
285 MM191 (12--- 89)
WARNING: Machine moves when
directional pedal linkage is out of adjustment. Severe personal injury or death can result. If machine creeps when the directional pedal is in neutral, adjust pedal linkage. Engage parking brake when stopped.
WARNING: Falling hopper. Engage hopper
support bar before working under hopper.
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GENERAL INFORMATION
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WARNING: Fuel vapor is present when servicing fuel system. Fire or explosion can
result. Keep flames and sparks away.
WARNING: Hazardous voltage. Shock or
electrocution can result. Disconnect batteries before working on machine. Only qualified personnel should work inside panel.
WARNING: Hot engine coolant. Scalding
can result. Do not open radiator cap or service cooling system until radiator and engine is cool to the touch.
WARNING: Flammable materials can
cause an explosion or fire. Do not use flammable materials in solution tank.
WARNING: The solution and recovery tanks
must be empty during scrub attachment installation and removal to avoid personal injury.
WARNING: Machine is unstable on jack.
Jack machine up at designated locations only. Block machine up with jack stands.
WARNING: Machine is unstable on jack.
Block machine tires before jacking machine up.
WARNING: Leaking hydraulic fluid under
pressure can penetrate skin. Severe infection or death can result. Do not use body to locate leak. Use cardboard to locate leak.
WARNING: Air or water under pressure.
Severe eye or ear injury can result. Wear eye and ear protection.
WARNING: LPG fuel is very cold. Frostbite
can result. Wear gloves when connecting or disconnecting LPG hoses.
WARNING: Battery acid causes severe
burns. Avoid contact. Wash immediately and get medical attention if contact occurs.
WARNING: Stay clear of hopper lift arms
when they are in motion.
WARNING: Keep away from fan.
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285 MM191 (12--- 89)
The following safety labels are mounted on the
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machine in the locations indicated. If these, or any, labels become damaged or illegible, install a new label in its place.
ENGINE FAN LABEL -- LOCATED ON ENGINE FAN SHROUD.
GENERAL INFORMATION
BUMPER CHAIN LABEL -- LOCATED ON UNDERSIDE OF BUMPER, LOW DUMP MODEL ONLY.
NOISE LABEL -- LOCATED ON FRONT RIGHT OF OPERATOR COMPARTMENT.
285 MM191 (12--- 89)
04621
HEAVY BUMPER LABEL -- LOCATED ON UNDERSIDE OF BUMPER, LOW DUMP MODEL ONLY.
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GENERAL INFORMATION
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EMISIONS LABEL -- LOCATED ON LEFT SIDE OF OPERATOR COMPARTMENT.
HOPPER LIFT ARMS LABEL -- LOCATED ON HOPPER LIFT ARMS, MULTI-LEVEL DUMP MODEL ONLY.
FOR SAFETY LABEL -- LOCATED ON LEFT SIDE OF OPERATOR COMPARTMENT.
SHOCK LABEL -- LOCATED ON FRONT RIGHT OF OPERATOR COMPARTMENT.
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04621
HOPPER SUPPORT BAR LABEL -- LOCATED ON HOPPER SUPPORT BAR.
CONTENTS
285 MM191 (12--- 89)
GENERAL INFORMATION i. . . . . . . . . . . . . . . . . .
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SAFETY PRECAUTIONS i. . . . . . . . . . . . . . . .
SPECIFICATIONS 1-1. . . . . . . . . . . . . . . . . . . . . . . . . .
MACHINE SPECIFICATIONS 1-3. . . . . . . . . . . . . .
POWER TYPE 1-3. . . . . . . . . . . . . . . . . . . . . . . .
POWER TRAIN 1-3. . . . . . . . . . . . . . . . . . . . . . .
STEERING 1-3. . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC SYSTEM 1-3. . . . . . . . . . . . . . . . .
BRAKING SYSTEM 1-4. . . . . . . . . . . . . . . . . . .
SUSPENSION SYSTEM 1-4. . . . . . . . . . . . . . .
SYSTEM FLUID CAPACITIES 1-4. . . . . . . . . .
GENERAL MACHINE
DIMENSIONS/CAPACITIES 1-4. . . . . . . . .
MACHINE WEIGHTS 1-4. . . . . . . . . . . . . . . . . .
GENERAL MACHINE PERFORMANCE 1-4. .
MACHINE DIMENSIONS 1-5. . . . . . . . . . . . . . . . .
OPERATION 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PREPARATION FOR OPERATION 2-3. . . . . . . .
AFTER UNLOADING AND BEFORE
OPERATING THE MACHINE: 2-3. . . . . . .
OPERATION OF CONTROLS 2-4. . . . . . . . . . . .
MACHINE COMPONENTS ---
MULTI-LEVEL DUMP MODEL SHOWN . .
2-4
INSTRUMENT PANEL SYMBOLS 2-5. . . . . .
CONTROLS AND INSTRUMENTS 2-7. . . . .
BRAKE PEDAL 2-8. . . . . . . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL 2-8. . . . . . . . . . . . . . .
PARKING BRAKE LEVER 2-8. . . . . . . . . . . . .
OPERATOR SEAT 2-8. . . . . . . . . . . . . . . . . . .
SQUEEGEE SWITCH 2-8. . . . . . . . . . . . . . . .
WATER VALVE SWITCH 2-8. . . . . . . . . . . . . .
THROTTLE LEVER 2-9. . . . . . . . . . . . . . . . . .
THROTTLE SWITCH 2-9. . . . . . . . . . . . . . . . .
HAZARD LIGHT SWITCH 2-9. . . . . . . . . . . . .
ENGINE CHOKE KNOB 2-9. . . . . . . . . . . . . .
DRIVE LIGHTS SWITCH 2-9. . . . . . . . . . . . . .
DIESEL PREHEAT PUSHBUTTON AND
INDICATOR 2-9. . . . . . . . . . . . . . . . . . . . . .
HOPPER DUMP LEVER 2-9. . . . . . . . . . . . . .
HOPPER LIFT AND SIDE BRUSH LEVER 2-10
MAIN BRUSH POSITION LEVER 2-10. . . . . .
STEERING WHEEL 2-10. . . . . . . . . . . . . . . . . .
MAIN BRUSH HEIGHT
ADJUSTMENT KNOB 2-10. . . . . . . . . . . . .
INSTRUMENT PANEL 2-11. . . . . . . . . . . . . . . .
THERMAL SENTRYt INDICATOR 2-11. . . . .
BATTERY CONDITION INDICATOR 2-11. . . .
HYDRAULIC FLUID TEMPERATURE
INDICATOR 2-11. . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE
INDICATOR 2-11. . . . . . . . . . . . . . . . . . . . . .

Contents

Page
2-13
MACHINE OPERATION 2-15. . . . . . . . . . . . . . . . .
GENERAL INFORMATION
Page ENGINE OIL PRESSURE INDICATOR 2-12. .
FUEL LEVEL GAUGE 2-12. . . . . . . . . . . . . . . .
CLOGGED FILTER INDICATOR 2-12. . . . . . . .
FILTER SHAKER SWITCH 2-12. . . . . . . . . . . .
MAIN BRUSH AND VACUUM FAN
SWITCH 2-12. . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE HOUR METER 2-12. . . . . . . . . . . . . .
IGNITION AND START SWITCHES 2-12. . . . .
SIDE BRUSH POSITION LEVER 2-12. . . . . . .
HOPPER SUPPORT BAR 2-12. . . . . . . . . . . . .
TO ENGAGE HOPPER SUPPORT BAR . .
TO DISENGAGE HOPPER
SUPPORT BAR 2-13. . . . . . . . . . . . . . . .
SCRUB BRUSH POSITION LEVER 2-14. . . . .
SOLUTION FLOW KNOB 2-14. . . . . . . . . . . . .
CIRCUIT BREAKERS AND RELAYS 2-14. . . .
NORMAL SWEEPING OPERATION 2-15. . . .
PRE-START CHECKLIST 2-15. . . . . . . . . .
TO START MACHINE 2-15. . . . . . . . . . . . .
TO SWEEP 2-16. . . . . . . . . . . . . . . . . . . . . .
TO DUMP HOPPER 2-17. . . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE OPERATING 2-17. . . . . . . . . .
TO STOP MACHINE 2-17. . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE STOPPED 2-17. . . . . . . . . . . .
NORMAL SCRUBBING OPERATION 2-18. . .
PRE-START CHECKLIST 2-18. . . . . . . . . .
TO START MACHINE 2-18. . . . . . . . . . . . .
TO SCRUB 2-19. . . . . . . . . . . . . . . . . . . . . .
TO DRAIN RECOVERY TANK AND
EMPTY DEBRIS HOPPER 2-20. . . . . . .
POST OPERATION CHECKLIST ---
ENGINE OPERATING 2-20. . . . . . . . . .
TO STOP MACHINE 2-21. . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE STOPPED 2-21. . . . . . . . . . . .
DOUBLE SCRUBBING OPERATION 2-21. . .
OPERATION ON GRADES 2-21. . . . . . . . . . . .
VACUUM WAND 2-22. . . . . . . . . . . . . . . . . . . .
TO OPERATE VACUUM WAND 2-22. . . . .
HOPPER DOLLY 2-23. . . . . . . . . . . . . . . . . . . . .
TO REMOVE HOPPER WITH DOLLY 2-23 TO INSTALL HOPPER WITH DOLLY 2-24.
SCRUB ATTACHMENT 2-24. . . . . . . . . . . . . . .
TO MOUNT SCRUB ATTACHMENT 2-24. TO REMOVE SCRUB ATTACHMENT 2-27
SNOW BLADE 2-29. . . . . . . . . . . . . . . . . . . . . .
TO INSTALL SNOW BLADE 2-29. . . . . . . .
TO OPERATE SNOW BLADE 2-30. . . . . . .
TO REMOVE SNOW BLADE 2-31. . . . . . .
285 MM191 (12--- 89)
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GENERAL INFORMATION
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SNOW BROOM 2-31. . . . . . . . . . . . . . . . . . . . .
TO INSTALL SNOW BROOM
ASSEMBLY 2-31. . . . . . . . . . . . . . . . . . .
TO OPERATE SNOW BROOM 2-33. . . . . .
TO REMOVE SNOW BROOM
ASSEMBLY 2-34. . . . . . . . . . . . . . . . . . .
MACHINE TROUBLESHOOTING ---
SWEEPING 2-35. . . . . . . . . . . . . . . . . . . . . .
MACHINE TROUBLESHOOTING ---
SCRUBBING 2-36. . . . . . . . . . . . . . . . . . . . .
TRANSPORTING MACHINE 2-37. . . . . . . . . . . . .
PUSHING OR TOWING MACHINE 2-37. . . . .
MACHINE JACKING 2-37. . . . . . . . . . . . . . . . .
TO JACK UP MACHINE 2-37. . . . . . . . . . .
MACHINE TIE-DOWNS 2-38. . . . . . . . . . . . . . .
MACHINE STORAGE 2-39. . . . . . . . . . . . . . . . . . .
STORING MACHINE 2-39. . . . . . . . . . . . . . . . .
MAINTENANCE 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECOMMENDED FIRST 50-HOUR
MACHINE INSPECTION 3-3. . . . . . . . . . . . . .
MAINTENANCE CHART 3-4. . . . . . . . . . . . . . . . .
LUBRICATION 3-6. . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
GASOLINE AND LPG ENGINES 3-6. . . .
DIESEL ENGINES 3-6. . . . . . . . . . . . . . . .
STEERING GEAR 3-6. . . . . . . . . . . . . . . . . . .
REAR WHEEL SUPPORT 3-6. . . . . . . . . . . . .
FRONT WHEEL BEARINGS 3-6. . . . . . . . . . .
HOPPER LIFT ARM PIVOTS 3-7. . . . . . . . . .
HOPPER DOOR LATCHES 3-7. . . . . . . . . . . .
SCRUB ATTACHMENT LEG CASTERS 3-8. SCRUB ATTACHMENT DEBRIS HOPPER . .
3-8
HYDRAULICS 3-9. . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID 3-9. . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID RESERVOIR 3-9. . . . . .
TO DRAIN HYDRAULIC FLUID
RESERVOIR AND REPLACE
FILTER ELEMENT 3-10. . . . . . . . . . .
TO FILL HYDRAULIC FLUID
RESERVOIR 3-11. . . . . . . . . . . . . . . . . .
HYDRAULIC PUMPS 3-11. . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL 3-11. . . . . . . . . . . . . . .
TO ADJUST DIRECTIONAL PEDAL 3-12.
LIFT ARM SPEED LIMITER 3-13. . . . . . . . . . .
HYDRAULIC FLUID LEAKS 3-13. . . . . . . . . . .
HYDRAULIC SCHEMATIC,
LOW DUMP MODEL 3-14. . . . . . . . . . . . . .
HYDRAULIC SCHEMATIC,
MULTI-LEVEL DUMP MODEL 3-15. . . . . .
HYDRAULIC SYSTEM
TROUBLESHOOTING 3-16. . . . . . . . . . . . .
HYDRAULIC COMPONENTS
TROUBLESHOOTING 3-18. . . . . . . . . . . . .
Page
Page
ENGINE 3-19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE LUBRICATION 3-19. . . . . . . . . . . . . .
GASOLINE AND LPG ENGINES 3-19. . . .
DIESEL ENGINES 3-19. . . . . . . . . . . . . . . .
COOLING SYSTEM 3-19. . . . . . . . . . . . . . . . . .
AIR INTAKE SYSTEM 3-20. . . . . . . . . . . . . . . .
AIR FILTER RESTRICTION
INDICATOR 3-21. . . . . . . . . . . . . . . . . . .
AIR FILTER 3-21. . . . . . . . . . . . . . . . . . . . . .
TO REPLACE AIR FILTER ELEMENT 3-22
FUEL SYSTEM --- GASOLINE 3-23. . . . . . . . .
FUEL FILTER 3-23. . . . . . . . . . . . . . . . . . . . .
FUEL SYSTEM --- LPG 3-24. . . . . . . . . . . . . . .
LPG FUEL SYSTEM 3-24. . . . . . . . . . . . . . .
FUEL TANKS 3-25. . . . . . . . . . . . . . . . . . . . .
TO CHANGE AN LPG FUEL TANK 3-26. .
FUEL FILTER LOCK 3-26. . . . . . . . . . . . . . .
VAPORIZER-REGULATOR 3-26. . . . . . . . .
CARBURETOR 3-26. . . . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH 3-26. . . . . . . . . .
LPG FUEL TROUBLESHOOTING 3-27. . .
FUEL SYSTEM --- DIESEL 3-28. . . . . . . . . . . .
DIESEL FUEL SYSTEM 3-28. . . . . . . . . . . .
FUEL WATER TRAP-FILTER 3-28. . . . . . . .
TO REPLACE FUEL FILTER
ELEMENT 3-28. . . . . . . . . . . . . . . . . . . .
PRIMING FUEL SYSTEM 3-28. . . . . . . . . .
TO PRIME FUEL SYSTEM 3-29. . . . . . . . .
GOVERNOR --- GASOLINE, LPG
(For machines below serial
number 010750) 3-29. . . . . . . . . . . . . . . . . .
TO ADJUST GOVERNOR
(For machines below serial
number 010750) 3-29. . . . . . . . . . . . . . .
GOVERNOR --- GASOLINE, LPG
(For machines serial number
010750 and above) 3-30. . . . . . . . . . . . . . .
IGNITION SYSTEM --- GASOLINE, LPG 3-30.
SPARK PLUGS 3-30. . . . . . . . . . . . . . . . . . .
DISTRIBUTOR
(For machines below
serial number 010750) 3-31. . . . . . . . . .
ENGINE IGNITION TIMING
(For machines below serial
number 010750) 3-31. . . . . . . . . . . . . . .
TO CHECK AND ADJUST IGNITION
TIMING (For machines below
serial number 010750) 3-31. . . . . . . . . .
ENGINE IGNITION TIMING
(For machines serial number
010750 and above) 3-32. . . . . . . . . . . .
CYLINDER HEAD --- GASOLINE, LPG 3-32. .
CYLINDER HEAD 3-32. . . . . . . . . . . . . . . . .
VALVE TAPPET CLEARANCE 3-32. . . . . .
vi
285 MM191 (12--- 89)
GENERAL INFORMATION
Home
Find...
CYLINDER HEAD --- DIESEL 3-33. . . . . . . . . .
CYLINDER HEAD 3-33. . . . . . . . . . . . . . . . .
VALVE CLEARANCE 3-33. . . . . . . . . . . . . .
CRANKCASE VENTILATION SYSTEM 3-33. . TUNE-UP CHART --- GASOLINE, LPG 3-33. .
ELECTRICAL SYSTEM 3-34. . . . . . . . . . . . . . . . . .
BATTERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-34
ELECTRICAL SCHEMATIC ---
GASOLINE, LPG (For machines
below serial number 010750) 3-35. . . . . .
ELECTRICAL SCHEMATIC --- GASOLINE,
LPG (For machines serial
number 010750 and above) 3-36. . . . . . . .
ELECTRICAL SCHEMATIC --- GASOLINE,
LPG (For machines serial
number 010750 and above) 3-37. . . . . . . .
ELECTRICAL SCHEMATIC --- DIESEL 3-38. . ELECTRICAL SCHEMATIC --- DIESEL
(For machines serial number
010750 and above) 3-39. . . . . . . . . . . . . . .
ELECTRICAL SCHEMATIC --- DIESEL
(For machines serial number
010750 and above) 3-40. . . . . . . . . . . . . . .
ELECTRICAL SCHEMATIC --- AUTO
SHAKER, RFS 3-41. . . . . . . . . . . . . . . . . . . .
BELTS AND CHAINS 3-43. . . . . . . . . . . . . . . . . . . .
ENGINE FAN BELT 3-43. . . . . . . . . . . . . . . . . .
GOVERNOR BELT --- GASOLINE, LPG
(For machines below serial
number 010750) 3-43. . . . . . . . . . . . . . . . . .
STATIC DRAG CHAIN 3-43. . . . . . . . . . . . . . . .
DEBRIS HOPPER 3-44. . . . . . . . . . . . . . . . . . . . . .
HOPPER DUST FILTER 3-44. . . . . . . . . . . . . .
TO REMOVE HOPPER DUST FILTER 3-44
TO INSTALL HOPPER DUST FILTER 3-44
DEBRIS HOPPER 3-45. . . . . . . . . . . . . . . . . . .
TO ADJUST LOW DUMP MODEL
HOPPER 3-45. . . . . . . . . . . . . . . . . . . . . .
TO ADJUST MULTI-LEVEL DUMP
MODEL HOPPER 3-46. . . . . . . . . . . . . .
THERMO SENTRYt 3-49. . . . . . . . . . . . . . . . .
BRUSHES 3-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN BRUSH 3-50. . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE MAIN BRUSH 3-50. . . . . . .
TO CHECK AND ADJUST MAIN
BRUSH PATTERN 3-51. . . . . . . . . . . . . .
SIDE BRUSH . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-52
TO REPLACE SIDE BRUSH 3-53. . . . . . . .
SKIRTS AND SEALS 3-54. . . . . . . . . . . . . . . . . . . .
HOPPER LIP SKIRTS 3-54. . . . . . . . . . . . . . . .
TO REPLACE HOPPER LIP SKIRTS 3-54.
BRUSH DOOR SKIRTS 3-55. . . . . . . . . . . . . . .
TO REPLACE AND ADJUST
BRUSH DOOR SKIRTS 3-55. . . . . . . . .
Page
Page
REAR SKIRTS 3-56. . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE AND ADJUST
THE REAR SKIRTS 3-56. . . . . . . . . . . .
MAIN BRUSH DOOR SEALS 3-57. . . . . . . . . .
HOPPER SEALS 3-57. . . . . . . . . . . . . . . . . . . .
HOPPER INSPECTION DOOR SEAL 3-57. . .
HOPPER DOOR SEALS 3-58. . . . . . . . . . . . . .
HOPPER COVER SEAL 3-58. . . . . . . . . . . . . .
HOPPER VACUUM FAN SEAL 3-58. . . . . . . .
BRAKES AND TIRES 3-59. . . . . . . . . . . . . . . . . . .
SERVICE BRAKES 3-59. . . . . . . . . . . . . . . . . . .
TO ADJUST BRAKE LINKAGE 3-59. . . . . .
PARKING BRAKES 3-59. . . . . . . . . . . . . . . . . .
TIRES 3-59. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCRUB ATTACHMENT 3-60. . . . . . . . . . . . . . . . . .
SCRUB ATTACHMENT 3-60. . . . . . . . . . . . . . .
SOLUTION TANKS 3-60. . . . . . . . . . . . . . . . . . .
SOLUTION DISTRIBUTION SYSTEM 3-60. . .
SCRUB BRUSHES 3-60. . . . . . . . . . . . . . . . . . .
TO REPLACE SCRUB BRUSH 3-61. . . . . .
TO CHECK AND ADJUST SCRUB
BRUSH PATTERN 3-61. . . . . . . . . . . . . . . .
RECOVERY TANK 3-63. . . . . . . . . . . . . . . . . . .
TO DRAIN THE RECOVERY TANK 3-63. .
TO CLEAN THE RECOVERY TANK 3-63. .
DEBRIS HOPPER 3-64. . . . . . . . . . . . . . . . . . .
SIDE SQUEEGEE 3-65. . . . . . . . . . . . . . . . . . .
TO REPLACE SIDE SQUEEGEE
BLADE 3-65. . . . . . . . . . . . . . . . . . . . . . .
REAR SQUEEGEE 3-66. . . . . . . . . . . . . . . . . . .
TO REPLACE OR ROTATE
REAR BLADE 3-66. . . . . . . . . . . . . . . . .
TO REPLACE OR ROTATE
FRONT BLADE 3-67. . . . . . . . . . . . . . . .
TO CHECK AND ADJUST
REAR SQUEEGEE 3-68. . . . . . . . . . . . .
SNOW BROOM 3-70. . . . . . . . . . . . . . . . . . . . . . . .
SNOW BROOM 3-70. . . . . . . . . . . . . . . . . . . . .
TO REPLACE SNOW BROOM 3-70. . . . . .
APPENDIX 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HARDWARE INFORMATION 4-3. . . . . . . . . . . . . .
STANDARD BOLT TORQUE CHART 4-3. . . .
METRIC BOLT TORQUE CHART 4-3. . . . . . .
BOLT IDENTIFICATION 4-3. . . . . . . . . . . . . . . .
THREAD SEALANT AND LOCKING
COMPOUNDS 4-3. . . . . . . . . . . . . . . . . . . .
HYDRAULIC FITTING INFORMATION 4-4. . .
HYDRAULIC TAPERED PIPE FITTING
(NPT)TORQUE CHART 4-4. . . . . .
HYDRAULIC TAPERED SEAT
FITTING (JIC) TORQUE CHART 4-4.
HYDRAULIC O---RING FITTING
TORQUE CHART 4-4. . . . . . . . . . . . . .
285 MM191 (6--- 90)
vii
GENERAL INFORMATION
Home
Find...
LOW DUMP MODEL PARTS 5-1. . . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 5-3. . . . . . . . . . . . . . .
Fig. 1 --- Recommended General
Maintenance Items 5-4. . . . . . . . . . .
Fig. 2 --- Replacement Brushes 5-6. . . . . . . . . . .
Fig. 3 --- Main Frame Group 5-8. . . . . . . . . . . . . .
Fig. 4 --- Seat and Radiator Group 5-10. . . . . . .
Fig. 5 --- Engine Cover and Side
Door Group 5-12. . . . . . . . . . . . . . . .
Fig. 6 --- Hopper Group 5-14. . . . . . . . . . . . . . . . .
Fig. 7 --- Hopper Cover and Filter Group 5-16. .
Fig. 8 --- Hopper Lift Arms Group 5-18. . . . . . . .
Fig. 9 --- Side Brush Group 5-20. . . . . . . . . . . . . .
Fig. 10 --- Front Wheel and Brakes Group 5-22.
Fig. 11 --- Steering Control Group 5-24. . . . . . . .
Fig. 12 --- Rear Wheel Drive Group 5-26. . . . . . . .
Fig. 13 --- Main Brush Drive Group 5-28. . . . . . . .
Fig. 14 --- Main Brush Lift Group 5-29. . . . . . . . . .
Fig. 15 --- Access and Kick Panels Group 5-30. .
Fig. 16 --- Vacuum Fan Group 5-31. . . . . . . . . . . .
Fig. 17 --- Instrument and Control
Panels Group 5-32. . . . . . . . . . . . . . .
Fig. 18 --- Battery Group 5-33. . . . . . . . . . . . . . . . .
Fig. 19 --- Wire Harnesses Group 5-34. . . . . . . . .
Fig. 20 --- Hydraulic Hoses Group 5-36. . . . . . . .
Fig. 21 --- Hydraulic Pumps Group 5-38. . . . . . . .
Fig. 22 --- Hydraulic Reservoir Group 5-39. . . . . .
Fig. 23 --- Hydraulic Control Valve Group 5-40. . Fig. 24 --- Hydraulic Solenoid Valve Group 5-41.
Fig. 25 --- Hydraulic Filter Group 5-42. . . . . . . . . .
Fig. 26 --- Hydraulic Couplings Group 5-43. . . . .
Fig. 27 --- Engine Group 5-44. . . . . . . . . . . . . . . . .
Fig. 28 --- Fuel Tank Bumper Group, LPG 5-46. .
Fig. 29 --- Carburetor Group, LPG 5-48. . . . . . . .
Fig. 30 --- Sheaves and Belts Group 5-49. . . . . .
Fig. 31 --- Air Cleaner Group 5-50. . . . . . . . . . . . .
Fig. 32 --- Directional Control Group 5-51. . . . . .
Fig. 33 --- Flywheel Housing Group 5-52. . . . . . .
Fig. 34 --- Throttle Linkage Group 5-54. . . . . . . . .
Fig. 35 --- Muffler Group 5-55. . . . . . . . . . . . . . . . .
Fig. 36 --- Fuel Tank Group 5-56. . . . . . . . . . . . . .
Fig. 37 --- Labels Group 5-57. . . . . . . . . . . . . . . . .
Fig. 38 --- Headlight, Taillight, and
Spotlight Group 5-58. . . . . . . . . . . . .
Fig. 39 --- Pressure Switch Group 5-59. . . . . . . . .
Fig. 40 --- Overhead Guard Group 5-60. . . . . . . .
DIESEL PARTS 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 6-3. . . . . . . . . . . . . . .
Fig. 1 --- Engine Group, Diesel 6-4. . . . . . . . . . . .
Fig. 2 --- Fuel Tank Group, Diesel 6-6. . . . . . . . .
Fig. 3 --- Radiator and Shroud Group,
Diesel 6-8. . . . . . . . . . . . . . . . . . . . . .
Fig. 4 --- Throttle Linkage Group, Diesel 6-9. . . .
Fig. 5 --- Muffler Group, Diesel 6-10. . . . . . . . . . .
Fig. 6 --- Directional Control Group, Diesel 6-11
Page
Page Fig. 7 --- Instruction Panel Group, Diesel 6-12. .
Fig. 8 --- Wire Harness Group, Diesel 6-13. . . . .
Fig. 9 --- Foam Insulation Group, Diesel 6-14. . .
Fig. 10 --- Air Cleaner Group, Diesel 6-15. . . . . .
MULTI---LEVEL DUMP MODEL PARTS 7-1. . . . . . . .
ORDERING REPAIR PARTS 7-3. . . . . . . . . . . . . . .
Fig. 1 --- Main Frame Group,
Multi---Level Dump 7-4. . . . . . . . . . .
Fig. 2 --- Hopper Door Assembly,
Multi---Level Dump 7-5. . . . . . . . . . .
Fig. 3 --- Hopper Group, Multi---Level
Dump 7-6. . . . . . . . . . . . . . . . . . . . . .
Fig. 4 --- Hopper Lift Arms Group,
Multi---Level Dump 7-8. . . . . . . . . . .
Fig. 5 --- Hopper Cover and Filter Carrier
Group, Multi---Level Dump 7-10. . .
Fig. 6 --- Hydraulic Lift Cylinder
Group, Multi---Level Dump 7-11. . .
Fig. 7 --- Stabilizer Leg Group,
Multi---Level Dump 7-12. . . . . . . . . .
Fig. 8 --- Side Brush Group,
Multi---Level Dump 7-13. . . . . . . . . .
Fig. 9 --- Main Brush Lift Group,
Multi---Level Dump 7-14. . . . . . . . . .
Fig. 10 --- Hydraulic Hoses Group,
Multi---Level Dump 7-15. . . . . . . . . .
Fig. 11 --- Hydraulic Control Valve
Group, Multi---Level Dump 7-16. . .
Fig. 12 --- Wire Harnesses Group, . . . . . . . .
Multi---Level Dump 7-17. . . . . . . . . .
Fig. 13 --- Pressure Switch Group,
Multi---Level Dump 7-18. . . . . . . . . .
ACCESSORIES 8-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 8-3. . . . . . . . . . . . . . .
Fig. 1 --- Cab Kit 8-4. . . . . . . . . . . . . . . . . . . . . . . .
Fig. 2 --- Snow Blade Kit 8-6. . . . . . . . . . . . . . . . .
Fig. 3 --- Snow Broom Kit 8-8. . . . . . . . . . . . . . . .
Fig. 4 --- Mount Frame Kit 8-10. . . . . . . . . . . . . . .
Fig. 5 --- Tire Chain Kit 8-11. . . . . . . . . . . . . . . . . .
Fig. 6 --- Tire and Wheel Assembly 8-11. . . . . . .
Fig. 7 --- Revolving Light Kit, Overhead
Guard 8-12. . . . . . . . . . . . . . . . . . . . .
Fig. 8 --- Flashing Light Kit, Overhead
Guard 8-13. . . . . . . . . . . . . . . . . . . . .
Fig. 9 --- Revolving Light Kit, Shroud 8-14. . . . . .
Fig. 10 --- Flashing Light Kit, Shroud 8-15. . . . . .
Fig. 11 --- Revolving Light Kit, Cab 8-16. . . . . . . .
Fig. 12 --- Flashing Light Kit, Cab 8-17. . . . . . . . .
Fig. 13 --- Rear Squeegee Group 8-18. . . . . . . . .
Fig. 14 --- Side Squeegee Group 8-20. . . . . . . . .
Fig. 15 --- Scrub Attachment Cam Group 8-21. .
Fig. 16 --- Scrub Brush Drive Group 8-22. . . . . . .
Fig. 17 --- Solution Tanks Group 8-24. . . . . . . . . .
Fig. 18 --- Recovery Tank Group 8-26. . . . . . . . . .
viii
285 MM191 (NIL)
GENERAL INFORMATION
Home
Find...
Fig. 19 --- Main Scrubber Brush Group 8-28. . . .
Fig. 20 --- Instrument Panel Group 8-28. . . . . . . .
Fig. 21 --- Hopper Dolly Assembly 8-29. . . . . . . .
Fig. 22 --- Scrubber Bumper Group 8-30. . . . . . .
Fig. 23 --- Dry Battery Kit 8-31. . . . . . . . . . . . . . . .
Fig. 24 --- Vacuum Wand Kit, Low Dump 8-32. . Fig. 25 --- Vacuum Wand Group,
Multi---level Dump 8-34. . . . . . . . . . .
Fig. 26 --- Battery Hold Down Kit 8-36. . . . . . . . . .
Fig. 27 --- Fire Extinguisher Kit 8-37. . . . . . . . . . .
Fig. 28 --- Alternator Kit 8-37. . . . . . . . . . . . . . . . . .
Fig. 29 --- Spark Arresting Muffler Kit 8-38. . . . . .
Fig. 30 --- Protectoseal Fuel Tank Cap Kit 8-38. . Fig. 31 --- Hood Latch and Machine
Tie---Down Kit 8-39. . . . . . . . . . . . . .
Fig. 32 --- Fuel Tanks Group, LPG 8-40. . . . . . . .
Fig. 33 --- Rear Wheel Assembly,
Foam Filled 8-41. . . . . . . . . . . . . . . .
Fig. 34 --- Rear Wheel Assembly, Solid 8-41. . . .
Fig. 35 --- Extra Reach Side Brush Group,
Multi---Level Dump 8-42. . . . . . . . . .
Fig. 36 --- Maximum Path Side
Brush Group 8-43. . . . . . . . . . . . . . .
Fig. 37 --- Hopper and Cover Group, RFS 8-44. . Fig. 38 --- Filter and Shaker Group, RFS 8-46. . .
Fig. 39 --- Vacuum System Group, RFS 8-48. . . .
Fig. 40 --- Electrical and Hydraulic
Group, RFS 8-50. . . . . . . . . . . . . . . .
Fig. 41 --- Switch and Circuit Group, RFS 8-52. .
Fig. 42 --- Wire Harnesses Group, RFS 8-53. . . .
HYDRAULIC COMPONENTS 9-1. . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 9-3. . . . . . . . . . . . . . .
Fig. 1 --- Hydraulic Piston Pump
Breakdown 02704 9-4. . . . . . . . . .
Fig. 2 --- Pump Hydraulic Gear
Breakdown 82205 9-6. . . . . . . . . .
Fig. 3 --- Hydraulic Motor Breakdown
48663 9-7. . . . . . . . . . . . . . . . . . . . .
Fig. 4 --- Hydraulic Motor Breakdown
13106 9-8. . . . . . . . . . . . . . . . . . . . .
Fig. 5 --- Hydraulic Motor Breakdown
27800 9-9. . . . . . . . . . . . . . . . . . . . .
Fig. 6 --- Hydraulic Motor Breakdown
13105 9-10. . . . . . . . . . . . . . . . . . . . .
Fig. 7 --- Hydraulic Motor Breakdown
28808 9-11. . . . . . . . . . . . . . . . . . . . .
Fig. 8 --- Hydraulic Motor Breakdown
77101 9-12. . . . . . . . . . . . . . . . . . . . .
Fig. 9 --- Hydraulic Motor Breakdown
27796 9-13. . . . . . . . . . . . . . . . . . . . .
Fig. 10 --- Hydraulic Motor Breakdown
27787 9-14. . . . . . . . . . . . . . . . . . . . .
Fig. 11 --- Hydraulic Valve Breakdown
62550 9-15. . . . . . . . . . . . . . . . . . . . .
Page
Page
Fig. 12 --- Hydraulic Valve Breakdown
34319 9-16. . . . . . . . . . . . . . . . . . . . .
Fig. 13 --- Hydraulic Solenoid Valve
Breakdown 82754 9-17. . . . . . . . . .
Fig. 14 --- Hydraulic Cylinder Breakdown
04468 9-18. . . . . . . . . . . . . . . . . . . . .
Fig. 15 --- Hydraulic Cylinder Breakdown
82757 9-19. . . . . . . . . . . . . . . . . . . . .
Fig. 16 --- Hydraulic Cylinder Breakdown
04471 9-20. . . . . . . . . . . . . . . . . . . . .
ENGINE PARTS, GASOLINE, LPG 10-1. . . . . . . . . . .
ORDERING REPAIR PARTS 10-3. . . . . . . . . . . . . .
Fig. 1 --- Cylinder Head Group 10-4. . . . . . . . . . .
Fig. 2 --- Cylinder Block Group 10-6. . . . . . . . . . .
Fig. 3 --- Camshaft Group 10-8. . . . . . . . . . . . . . .
Fig. 4 --- Crankshaft and Piston Group 10-10. . . .
Fig. 5 --- Oil Pump and Oil Pan Group 10-12. . . .
Fig. 6 --- Intake and Exhaust Manifold
Group 10-14. . . . . . . . . . . . . . . . . . . . .
Fig. 7 --- Front Cover Group 10-15. . . . . . . . . . . . .
Fig. 8 --- Water Pump Group 10-16. . . . . . . . . . . .
Fig. 9 --- Distributor Group 10-18. . . . . . . . . . . . . .
Fig. 10 --- Gaskets Group 10-20. . . . . . . . . . . . . . . .
Fig. 11 --- Flywheel Group 10-22. . . . . . . . . . . . . . .
ENGINE PARTS, DIS, GASOLINE, LPG 11-1. . . . . .
ORDERING REPAIR PARTS 11-3. . . . . . . . . . . . . .
Fig. 1 --- Cylinder Head, Valves Group 11-4. . . .
Fig. 2 --- Cylinder Block Group 11-6. . . . . . . . . . .
Fig. 3 --- Camshaft and Valve Control
Group 11-8. . . . . . . . . . . . . . . . . . . . .
Fig. 4 --- Crankshaft and Piston Group 11-10. . . .
Fig. 5 --- Oil Pump and Oil Pan Group 11-12. . . .
Fig. 6 --- Intake Manifold Group 11-14. . . . . . . . . .
Fig. 7 --- Front Cover Assembly Group 11-15. . . .
Fig. 8 --- Water Pump Group 11-16. . . . . . . . . . . .
Fig. 9 --- Distributorless Ignition Group 11-17. . . .
Fig. 10 --- Gaskets Group 11-18. . . . . . . . . . . . . . . .
Fig. 11 --- Flywheel Group 11-19. . . . . . . . . . . . . . .
ENGINE PARTS, DIESEL 12-1. . . . . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 12-3. . . . . . . . . . . . . .
Fig. 1 --- Crankcase Group 12-4. . . . . . . . . . . . . .
Fig. 2 --- Oil Pan Group 12-6. . . . . . . . . . . . . . . . .
Fig. 3 --- Cylinder Head Group 12-7. . . . . . . . . . .
Fig. 4 --- Gear Case Group 12-8. . . . . . . . . . . . . .
Fig. 5 --- Main Bearing Case Group 12-10. . . . . .
Fig. 6 --- Inlet Manifold Group 12-11. . . . . . . . . . . .
Fig. 7 --- Valve, Rocker Arm Group 12-12. . . . . . .
Fig. 8 --- Head Cover Group 12-14. . . . . . . . . . . . .
Fig. 9 --- Piston and Crankshaft Group 12-16. . . .
Fig. 10 --- Camshaft Group 12-18. . . . . . . . . . . . . .
Fig. 11 --- Flywheel Group 12-19. . . . . . . . . . . . . . .
Fig. 12 --- Nozzle Group 12-20. . . . . . . . . . . . . . . . .
Fig. 13 --- Fuel Camshaft Group 12-22. . . . . . . . . .
285 MM191 (6--- 90)
ix
GENERAL INFORMATION
Home
Find...
Fig. 14 --- Governor Group 12-24. . . . . . . . . . . . . . .
Fig. 15 --- Speed Control Plate Group 12-25. . . . .
Fig. 16 --- Stop Lever Group 12-26. . . . . . . . . . . . .
Fig. 17 --- Thermostat Group 12-27. . . . . . . . . . . . .
Fig. 18 --- Water Pump Group 12-28. . . . . . . . . . . .
Fig. 19 --- Starter Breakdown 12-29. . . . . . . . . . . . .
CROSS REFERENCE 13-1. . . . . . . . . . . . . . . . . . . . . .
PART NUMBER TO PAGE NUMBER CROSS
REFERENCE LIST 13-3. . . . . . . . . . . . . . . . . . . . . .
CUSTOMER DOCUMENTS 14-1. . . . . . . . . . . . . . . . .
TENNANT COMPANY LIMITED WARRANTY 14-3 TENNANT COMPANY, TENNANT COMPANY SUBSIDIARIES, AND MAJOR PARTS AND
SERVICE LOCATIONS DIRECTORY 14-5. . . . . .
Page
x
285 MM191 (NIL)
MACHINE SPECIFICATIONS 1-3. . . . . . . . . . . . . . . .
Home
Find...
POWER TYPE 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER TRAIN 1-3. . . . . . . . . . . . . . . . . . . . . . . . . .
STEERING 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC SYSTEM 1-3. . . . . . . . . . . . . . . . . . . .
BRAKING SYSTEM 1-4. . . . . . . . . . . . . . . . . . . . . .
SUSPENSION SYSTEM 1-4. . . . . . . . . . . . . . . . . .
SYSTEM FLUID CAPACITIES 1-4. . . . . . . . . . . . .
GENERAL MACHINE
DIMENSIONS/CAPACITIES 1-4. . . . . . . . . . . .
MACHINE WEIGHTS 1-4. . . . . . . . . . . . . . . . . . . . .
GENERAL MACHINE PERFORMANCE 1-4. . . . .
MACHINE DIMENSIONS 1-5. . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS

SECTION 1
CONTENTS
Page
285 MM191 (12--- 89)
1-1
SPECIFICATIONS
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1-2
285 MM191 (12---89)
MACHINE SPECIFICATIONS
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SPECIFICATIONS
POWER TYPE
Engine type --- piston Ignition --- breakerless---type spark Cycle --- 4 Aspiration --- natural Cylinders --- 4 Bore --- 2.91 in (74 mm) Stroke --- 2.97 in (75 mm) Displacement --- 79 cu in (1300 cc) Net power --- 28.5 hp (21.2 kW) @ 2200 rpm,
governed
Net power --- 35.5 hp (26.5 kW) @ 2650 rpm,
governed
Net power --- 53.7 hp (40 kW) @ 4000 rpm,
maximum
Fuel --- gasoline, 87 octane minimum, unleaded or
LPG Cooling system --- water/ethylene glycol antifreeze Electrical system --- 12 V nominal, 37 A alternator
Engine type --- piston Ignition --- diesel Cycle --- 4 Aspiration --- natural Cylinders --- 3 Bore --- 3.25 in (85 mm) Stroke --- 3.23 in (82 mm) Displacement --- 85 cu in (1395 cc) Net power --- 27 hp (20 kW) @ 2200 rpm, governed Net power --- 31 hp (23 kW) @ 2650 rpm, governed Net power --- 32 hp (24 kW) @ 3600 rpm, maximum Fuel --- diesel, No.1 or No.2 Cooling system --- water/ethylene glycol antifreeze Electrical system --- 12 V nominal, 37 A alternator
POWER TRAIN
Propelling --- hydraulic drive motor, rear wheel Main brush --- hydraulic drive motor Side brush --- hydraulic drive motor Vacuum fan --- hydraulic drive motor
STEERING
Type --- rear wheel controlled, automotive worm and
sector gear Power source --- manual
HYDRAULIC SYSTEM
Function --- operates propelling, hopper lift, hopper
dump, main brush drive, side brush drive, and vacuum fan drive.
Control valve, low dump model, side brush drive,
hopper lift --- open center type, single spool.
Control valve, multi-level dump model, side brush
drive, hopper lift, hopper dump --- open center type, two spool.
Control valve, vacuum fan drive, main brush drive ---
open center type, single spool, solenoid operated.
Pump, propelling --- variable displacement piston
type, 1.24 cu in (20 cc) maximum displacement per revolution,
11.8 gpm (45 L/min) @ 2200 rpm,
14.2 gpm (54 L/min) @ 2650 rpm
Propelling system relief pressure --- 4000 psi
(27,580 kPa)
Pump, accessories --- gear type,
1.02 cu in (14 cc) displacement,
9.5 gpm (36 L/min) @ 2200 rpm,
12.3 gpm (47 L/min) @ 2650 rpm.
Side brush and lift cylinder system relief pressure ---
1900 psi (13,100 kPa)
Vacuum fan and main brush motor system relief
pressure --- 2150 psi (14,825 kPa)
Motor, propelling --- internal gear type,
19 cu in (310 cc) displacement per revolution, 4500 psi (31,030 kPa) maximum rated pressure.
Motor, main brush --- internal gear type, 4.5 cu in
(75 cc) displacement per revolution, 2500 psi (17,240 kPa) maximum rated pressure
Motor, side brush --- internal gear type, 2.8 cu in (45
cc) displacement per revolution, 1500 psi (10,340 kPa) maximum rated pressure
Motor, vacuum fan --- external gear type,
0.26 cu in (5 cc) displacement per revolution, 3000 psi (20,685 kPa) maximum rated pressure
Cylinder, hopper lift, low dump model --- single
action type, 2.5 in (65 mm) bore x 6 in (150 mm) stroke, 1.12 in (29 mm) diameter rod, 2500 psi (17,240 kPa) maximum rated pressure
Cylinder, hopper lift, multi-level dump model ---
single action type, 3.5 in (90 mm) bore x 8 in (205 mm) stroke, 1.25 in (32 mm) diameter rod, 2500 psi (17,240 kPa) maximum rated pressure
285 MM191 (12--- 89)
1-3
SPECIFICATIONS
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Cylinder, hopper dump, multi-level dump model ---
double action type, 2 in (50 mm) bore x
5.38 in (135 mm) stroke, 1 in (25 mm) diameter rod, 2500 psi (17,240 kPa) maximum rated pressure
BRAKING SYSTEM
Service brakes --- mechanical drum brakes (2), one
per front wheel, linkage actuated Parking brakes --- utilize service brakes, linkage
actuated
SUSPENSION SYSTEM
Front --- two 4 x 16 solid tires Rear --- one 5.70 x 8 pneumatic tire Rear --- one 5.00 x 8 solid tire accessory
SYSTEM FLUID CAPACITIES
Engine cooling system, gasoline, LPG radiator ---
4 qt (3.8 L) Engine cooling system, gasoline, LPG total ---
16 qt (15 L) Engine cooling system, diesel radiator --- N/A qt
(N/A L) Engine cooling system, diesel total --- N/A qt
(N/A L) Engine lubricating oil, gasoline, LPG --- 3.5 qt
(3.3 L) with filter Engine lubricating oil, diesel --- 7 qt (6.7 L) with filter Fuel tank, gasoline, diesel --- 7.8 gal (30 L) Fuel tank, LPG --- 33 lb (15 kg) Hydraulic system, reservoir --- 5 gal (19 L) Hydraulic system, total --- 6.3 gal (24 L)
GENERAL MACHINE DIMENSIONS/CAPACITIES
Length, low dump model --- 96 in (2440 mm) Length, multi-level dump model --- 98 in
(2490 mm) Width, low dump model --- 56 in (1420 mm) Width,multi-level dump model --- 59 in (1500 mm) Height --- 52 in (1320 mm) Height with overhead guard --- 79 in (2005 mm) Height with overhead guard and hazard lamp ---
85 in (2160 mm) Height with cab --- 77 in (1955 mm) Height with cab and hazard lamp --- 83 in
(2110 mm) Track --- 46 in (1170 mm) Wheelbase --- 38 in (965 mm) Main brush diameter --- 14 in (355 mm) Main brush length --- 42 in (1065 mm) Side brush diameter --- 21 in (535 mm) Sweeping path width --- 42 in (1065 mm) Sweeping path width with side brush --- 53 in (1345
mm) Hopper capacity --- 1000 lb (455 kg) Hopper capacity --- 14 cu ft (0.4 m#) Dust filter area --- 110 sq ft (10.2 m@)
MACHINE WEIGHTS
Net weight, low dump model --- 2150 lb (975 kg) Net weight, multi-level dump model --- 2800 lb (1270
kg) GVWR, low dump model --- 3200 lb (1450 kg) GVWR, multi-level dump model --- 3800 lb
(1725 kg)
GENERAL MACHINE PERFORMANCE
1-4
Maximum forward speed --- 8.5 mph (13.7 km/h) Maximum reverse speed --- 4.2 mph (6.8 km/h) Minimum isle turn width, right, low dump model ---
157 in (3990 mm) Minimum isle turn width, left, low dump model ---
111 in (2820 mm) Minimum isle turn width, right, multi-level dump
model --- 161 in (4090 mm) Minimum isle turn width, left, multi-level dump
model --- 111 in (2820 mm) Maximum rated climb/descent angle --- 10_ with full
hopper, 15_ with an empty hopper
285 MM191 (12---89)
MACHINE DIMENSIONS
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96 in (2440 mm) Low Dump Model 98 in (2490 mm) Multi-Level Dump Model
SPECIFICATIONS
56 in (1420 mm) Low Dump Model
59 in (1500 mm) Multi-Level Dump Model
52 in (1320 mm)
285 MM191 (12--- 89)
02452
1-5
SPECIFICATIONS
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1-6
285 MM191 (12---89)
CONTENTS
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OPERATION

SECTION 2
PREPARATION FOR OPERATION 2-3. . . . . . . . . . .
AFTER UNLOADING AND BEFORE
OPERATING THE MACHINE: 2-3. . . . . . . . .
OPERATION OF CONTROLS 2-4. . . . . . . . . . . . . . .
MACHINE COMPONENTS ---
MULTI-LEVEL DUMP MODEL SHOWN 2-4.
INSTRUMENT PANEL SYMBOLS 2-5. . . . . . . . .
CONTROLS AND INSTRUMENTS 2-7. . . . . . . .
BRAKE PEDAL 2-8. . . . . . . . . . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL 2-8. . . . . . . . . . . . . . . . . .
PARKING BRAKE LEVER 2-8. . . . . . . . . . . . . . . .
OPERATOR SEAT 2-8. . . . . . . . . . . . . . . . . . . . . .
SQUEEGEE SWITCH 2-8. . . . . . . . . . . . . . . . . . .
WATER VALVE SWITCH 2-8. . . . . . . . . . . . . . . . .
THROTTLE LEVER 2-9. . . . . . . . . . . . . . . . . . . . .
THROTTLE SWITCH 2-9. . . . . . . . . . . . . . . . . . . .
HAZARD LIGHT SWITCH 2-9. . . . . . . . . . . . . . . .
ENGINE CHOKE KNOB 2-9. . . . . . . . . . . . . . . . .
DRIVE LIGHTS SWITCH 2-9. . . . . . . . . . . . . . . . .
DIESEL PREHEAT PUSHBUTTON AND
INDICATOR 2-9. . . . . . . . . . . . . . . . . . . . . . . . .
HOPPER DUMP LEVER 2-9. . . . . . . . . . . . . . . . .
HOPPER LIFT AND SIDE BRUSH LEVER 2-10. .
MAIN BRUSH POSITION LEVER 2-10. . . . . . . . .
STEERING WHEEL 2-10. . . . . . . . . . . . . . . . . . . . .
MAIN BRUSH HEIGHT
ADJUSTMENT KNOB 2-10. . . . . . . . . . . . . . . .
INSTRUMENT PANEL 2-11. . . . . . . . . . . . . . . . . . .
THERMAL SENTRYt INDICATOR 2-11. . . . . . . .
BATTERY CONDITION INDICATOR 2-11. . . . . . .
HYDRAULIC FLUID TEMPERATURE
INDICATOR 2-11. . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE COOLANT TEMPERATURE
INDICATOR 2-11. . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE OIL PRESSURE INDICATOR 2-12. . . . .
FUEL LEVEL GAUGE 2-12. . . . . . . . . . . . . . . . . . .
CLOGGED FILTER INDICATOR 2-12. . . . . . . . . .
FILTER SHAKER SWITCH 2-12. . . . . . . . . . . . . . .
MAIN BRUSH AND VACUUM FAN
SWITCH 2-12. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE HOUR METER 2-12. . . . . . . . . . . . . . . . .
IGNITION AND START SWITCHES 2-12. . . . . . .
SIDE BRUSH POSITION LEVER 2-12. . . . . . . . . .
HOPPER SUPPORT BAR 2-12. . . . . . . . . . . . . . . .
TO ENGAGE HOPPER SUPPORT BAR 2-13.
TO DISENGAGE HOPPER
SUPPORT BAR 2-13. . . . . . . . . . . . . . . . . . .
SCRUB BRUSH POSITION LEVER 2-14. . . . . . .
SOLUTION FLOW KNOB 2-14. . . . . . . . . . . . . . . .
CIRCUIT BREAKERS AND RELAYS 2-14. . . . . . .
Page
Page
MACHINE OPERATION 2-15. . . . . . . . . . . . . . . . . . . .
NORMAL SWEEPING OPERATION 2-15. . . . . . .
PRE-START CHECKLIST 2-15. . . . . . . . . . . . .
TO START MACHINE 2-15. . . . . . . . . . . . . . . .
TO SWEEP 2-16. . . . . . . . . . . . . . . . . . . . . . . . .
TO DUMP HOPPER 2-17. . . . . . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE OPERATING 2-17. . . . . . . . . . . . .
TO STOP MACHINE 2-17. . . . . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE STOPPED 2-17. . . . . . . . . . . . . . .
NORMAL SCRUBBING OPERATION 2-18. . . . . .
PRE-START CHECKLIST 2-18. . . . . . . . . . . . .
TO START MACHINE 2-18. . . . . . . . . . . . . . . .
TO SCRUB 2-19. . . . . . . . . . . . . . . . . . . . . . . . .
TO DRAIN RECOVERY TANK AND
EMPTY DEBRIS HOPPER 2-20. . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE OPERATING 2-20. . . . . . . . . . . . .
TO STOP MACHINE 2-21. . . . . . . . . . . . . . . . .
POST OPERATION CHECKLIST ---
ENGINE STOPPED 2-21. . . . . . . . . . . . . . .
DOUBLE SCRUBBING OPERATION 2-21. . . . . .
OPERATION ON GRADES 2-21. . . . . . . . . . . . . . .
VACUUM WAND 2-22. . . . . . . . . . . . . . . . . . . . . . .
TO OPERATE VACUUM WAND 2-22. . . . . . . .
HOPPER DOLLY 2-23. . . . . . . . . . . . . . . . . . . . . . .
TO REMOVE HOPPER WITH DOLLY 2-23. . .
TO INSTALL HOPPER WITH DOLLY 2-24. . . .
SCRUB ATTACHMENT 2-24. . . . . . . . . . . . . . . . . .
TO MOUNT SCRUB ATTACHMENT 2-24. . . .
TO REMOVE SCRUB ATTACHMENT 2-27. . .
SNOW BLADE 2-29. . . . . . . . . . . . . . . . . . . . . . . . .
TO INSTALL SNOW BLADE 2-29. . . . . . . . . . .
TO OPERATE SNOW BLADE 2-30. . . . . . . . .
TO REMOVE SNOW BLADE 2-31. . . . . . . . . .
SNOW BROOM 2-31. . . . . . . . . . . . . . . . . . . . . . . .
TO INSTALL SNOW BROOM ASSEMBLY 2-31
TO OPERATE SNOW BROOM 2-33. . . . . . . .
TO REMOVE SNOW BROOM ASSEMBLY2-34
MACHINE TROUBLESHOOTING ---
SWEEPING 2-35. . . . . . . . . . . . . . . . . . . . . . . . .
MACHINE TROUBLESHOOTING ---
SCRUBBING 2-36. . . . . . . . . . . . . . . . . . . . . . . .
TRANSPORTING MACHINE 2-37. . . . . . . . . . . . . . . .
PUSHING OR TOWING MACHINE 2-37. . . . . . . .
MACHINE JACKING 2-37. . . . . . . . . . . . . . . . . . . .
TO JACK UP MACHINE 2-37. . . . . . . . . . . . . .
MACHINE TIE-DOWNS 2-38. . . . . . . . . . . . . . . . . .
MACHINE STORAGE 2-39. . . . . . . . . . . . . . . . . . . . . .
STORING MACHINE 2-39. . . . . . . . . . . . . . . . . . . .
285 MM191 (12--- 89)
2-1
OPERATION
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2-2
285 MM191 (12--- 89)
PREPARATION FOR OPERATION
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AFTER UNLOADING AND BEFORE OPERATING THE MACHINE:
1. Check the machine for shipping damage.
2. Read this manual carefully before operating or servicing the machine.
FOR SAFETY: Do not operate the machine unless operation manual is read and understood.
3. Check the hydraulic fluid level in the hydraulic fluid reservoir, using the dipstick provided. TENNANTr hydraulic fluid is recommended. If TENNANTr hydraulic fluid is not available, use only new, approved hydraulic fluid. See Hydraulics in the Maintenance section.
4. Check the engine oil level.
5. Check the radiator coolant level.
OPERATION
WARNING: Hot engine coolant. Scalding
can result. Do not open radiator cap or service cooling system until radiator and engine is cool to the touch.
6. Check the main brush adjustment, as described in Brushes in the Maintenance section.
7. Check the air pressure of the rear tire.
8. Fill the fuel tank, or install an LPG fuel tank on the machine.
WARNING: Machine can have static
electricity charge. When pouring fuel, spark can ignite fuel causing fire or explosion. Connect wire attached to fuel can to machine to discharge spark before pouring fuel.
285 MM191 (12--- 89)
2-3
OPERATION
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OPERATION OF CONTROLS
M
L
A
B
C
D
J
K
E
I
H
G
MACHINE COMPONENTS -- MULTI-LEVEL DUMP MODEL SHOWN
A. Hazard Light H. Hopper Support Bar B. Overhead Guard I. Main Brush Access Door C. Steering Wheel J. Operator Seat D. Engine Cover K. Scrub Attachment E. Hopper Cover L. Front Access Door F. Hopper Door M. Solution Tank Covers G. Side Brush
F
02746 04621
2-4
285 MM191 (12--- 89)
INSTRUMENT PANEL SYMBOLS
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The symbols are used to identify controls and displays on the machine:
OPERATION
Squeegee Up
Squeegee Down
Solution Flow
Diesel Off
Idle
Fast 1
Fast 2
Hopper Hold
Headlights
Hazard Light
Main Brush Free-Float
Main Brush Down
Main Brush Up
Engine Oil Pressure
Hopper Roll Out
Hopper Roll In/Out Hold
Hopper Roll In
Side Brush On
Hopper Up
Hopper Down
Engine Water Temperature
Hydraulic Fluid Temperature
Battery/Alternator/Charging System
Hopper Temperature --- Thermo Sentryt
Engine Shutdown
Fuel Level
285 MM191 (12--- 89)
2-5
OPERATION
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INSTRUMENT PANEL SYMBOLS (cont.)
Filter Shaker
Filter Clogged
Main Brush On
Hourmeter
Engine Start
Circuit Breaker 1
Circuit Breaker 2
Circuit Breaker 3
Circuit Breaker 4
Circuit Breaker 5
Circuit Breaker 6
Key Switch
Side Brush Down
Side Brush Up
Circuit Breaker 7
2-6
285 MM191 (12--- 89)
OPERATION
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V
U
L
K
G
G
(Gasoline and LPG
Diesel Powered
Machines
Q
P
R
powered machines below serial number 010750)
T
O
N
M
S
J
H
I
W
F
E
CONTROLS AND INSTRUMENTS
A. Brake Pedal M. Hopper Dump Lever B. Directional Pedal N. Hopper Lift and Side Brush Lever C. Parking Brake Lever O. Main Brush Position Lever D. Operator Seat P. Steering Wheel E. Squeegee Switch Q. Instrument Panel F. Water Valve Switch R. Horn Button G. Throttle Lever S. Side Brush Position Lever H. Hazard Light Switch T. Hopper Support Bar I. Engine Choke Knob U. Scrub Brush Position Lever J. Drive Lights Switch V. Solution Flow Knob K. Diesel Preheat Indicator W. Throttle Switch L. Diesel Preheat Pushbutton
C
A
B
D
05955 02747 05956 04638
285 MM191 (12--- 89)
2-7
OPERATION
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BRAKE PEDAL
The brake pedal operates the mechanical drum brakes on the two front wheels.
To stop the machine, return the directional pedal to neutral; then apply pressure to the brake pedal.
DIRECTIONAL PEDAL
The directional pedal controls the propelling drive. It is used to select the direction of travel and the propelling speed of the machine.
A
B
C
The weight lever has three positions. One for light operators, one for medium weight operators, and one for heavy operators. Pull the lever up for light operators; position the lever horizontally for medium operators; and down for heavy operators.
The backrest angle is adjusted by turning the knob. Turn the knob clockwise to decrease the angle and counter-clockwise to increase the angle.
The seat position is adjusted by pulling the lever in front of the seat out to the left, sliding the seat to a comfortable position and releasing the lever.
SQUEEGEE SWITCH
The squeegee switch is present on machines equipped with the rear squeegee or scrub attachment accessories. The switch controls the position of the rear squeegee.
To raise the rear squeegee, place the switch in the top (Squeegee Up) position. To lower the rear squeegee, place the switch in the bottom (Squeegee Down) position.
DIRECTIONAL PEDAL
00116
A. “Reverse” Position B. “Neutral” Position C. “Forward” Position
To travel forward, press the “toe” portion of the pedal; to travel backward, press the “heel” portion of the pedal. The propelling speed of the machine is regulated by varying the pressure on the pedal.
PARKING BRAKE LEVER
The parking brake lever operates the front wheel brakes. To engage the parking brake, push the parking brake handle down. To disengage the parking brake, pull the brake handle up. Always park on a level surface, stop the engine, and engage the parking brake before leaving the machine unattended and before working on the machine.
OPERATOR SEAT
The operator seat is three-way adjustable. It has adjustments to vary bounce, to vary the backrest angle, and to vary the front-to-rear seat position. of a fixed back style with a forward---backward adjustment. The operator seat also tilts forward to allow access to the fuel tank.
WATER VALVE SWITCH
The water valve switch is present on machines equipped with the scrub attachment accessory. The switch controls solution flow to the floor. The solution flow knob mounted on the scrub attachment controls the solution flow rate to the floor.
To start the solution flow to the floor from the scrub attachment tank, place the switch into the top position. To stop the solution flow to the floor, place the switch into the bottom position.
2-8
285 MM191 (12--- 89)
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