Alto 772 Operator's Manual
AMERICAN-LINCOLN
TECHNOLOGY
772
Operator's
Alto
Manual
American-Lincoln
Beginning with
Serial No. 102569
READ THIS BOOK!
This book has important information for the use and safe operation of this machine. Failure
to read this book prior to operating or attempting any service or maintenance procedure to
your machine could result in injury to you or to other personnel; damage to the machine or to
other property could occur as well. you must have training in the operation of this machine
before using it. If you or your operator (s) cannot read English, have this manual explained
fully before attempting to operate this machine.
Si Ud. o sis operadores no pueden leer el Inglés, se hagen explicar este manual
completamente antes de tratar el manejo o servicio de esta máquina.
772
Scrubmobile
ISO 9001
U
®
L
#
FILE A2287
All directions given in this book are as seen from the operator's position at the rear of the machine.
For new books, write to: Alto U.S., Inc., 1100 Haskins Road, Bowling Green, Ohio 43402
Part No. 2-86-00173 1994 American-Lincoln Technology®
931030
Printed in the USA
TABLE OF CONTENTS
MACHINE SPECIFICATIONS ........................................................................................................................... 1-5
MODEL H772 DIMENSIONS ............................................................................................................................. 1-10
SAFETY PRECAUTIONS .................................................................................................................................. 1-11
SAFETY DECALS ............................................................................................................................................. 1-12
MACHINE PREPARATION................................................................................................................................ 1-14
MACHINE SYSTEMS & CONTROLS ............................................................................................................... 1-15
FORD 3930 TRACTOR POWER UNIT..................................................................................................... 1-15
BRAKE CONTROLS ................................................................................................................................. 1-16
BRAKE PEDAL LOCK .............................................................................................................................. 1-16
PARKING BRAKE ..................................................................................................................................... 1-16
FOOT THROTTLE .................................................................................................................................... 1-16
DIFFERENTIAL LOCK .............................................................................................................................. 1-16
INDEPENDENT PTO CONTROL LEVER ................................................................................................. 1-16
8X2 TRANSMISSION GEARSHIFT LEVERS ........................................................................................... 1-17
CLUTCH.................................................................................................................................................... 1-17
BRUSH DRIVE AND CONTROL HYDRAULICS ....................................................................................... 1-17
SOLUTION TANKS ................................................................................................................................... 1-18
RECOVERY TANKS ................................................................................................................................. 1-18
VACUUM TURBINE .................................................................................................................................. 1-18
SOLUTION METERING SYSTEM ............................................................................................................ 1-18
SPLASH CONTROL SYSTEM .................................................................................................................. 1-18
SQUEEGEE CONTROL............................................................................................................................ 1-18
BRUSH DRIVE CONTROL ....................................................................................................................... 1-18
BRUSH DRIVE LOCK-UP......................................................................................................................... 1-18
RECOVERY SOLUTION LEVEL WARNING ............................................................................................ 1-18
TRACTOR CONTROLS AND INSTRUMENTS ................................................................................................. 1-19
LIGHT SWITCH ........................................................................................................................................ 1-19
KEY STARTER SWITCH .......................................................................................................................... 1-19
DIESEL ENGINE STOP CONTROL .......................................................................................................... 1-19
HAND THROTTLE .................................................................................................................................... 1-19
FUEL GAUGE ........................................................................................................................................... 1-19
TEMPERATURE GAUGE ......................................................................................................................... 1-19
WARNING LIGHTS................................................................................................................................... 1-19
HOUR METER .......................................................................................................................................... 1-19
TACHOMETER ......................................................................................................................................... 1-19
HORN BUTTON ........................................................................................................................................ 1-19
CAMEL RECYCLING SYSTEM CONTROL PANEL ......................................................................................... 1-20
CAMEL RECYCLING SYSTEM ON/OFF SWITCH .................................................................................. 1-20
SOLUTION HIGH WARNING LIGHT ........................................................................................................ 1-20
DETERGENT LOW WARNING LIGHT ..................................................................................................... 1-20
DETERGENT FLOW KNOB ..................................................................................................................... 1-20
THE SCRUBBING SYSTEM ............................................................................................................................ 1-21
THE BASIC SCRUBBING SYSTEM COMPONENTS .............................................................................. 1-21
THE STANDARD SCRUBBING SYSTEM - HOW IT WORKS ................................................................. 1-22
THE CAMEL SCRUBBING SYSTEM - HOW IT WORKS ......................................................................... 1-23
OPERATING INSTRUCTIONS .......................................................................................................................... 1-24
PRE-START CHECK-LIST ........................................................................................................................ 1-24
STARTING PROCEDURE-GASOLINE & LP ENGINES ......................................................................... 1-24
WARM WEATHER STARTING ................................................................................................................. 1-24
COLD WEATHER STARTING ................................................................................................................ 1-24
STARTING PROCEDURE-DIESEL ENGINES ......................................................................................... 1-25
WARM WEATHER STARTING ................................................................................................................. 1-25
COLD WEATHER STARTING ................................................................................................................ 1-25
COLD WEATHER STARTING AIDS ......................................................................................................... 1-25
THERMOSTAT .......................................................................................................................................... 1-25
COOLANT IMMERSION HEATER ............................................................................................................ 1-26
STARTING THE TRACTOR WITH JUMPER CABLES............................................................................. 1-25
STOPPING THE ENGINE ......................................................................................................................... 1-26
GASOLINE / LP ENGINES ....................................................................................................................... 1-26
DIESEL ENGINES .................................................................................................................................... 1-26
TO OPERATE THE TRANSMISSION ....................................................................................................... 1-27
TO DRIVE THE MACHINE........................................................................................................................ 1-27
TO OPERATE THE SCRUBBING EQUIPMENT....................................................................................... 1-27
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TABLE OF CONTENTS
TO OPERATE WHILE DOUBLE SCRUBBING ........................................................................................ 1-28
TO END THE SCRUBBING OPERATION ................................................................................................ 1-28
TO STOP THE ENGINE............................................................................................................................ 1-28
POST OPERATION INSTRUCTIONS - ENGINE STOPPED.................................................................... 1-29
TO CLEAN THE SOLUTION TANKS ...................................................................................................... 1-29
TO CLEAN THE RECOVERY TANK......................................................................................................... 1-29
TO OPERATE THE VACUUM WAND ...................................................................................................... 1-29
PUSHING OR TOWING ......................................................................................................................... 1-30
OPERATION ON GRADES ....................................................................................................................... 1-30
SERVICE INSTRUCTIONS ............................................................................................................................... 1-31
SERVICE CHART ..................................................................................................................................... 1-31
HELPFUL HINTS FOR CLEANING OPERATION .................................................................................... 1-33
BRUSH LOAD AND WEAR ...................................................................................................................... 1-34
SQUEEGEE TOOL FLOOR HEIGHT ADJUSTMENT ............................................................................... 1-34
SQUEEGEE TOOL LEVEL ADJUSTMENT .............................................................................................. 1-35
AUTOMATIC SQUEEGEE LIFT ADJUSTMENT ....................................................................................... 1-35
SQUEEGEE LIFT HEIGHT ADJUSTMENT .............................................................................................. 1-36
TURBINE BELT ADJUSTMENT ................................................................................................................ 1-36
SPLASH SKIRT ADJUSTMENT ................................................................................................................ 1-37
SERVICING THE RECOVERY TANK ....................................................................................................... 1-37
SERVICING THE SOLUTION TANK ........................................................................................................ 1-38
VACUUM RELIEF VALVE ......................................................................................................................... 1-38
CHECKING THE ENGINE OIL LEVEL ..................................................................................................... 1-39
CHANGING THE ENGINE OIL & FILTER ................................................................................................. 1-39
CHECKING THE ENGINE COOLING SYSTEM ....................................................................................... 1-40
CHECKING THE FUEL FILTER / SEDIMENT .......................................................................................... 1-40
SEPARATOR............................................................................................................................................. 1-40
SEDIMENT SEPARATOR ......................................................................................................................... 1-40
BLEEDING THE DIESEL FUEL SYSTEM ................................................................................................ 1-41
AIR CLEANER .......................................................................................................................................... 1-42
TRANSMISSION ....................................................................................................................................... 1-43
POWER STEERING HYDRAULICS ......................................................................................................... 1-44
HYDRAULIC LIFT SYSTEM (REAR AXLE) .............................................................................................. 1-45
HYDRAULIC OIL FILTER .......................................................................................................................... 1-45
LUBRICATION FITTINGS ......................................................................................................................... 1-45
ENGINE COOLING SYSTEM ................................................................................................................... 1-46
FAN BELT ADJUSTMENT ........................................................................................................................ 1-47
ALTERNATOR........................................................................................................................................... 1-47
REGULATOR (VOLTAGE) ........................................................................................................................ 1-47
BATTERY .................................................................................................................................................. 1-48
TIRES ..................................................................................................................................................... 1-48
FUEL INJECTION PUMP .......................................................................................................................... 1-48
BRAKE ADJUSTMENT ............................................................................................................................. 1-49
CLUTCH PEDAL ADJUSTMENT .............................................................................................................. 1-49
SPARK PLUGS ......................................................................................................................................... 1-50
DISTRIBUTOR POINTS............................................................................................................................ 1-50
VALVE CLEARANCES ............................................................................................................................. 1-50
FUEL INJECTORS .................................................................................................................................... 1-50
ENGINE SPEED ADJUSTMENT .............................................................................................................. 1-50
FRONT WHEEL BEARINGS .................................................................................................................... 1-50
STANDARD HARDWARE TORQUE VALUES ............................................................................................... 1-51
HYDRAULIC FITTING TORQUE CHART ....................................................................................................... 1-52
DECIMAL METRIC CONVERSION CHART ..................................................................................................... 1-53
TROUBLESHOOTING GUIDE - SCRUBBER SYSTEMS ............................................................................... 1-54
TROUBLESHOOTING GUIDE - HYDRAULIC SYSTEM ................................................................................. 1-55
TROUBLESHOOTING GUIDE - POWER STEERING SYSTEM ..................................................................... 1-56
TROUBLESHOOTING GUIDE - GASOLINE/DIESEL ENGINE SYSTEMS .................................................. 1-57
TROUBLESHOOTING GUIDE - LP ENGINES ............................................................................................... 1-58
TROUBLESHOOTING GUIDE - GENERAL ENGINE SYSTEM ...................................................................... 1-60
TROUBLESHOOTING GUIDE - CAMEL RECYCLING PUMP ........................................................................ 1-62
TROUBLESHOOTING GUIDE - CAMEL DETERGENT PUMP ........................................................................ 1-63
ELECTRICAL SCHEMATIC DIAGRAM .......................................................................................................... 1-64
ELECTRICAL CONNECTION DIAGRAM ......................................................................................................... 1-65
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TABLE OF CONTENTS
HYDRAULIC SCHEMATIC DIAGRAM - STANDARD MACHINE ..................................................................... 1-66
HYDRAULIC SCHEMATIC DIAGRAM -CAMEL MACHINE ............................................................................ 1-67
HARDWARE ABBREVIATIONS ........................................................................................................................ 1-68
ORDERING PARTS ........................................................................................................................................... 1-69
TABLE OF CONTENTS – CHAPTER 2 ............................................................................................................ 2-1
FRAME, BRACKETS & BUMPER ............................................................................................................ 2-2
BRUSH DRIVE ......................................................................................................................................... 2-4
BRUSH LIFT & SOLUTION CONTROL .................................................................................................... 2-6
TURBINE .................................................................................................................................................. 2-8
SQUEEGEE LIFT ...................................................................................................................................... 2-10
SQUEEGEE TOOL ................................................................................................................................... 2-12
SOLUTION TANK ..................................................................................................................................... 2-14
CAMEL SOLUTION TANK COMPONENTS ........................................................................................... 2-16
RECOVERY TANK.................................................................................................................................... 2-18
CAMEL RECOVERY TANK .................................................................................................................... 2-20
LIQUID PROPANE .................................................................................................................................... 2-22
EXHAUST SYSTEM .................................................................................................................................. 2-24
CAMEL RECYCLING SYSTEM ................................................................................................................ 2-26
HYDRAULICS (SCRUBBING SYSTEM) .................................................................................................. 2-28
CAMEL HYDRAULICS (SCRUBBING SYSTEM) ................................................................................... 2-30
ELECTRICAL ASSEMBLY ...................................................................................................................... 2-32
DECALS .................................................................................................................................................... 2-34
TABLE OF CONTENTS – CHAPTER 3 ............................................................................................................ 3-1
BRUSH OPTIONS .................................................................................................................................... 3-2
FOAM FILLED TIRES ............................................................................................................................... 3-3
FRONT BUMPER ..................................................................................................................................... 3-4
OVERHEAD GUARD ................................................................................................................................ 3-5
TURN SIGNAL OPTION ........................................................................................................................... 3-6
WARNING LIGHT OPTION ...................................................................................................................... 3-7
BRAKE LIGHT OPTION ............................................................................................................................ 3-8
CATALYTIC MUFFLER OPTION FOR GAS AND LP .............................................................................. 3-10
TRANSMISSION LOCK OUT ................................................................................................................... 3-11
VACUUM WAND ...................................................................................................................................... 3-12
INDEX ..................................................................................................................................................... 3-14
WARRANTY ..................................................................................................................................................... 3-17
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MACHINE SPECIFICATIONS
CLEANING PATH 72 inches
TRAVEL SPEED 1.3 - 14 MPH
TURNING RADIUS 117 inches
AISLE WIDTH FOR U-TURNS 20 Feet
DIMENSIONS
Length 138.50 inches
Width 93.3 inches
Height 66.5 Inches without Guard
WEIGHT 5800 lbs. Net
FRAME
Main frame assembly utilizes Ford 3930 Series industrial tractor as base component. All heavy-duty steel
construction.
POWER SOURCE
Available in gasoline, liquid propane (LP) or diesel power 45 P.T.O.-HP, 3-cylinder, liquid cooled, Ford 201
cu. in. industrial engine, electric start, Engine air filter, 17.3 gal. Fuel tank, LP model includes a 33 lb. tank
(ICC) and fittings, catalytic exhaust muffler to reduce emissions (Diesel model).
TRANSMISSION
8-speed forward, 2-speed reverse, manual high-low gear shift with foot operated clutch.
ELECTRICAL SYSTEM
12 volt, automotive type, with maintenance free battery.
HYDRAULIC SYSTEM
Heavy-duty Ford Tractor gear pump provides power to individually mounted brush drive motors. 2500 PSI
high pressure relief valve for squeegee and brush lift mechanisms.
SOLUTION TANKS
Two (2) 100 gallon capacity each, steel construction, one on each side, crossover allows filling from either
side, clean-out doors and oversize fill openings are standard.
RECOVERY TANK
One (1) 210 gallon capacity, steel construction, equipped with vacuum shut-off float activated when tank
reaches capacity. Clean-out doors anddump valves for easy draining.
VACUUM SYSTEM
Power provided by a regenerative air turbine, V-belt driven from the tractor PTO to 5,000 RPM.
SCRUBBING BRUSHES
Four (4) 18 inches diameter, disc type
Brushes are mounted to a 3/8" steel frame and are readily accessible. Hydraulic cylinder raises and lowers
brush assembly off ground level for travel and storage. Scrub brush discs are gimbals mounted to follow
irregular floor contours. One-piece or sectional brushes are available.
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772 Operator’s Manual
MACHINE SPECIFICATIONS
OPTIONAL BRUSHES
Bassine
Straight wire
Nylon
Amerfil (.025)
Amerfil (.040)
Amerfil and wire (One-piece only)
Amergrit
Supergrit
Soft Nylon
Crimped wire scarifier (sectional only)
SQUEEGEE ASSEMBLY
Two (2) overlapping, independently suspended double-bladed, gum rubber. Swivel caster allows adjustment
up and down for optimum pick-up pressure. Provides maximum recovery from cracks and porous surfaces.
Squeegees lift automatically when unit goes into reverse direction.
STEERING
Hydrostatic power steering.
BRAKES
Mechanical wet discs on individual rear wheels, separate parking brakecontrol.
CONTROLS
Key start ignition Tachometer,
Alternator warning light Recovery tank level warning light
Headlights Horn button
Rear reflectors Brush and squeegee raise/lower levers
Engine hour meter, PTO lever
Brush drive control Solution metering control.
BEARINGS & LUBRICATION
All ball bearings on rotating shafts are lubricated for long life and sealed against dust and foreign material.
Grease fittings are provided to allow for proper lubrication at all necessary points.
TIRES
Front (2) 7.50 - 18 pneumatic rubber
Rear (2) 13.6 - 28 pneumatic rubber
FILTERS
One (1) engine and one (1) hydraulic oil filter trap particles down to 10 microns in size.
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MACHINE SPECIFICATIONS
FORD 3930 TRACTOR SPECIFICATIONS
CAPACITIES
Fuel Tank 17.3 US gals.
Cooling System 11.2 US qt.
Power Steering System 2.3 US qt.
Engine Crankcase
With Filter Change 7 US qt.
Without Filter Change 6 US qt.
Hydraulic Lift System
(Rear Axle)
With Ind. P.T.O. 12.0 US gal.
Transmission
8 x 2 3.2 US gal.
ENGINE
Bore 4.4 in.
Stroke 4.4 in.
Displacement 201 cu. in.
Compression Ratio
Diesel/Gasoline 16.3:1 / 7.75:1
Firing Order 1 - 2 - 3
Idle Speed(rpm) 600-850
Maximum Speed: No Load (rpm)2175
Rated (rpm) 2000
Low Idle 600-850
Valve Clearance
(Lash) Warm
Engine
Intake 0.014 in. - 0.016 in.
Exhaust 0.017 in. - 0.019 in.
LUBRICANTS
All Ford Tractor lubricants are specially blended from select base stocks and premium additives for long life
and trouble-free service. The use of these lubrications is recommended as follows:
Oils:
Transmission/Rear Axle/hydraulic Sump Ford M2C134-D/C
Power Steering Pump Ford M2C134-D/C
Engine Crankcase Ford M2C121-E
(see note below)
Grease:
Front Wheel Bearings and all Grease Fittings-M1C75-A/B or M1C137-B
NOTE: Engine Crankcase Oils
1) Viscosity grade selection for your climate:(see Figure 2)
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772 Operator’s Manual
MACHINE SPECIFICATIONS
-25ºC
-10ºC
0ºC +32ºC
SAE 10W
SAE 10W-30
SAE 15W-40
SAE 30
-13ºF
P4840
OUTDOOR TEMPERATURES AND RANGES OF APPLICATION
In areas where prolonged periods of extreme temperatures are encountered, local lubricant practices are
acceptable, such as the use of SAE 5W, SAE 40 or SAE 50 grades of oil. These oils much be of API CD or
SF/CD Quality.
Engine crankcase oil drain intervals should be adjusted downward when diesel fuel sulfur content is above
0.5%. Consult your dealer for details of Engine Crankcase Oil Usage.
+14ºF +32ºF
+90ºF
COOLING SYSTEM
Type Pressurized liquid, re-circulating bypass
Water Pump
Type Centrifugal
Drive V-belt
Fan
Diameter 16 in.
Fan belt deflection 1/4 to 1/2 in. with 25 lbs. force applied midway between alternator and
crankshaft pulleys
Thermostat:
Starts to Open180° F
Fully Open203° F
Radiator Cap10 psi
ELECTRICAL SYSTEM
Alternator 12-volt
Output 55 amp. (STD)
Voltage Regulator Integral
Battery
Diesel Engine 107 amp. hour rating
Ground negative
Starting Motor positive engagement
Headlamp Sealed Beam Unit
(Std. Fenders) No. 4419
Headlamp (Opt. Flat Top Fenders)
Dual Beam (inner) Lamps No. 4460
Tail Lamp Bulb No. 1155
Flasher Warning Lamp Bulb No. 1156
Instruments and Warning
Light Bulb No. 1895
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MACHINE SPECIFICATIONS
IGNITION SYSTEM
Diesel
Type compression
Gasoline
Type spark
Method coil and distributor
Distributor Point Gap-Breaker 0.022-0.025 in.
Dwell Angle 35-38
Timing (at 600-700 rpm with vacuum line disconnected)
5 Deg. BTDC
Spark Plugs
Type Autolite AG5
Gap 0.023-0.027 in.
CLUTCH
w/Independent P.T.O. 13 in. single dry plate
Pedal Free Travel 1.1-1.6 In.
BRAKES
Type Mechanical, wet disc
Disc Diameter 8.0 in. O.D.,6.8 in. I.D.
No. Of Discs 3 Per Side
STEERING
Type Hydrostatic Power
Steering
Turns Lock-to-Lock 3.4
Pump
Type gear
FUEL SYSTEM
Carburetor (Gasoline):
Type Zenith
Injection Pump (Diesel)
Type Distributor
8 x 2 TRANSMISSION
ROAD SPEED IN MILES PER HOUR AND KILOMETERS PER HOUR
Gear 1450 RPM
1 1.2 MPH
2 1.51 MPH
3 2.65 MPH
4 3.60 MPH
5 4.31 MPH
6 5.38 MPH
7 4.46 MPH
8 12.85 MPH
R1 1.77 MPH
R2 6.20 MPH
Tire Size 13.6 x 28
Engine Speed
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772 Operator’s Manual
55.00
MACHINE DIMENSIONS
67.25
81.75
90.40
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84.50
138.50
SAFETY PRECAUTIONS
THE FOLLOWING STATEMENTS ARE USED THROUGHOUT THIS MANUAL AS INDICATED IN THEIR
DESCRIPTIONS:
DANGER
To warn of immediate hazards which will result in severe personal injury or death.
WARNING
To warn of hazards or unsafe practices which could result in severe personal injury or death.
CAUTION
To warn of hazards or unsafe practices which could result in minor personal injury.
ATTENTION
To warn of unsafe practices which could result in extensive equipment damage.
NOTE
To give important information or to warn of unsafe practices which could result in equipment damage.
The following information signals potentially dangerous conditions to the operator or equipment. Read this
manual carefully. Know when these conditions can exist. Then, take necessary steps to train machine operating personnel.
WARNING
Only enter and leave the machine from the right (curb) side using steps and handlebar provided.
Do not fill fuel tank with engine running. Do not smoke or use open flame near the fuel tank. Do not overfill LP
tank. Make sure fuel container and machine are electrically connected when refueling.
Lead acid batteries emit a highly explosive hydrogen gas that can be ignited by electrical arcing or by smoking.
Provide adequate ventilation system to properly expel discharged gases. Check exhaust system regularly for
leaks. Ensure that exhaust manifolds are secure and not warped.
Keep away from powerful vacuum fan suction at fan intake. Do not remove hose on fan intake housing while
running.
CAUTION
Avoid moving parts of the unit. Loose jackets, shirts or sleeves should not be permitted when working on
machine because of the danger of becoming caught in moving parts. Make sure all nuts and bolts are secure.
Keep shields and guards in position. If adjustments must be made while the unit is running, use extreme caution
around hot manifolds, moving parts, V-belts, etc. Disconnect positive battery terminal before removing instru-
ment panel.
Do not start machine unless you are in driver’s seat, with foot on brake pedal, or hand brake engaged, and
transmission in neutral position.
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SAFETY DECALS
THE FOLLOWING SAFETY DECALS ARE MOUNTED ON THE MACHINE. FIND AND NOTE THEIR LOCATION. REPLACE ALL SAFETY DECALS THAT ARE LOST OR ILLEGIBLE
CAUTION
FOR SAFETY, OBSERVE THE FOLLOWING WARNINGS. FAILURE TO COMPLY MAY CREATE A SERIOUS RISK OF
INJURY TO YOURSELF AND OTHERS. THIS MACHINE SHOULD NOT BE USED IN HAZARDOUS LOCATIONS
INCLUDING AREAS OF VOLATILE DUST OR VAPOR CONCENTRATIONS
1. Operators must be trained, Qualified and Understand the Operator’s Manual Before Starting.
2. Use caution when mounting and dismounting the machine particularly on wet surfaces.
3. Operate only from the designated operator’s position. Keep inside the body of the machine. Keep hands
and feet on the designated controls. Always operate in well Lighted areas.
4. Do not dump Hopper over an open pit or dock. Do not dump hopper when positioned on grade (Ramp).
Machine must be level (Horizontal).
5. The operator must exhibit extreme caution when negotiating, turning and traveling across grades or
ramps.
6. Start, stop, change directions, travel and brake smoothly. Slow down when turning. Avoid uneven surfaces
and loose materials.
7. Watch out for obstructions, especially overhead.
8. Carry no passengers on machine.
9. Set parking brake when leaving the machine. Chock (block) the wheels if the machine is to be parked on a
grade or ramp, or is to be worked on.
10. Never leave the operator’s seat with the engine running.
11. Report damage or faulty operation immediately. Do not operate the machine until repairs have been
WARNING
NO GASOLINE, COMBUSTIBLE OR FLAMMABLE MATERIAL IN THIS TANK USE DIESEL FUEL ONLY.
WARNING
1. NEVER FILL FUEL TANK WHILE ENGINE IS RUNNING
2. TO AVOID STATIC DISCHARGE, BE SURE FUEL CONTAINER AND MACHINE ARE GROUNDED
BEFORE POURING FUEL.
DO NOT FILL - LIQUID PROPANE ONLY
WARNING
ALWAYS SET PARKING BRAKE AND SHUT OFF ENGINE BEFORE LEAVING SEAT OF MACHINE.
WARNING
DO NOT REMOVE RADIATOR CAP WHILE ENGINE IS HOT. RADIATOR CORE MUST BE KEPT CLEAN TO PRE-
VENT OVERHEATING.
WARNING
KEEP HANDS AND CLOTHING AWAY FROM ROTATING FAN AND BELTS TO PREVENT SERIOUS INJURY
WARNING
START ENGINE ONLY FROM OPERATORS SEAT, IF SAFETY START SWITCH IS BY-PASSED, ENGINE CAN START
WITH TRANSMISSION IN GEAR.
DO NOT CONNECT OR SHORT ACROSS TERMINALS ON STARTER SOLENOID.
ATTACH BOOSTER CABLES AS SHOWN ON BATTERY DECAL.
STARTING IN GEAR CAUSING RUNAWAY, CAN RESULT IN SERIOUS INJURY.
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SAFETY DECALS
WARNING
BEFORE STARTING AND OPERATING:
-KNOW THE OPERATION AND SAFETY INSTRUCTIONS IN THE OPERATORS MANUAL,
AND ON THE TRACTOR.
-CLEAR THE AREA OF BYSTANDERS.
-LOCATE AND KNOW THE OPERATION OF ALL CONTROLS.
-FASTEN YOUR SEAT BELT.
START ENGINE ONLY FROM OPERATORS SEAT WITH TRANSMISSION IN NEUTRAL, P.T.O.DISENGAGED AND
HYDRAULIC CONTROLS IN LOWERED POSITION.
AVOID ACCIDENTAL CONTACT WITH THE GEARSHIFT LEVER WHILE THE ENGINE IS RUNNING. UNEXPECTED
TRACTOR MOVEMENT CAN RESULT.
SLOW DOWN ON TURNS, ROUGH GROUND AND SLOPES TO AVOID UPSET.
DO NOT PERMIT ANYONE BUT THE OPERATOR TO RIDE ON THE TRACTOR. THERE IS NO SAFE PLACE FOR
RIDERS.
LOCK BRAKES TOGETHER, USE WARNING LIGHT AND SMV EMBLEM WHILE DRIVING ON ROADS.
LOWER EQUIPMENT, PLACE GEAR SHIFT LEVERS IN NEUTRAL, STOP ENGINE AND APPLY PARKING BRAKE
BEFORE LEAVING TRACTOR SEAT.
FAILURE TO FOLLOW ANY OF THE INSTRUCTIONS ABOVE CAN CAUSE SERIOUS INJURY TO THE OPERATOR
OR OTHER PERSONS.
Replacement Materials Are Available From Your Local FORD New Holland Dealer or From:
FORD New Holland Service Publications - 500 Diller Ave. New Holland, Pa. 17557
WARNING
TO JUMP START
(Negative Grounded Battery)
1. SHEILD EYES.
2. CONNECT ONE END OF ONE CABLE TO POSITIVE [+] TERMINALS OF EACH BATTERY.
3. CONNECT ONE END OF OTHER CABLE TO NEGATIVE [ - ] TERMINAL OF GOOD BATTERY.
4. CONNECT OTHER END TO ENGINE BLOCK OF VEHICLE BEING STARTED. TO PREVENT
DAMAGE TO OTHER ELECTRICAL COMPONENTS ON VEHICLE BEING STARTED, MAKE
CERTAIN THAT ENGINE IS AT IDLE SPEED BEFORE DISCONNECTING JUMPER CABLES.
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Alto
MACHINE PREPARATION
772
American-Lincoln
P4330 FIGURE 3
MACHINE PREPARATION
YOUR AMER-CAN-LINCOLN 772 SCRUBMOBILE HAS BEEN SHIPPED COMPLETE, BUT DO NOT ATTEMPT TO OPERATE WITHOUT READING THE FOLLOWING INSTRUCTIONS.
1. Connect the squeegees.
2. Connect and tighten battery cables
3. Fill tank with appropriate fuel
WARNING
Never fill fuel tank while the engine is running. Always be sure the fuel dispenser and machine are electrically
connected before fueling. This can be easily done by providing an insulated wire (permanently attached to the
container) with battery clip on the other end.
4. Check engine crankcase oil level. Although properly lubricated at factory, check before starting engine.
No special break-in oil is used and recommended number of operating hours before the initial oil change is
50 hours. See lubrication and maintenance section of the Ford tractor manual.
5. Check radiator coolant level. Permanent type antifreeze is added at the factory to provide protection to
approximately -35ºF. To retain this protection level, always add ½ part water to ½ part anti-freeze.
6. In addition to regular service operations listed, the following items should be checked every 10 hours or
daily during the first 50 hours of operation.
-Transmission Oil Level
-Rear Axle Oil Level
-Rear Wheel Nuts for Tightness
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BRAKE PEDALS
MACHINE SYSTEMS & CONTROLS
RECOVERY SOLUTION
LEVEL WARNING
LIGHT
FORD TRACTOR
SQUEEGEE CONTROL
SOLUTION TANK
8 SPEED TRANSMISSION
SOLUTION TANK
BRUSH CONTROL
BRUSH DRIVE
CONTROL VALVE
RECOVERY
TANK
FORD 3930 TRACTOR POWER UNIT - Figure 4
The American-Lincoln H772 Scrubber utilizes a Ford Tractor Model 3930 as the power unit. The power unit
provides hydraulic power for the brush drive, squeegee and brush position functions. The independent Power
take off is used to drive the vacuum turbines.
This manual includes some pertinent Ford Tractor Operator’s Manual information for the 3930. Consult the
Ford 3930 Operator’s Manual for all other tractor related information. Parts for the 3930 power unit are
available from your local Ford New Holland Dealer.
Standard Features:
Tires:
SOLUTION CONTROL
SPLASH CONTROL
BRUSH DRIVE
PTO TURBINE DRIVE
CLUTCH
SQUEEGEE
TOOLS
P3982 FIGURE 4
-The Ford Tractor is equipped with an 8 x 2 speed mechanical foot clutch controlled transmission.
-The engine is governed at 1450-1500 RPM. Power take off is 435.
-Mechanical wet disc independently controlled brakes are provided for each rear wheel.
-Ford power steering is provided.
-Headlights and rear work light are provided.
-Differential lock for added traction (not used while scrubbing)
Pneumatic Type
Front 7.50 18 rim size
Rear 13.6 28 rim size
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MACHINE SYSTEMS & CONTROLS
P.T.O. CONTROL LEVER
PARKING BRAKE
BRAKE PEDAL HANDLE
BRAKE PEDAL LOCK
FOOT THROTTLE
P4232 FIGURE 5
BRAKE CONTROLS - Figure 5
The right brake pedal is used to brake the right rear wheel. The left pedal is used to brake the left rear wheel.
Depress both pedals simultaneously to stop the tractor.
BRAKE PEDAL LOCK - Figure 5
The brake pedal lock is used to lock the brake pedals together. Always lock the pedals together when the
tractor is operated at road speeds.
PARKING BRAKE - Figure 5
The parking brake handle is used to lock the brakes. Always apply the parking brake when the tractor is
parked.
To apply the brake:
1. Lock the parking brakes together with the brake pedal lock.
2. Pull up on the parking brake handle and turn it ¼ turn.
3. Depress both brake pedals.
To release the parking brake:
1. Turn the handle ¼ turn so the tabs will enter the slot in the handle guide.
2. Depress the brake pedals to release the ratchet.
3. Release he brake pedals.
FOOT THROTTLE - Figure 5
The foot throttle is used independently of the hand throttle to control the speed of the tractor. It is recommended that you use the foot throttle when driving on the highway.
IMPORTANT
When it is necessary to use the foot throttle, set the hand throttle to the idle position (fully forward).
DIFFERNTIAL LOCK - Figure 5 (not used for scrubbing)
The differential lock is used to lock the rear axle shafts together, providing additional traction in wet or loose
soil.
INDEPENDENT P.T.O. CONTROL LEVER - Figure 5
The P.T.O is “independent”, which means that is can be engaged or disengaged while the tractor is either
moving or stopped. To engage, move lever forward. Moving the lever fully in reverse will disengage the P.T.O.
and apply a P.T.O. brake. The brake will remain applied as long as the engine is running and the control lever
is rearward. When the engine is shut off, the brake will release so that the shaft can be turned by hand when
attaching equipment. On the H772 the P.T.O. is used to drive the vacuum turbine.
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MACHINE SYSTEMS & CONTROLS
8x2 SHIFT PATTERN
12 4
3
5
7R2
L
N
RI
8
N
6
N
H
CLUTCH PEDAL
HIGH-LOW SHIFT LEVER
P4234 FIGURE 6
8x2 TRANSMISSION GEARSHIFT LEVERS - Figure 6
The 8-speed transmission levers are used to select the appropriate gear for driving the machine. The transmission gear shift lever is the longer of the two levers and is used to select one of four forward speeds. The
High-Low shift lever is used to select either the High or Low range of forward and reverse gears. Placing the
lever in the forward position selects the low range. Always depress the clutch pedal before moving either of
the two levers.
A diagram of the shift pattern is provided directly below the Proof-Meter on the tractor.
See the chart on page 10 for gear and speed information.
CLUTCH - Figure 6
The foot-operated clutch pedal is used to engage/disengage the engine from the transmission while changing
gears and stopping. The pedal must be completely depressed, to stop forward travel of the tractor, or while
shifting gears.
BRUSH DRIVE & CONTROL HYDRAULICS
The transmission driven hydraulic pump, located in the differential housing, delivers 5.61 GPM at 1450 engine
RPM. Relief valve pressure is 2500 psi.
The rear axle differential and axle housings are used as the hydraulic reservoir. System capacity is 12 gal.
Pump pressure drives the four scrubbing brushes at 180 RPM at loads to 100 lbs. A directional spool valve
(see Figure 4) allows brush rotation in either direction.
The Ford Tractor hydraulic position control is used to raise and lower the squeegee independent of the
brushes.
The four 18" diameter disc brushes are raised and lowered independently with a separate directional valve
spool. A knob actuated lock-off valve is also provided to prevent leakdown when transporting long distances.
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MACHINE SYSTEMS & CONTROLS
SOLUTION TANKS
The machine is equipped with two, .125" thick tanks saddle mounted and interconnected. They may be filled
from wither side of the machine.
Each tank has an inlet filter screen to prevent contaminants from entering the metering valves.
Liquid cleaning compounds are added to the solution water in the tanks.
RECOVERY TANKS
The 210 gallon, .125" thick steel recovery tank is fitting with two pick up tubes and an air/water separation
system. Tank is fitted with clean out doors and drain valves.
P.T.O VACUUM TURBINE
One PTO belt driven turbine, at 5000 RPM, provides the air movement and water lift through the float manifold
system. The control lever is located below the brush drive valves and behind the solution control. To engage
the vacuum turbine move the lever forward.
SOLUTION METERING SYSTEM
The scrubbing solution is metered from the solution tanks by the “L” shaped lever control located in the left
side of the transmission housing above the clutch pedal (see Figure 4). Lift and position to start solution flow.
The solution is gravity fed to the center of the 4 scrubbing disc brushes. The maximum flow is 5gpm.
With brushes down solution lowering the lever stops flow. Solution flow also stop when brushes are raised
“full” up.
SPLASH CONTROL SYSTEM
The splash control system (see Figure 4) consists of flexible adjustable skirts as part of the brush drive
system. They provide containment of the shower few solution to a 72" path.
SQUEEGEE CONTROL
The squeegee control levels (see Figure 4) which are located at the driver’s right hand position, control the
squeegee position. The draft control lever is locked in one position at the factory near setting “2”. The other
lever is used to raise and lower the squeegees. Always position lever full “up” or full “down”.
With the squeegee is the full “down” position the squeegee will raise automatically when the manual transmission shift lever is moved to reverse gear position.
BRUSH DRIVE CONTROL
The two spool valve assembly at the operator’s left hand controls position and brush rotation. The handle
nearest to the operator controls the rotation of the brushes. Push forward or pull back to detented positions.
The other handle is pushed forward to lower the brushes to the floor and pull back to raise the brushes.
Always lower the brushes completely.
BRUSH DRIVE LOCK-UP
With brushes up for transporting or storage the small know controlled valve behind the brush raise-lower
handle can be closed by turning the knob clockwise until seated tightly.
RECOVERY SOLUTION LEVER WARNING
The red lens lamp (see Figure 4) flashes when the float controlled limit switch on the top of the recovery tank
is actuated by a water level 9" from the top of the tank. This indicates that the recovery tank needs to be
emptied.
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TRACTOR CONTROLS & INSTRUMENTS
- +
X100
15
10
25
20
5
0
ENGINE COOLANT
TEMPERATURE GAUGE
ENGINE OIL PRESSURE
WARNING LIGHT
HAND THROTTLE
FUEL GAUGE
ALTERNATOR
HOUR METER &
TACHOMETER
-+
WARNING LIGHT
AIR CLEANER
RESTRICTION
LIGHT SWITCH
WARNING LIGHT
HORN BUTTON
KEY STARTER SWITCH
DIESEL STOP CONTROL
P4230 FIGURE 7
LIGHT SWITCH - Figure 7
The light switch is a rocker ON/OFF switch. Depressing the rocker switch turns lights on or off.
KEY STARTER SWITCH - Figure 7
The key starter switch actuates the starter motor and the thermostat.
DIESEL ENGINE STOP CONTROL - Figure 7
Pull the stop control fully out to cut off the fuel supply to the injectors and stop the engine. The knob must be pushed fully in before
restarting the engine.
HAND THROTTLE - Figure 7
Pull the throttle down to increase engine rpm. Push the throttle up to decrease engine rpm.
FUEL GAUGE - Figure 7
The needle indicated the amount of fuel remaining in the tank.
TEMPERATURE GAUGE - Figure 7
The engine coolant temperature gauge indicates the temperature of the engine coolant. If the needle enters the red area of the gauge
while the engine is running, stop the engine and investigate the cause.
WARNING LIGHTS - Figure 7
When the key starter switch is turned “ON” the warning lights will come on. When the engine is running, the lights will go out as the
engine rpm is increased. If they do not go out:
Engine Oil Pressure Warning Light: Stop the engine immediately and investigate the cause. This indicates oil pressure only. The
operator must still check the crankcase from proper oil level.
Alternator Warning Light: It is an indication that the battery is not being charged. Investigate the cause as soon as possible, otherwise
the battery will become discharged.
Air Cleaner Restrict Warning Light: Illuminates when the air cleaner requires service and the engine is running. If the light illuminates
while the engine is running, stop the engine and service the air cleaner as described in the Ford Tractor maintenance section of this
manual.
HOUR METER - Figure 7
The hour meter indicated the time that the tractor has been operated, based on as average engine speed of 2055 rpm. Engine speeds
below 2055 rpm accumulate hours at a slower rate than clock hours. Engine speed above 2055 rpm build up hours faster than clock
hours. Use the hour meter as a guide to determine hourly service and maintenance intervals.
TACHOMETER - Figure 7
The tachometer indicates the engine rpm. Scrubber is operated at the full throttle (1450-1500rpm).
HORN BUTTON - Figure 7
The horn button is a momentary push button control located above the key switch.
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THE CAMEL RECYCLING SYSTEM CONTROL PANEL
DETERGENT FLOW
MIN
CB-1
RECYCLING
SYSTEM
OFF
ON
HIGH
SOLUTION
LOW
SOLUTION
C0431 FIGURE 8
THE CAMEL RECYCLING SYSTEM ON/OFF SWITCH - Figure 8
The Camel ON/OFF switch is used to turn the Camel Recycling System on and off.
SOLUTION HIGHT WARNING LIGHT - Figure 8
The solution high warning light will illuminate if the solution tank is too full of solution from the recycling system.
RECYCLING
LOW
DETERGENT
OFF
MAX
DETERGENT LOW WARNING LIGHT - Figure 8
The detergent low warning light will illuminate when the detergent tank is low, warning the operator to add
detergent.
DETERGENT FLOW KNOB - Figure 8
The detergent flow knob is a rotary control that regulates the detergent flow into the scrubbing solution. The
operator may choose from any detergent setting for light to heavy cleaning applications. The detergent light
will illuminate when the detergent tank is low, warning the operator to add detergent.
LOW SOLUTION WARNING LIGHT - Figure 8
The low solution warning light will illuminate when the solution tanks are low on solution. When this occurs
the recycling system switch should be turned on to begin recycling, which will fill the solution tanks.
RECYCLING LIGHT - Figure 8
The recycling light illuminates to indicate that the recycling system in on.
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THE BASIC SCRUBBING SYSTEM
D
C
A
B
B
HG
P3983 FIGURE 9
BASIC SCRUBBING SYSTEM COMPONENTS
A. Solution Feed Tubes D. Squeegee Tools G. Metering Valves
B. Solution Tubes E. Float Cage H. Scrub Brushes
C.Vacuum Tubes F. Recovery Tank
D
D
E
F
There are two scrubbing systems available for the 772 scrubmobile:
-Standard Scrubbing System (non-recycling)
-Camel Scrubbing System (with recovery to solution recycling)
Both Scrubbing Systems share the same basic components as shown in Figure 9.
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THE STANDARD SCRUBBING SYSTEM
SOLUTION
TANK
RECOVERY
TANK
FILTER
SCRUB
BRUSH
SQUEEGEE
FLOOR CONTACT
P4759
P4759 FIGURE 10
HOW IT WORKS
During the scrubbing process (Figures 9 &10), a solution of detergent and water from the solution tanks is fed
to the solution lines where it is disbursed to the floor through the four scrubbing brushes that aggressively work
to dislodge soilage.
As the machine moves forward, a high vacuum turbine system lifts dirty water and debris from floor surface,
through the squeegee tools and a recovery tank air/water separation system. A float switch in the tank activates a flashing light on the control panel when the water level in the tank becomes too high. Debris and
sludge settle to the bottom of the recovery tank.
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THE CAMEL SCRUBBING SYSTEM
DETERGENT
TANK
SOLUTION
TANK
SOLUTION
PUMP
RECOVERY
TANK
FILTER
FILTER
FLOW VALVE
ETERGENT
PUMP
SCRUB
SEPARATOR
BRUSH
SQUEEGEE
P4759a
FLOOR CONTACT
P4759a FIGURE 11
HOW IT WORKS
During the scrubbing process (Figures (9 & 11), filtered water from the solution tank is fed to the solution lines
where it combines with the detergent from the metering pumps. This mixture is then fed to the floor where four
disc scrubbing brushes aggressively work to dislodge soilage.
After scrubbing, the used dirty solution is vacuumed from the floor and discharged into the containment
chamber of the recovery tank. Once there a system of baffles helps to clarify the solution on its way to the
pumping chamber of the recovery tank. At intervals, a system of sensors activates the recycling pump which
sends filtered solution from the pumping chamber on its way to the centrifugal separator which aids in further
clarifying of the solution for re-use. In the separator, solids are removed and purged into the containment
chamber. The solids free solution is then fed up through the separator outlet and into the solution tank where it
is ready to be mixed with fresh, metered detergent to be used again as scrubbing solution.
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&
OPERATING INSTRUCTIONS
NOTE
A safety starter permits the starting motor to operate only when the
ELECTRICAL
EQUIPMENT OFF
ACCESSORIES ON
WARNING LIGHTS
INSTRUMENTS ON
THERMOSTAT
HEATER ON
STARTING
MOTOR ON
Always shift both levers to neutral before starting the engine. Never
attempt to start the engine while standing beside the tractor - Always sit
Do not crank the starting motor continuously for more than 30 seconds
P3850 FIGURE 13
PRE-START CHECKLIST
Before starting the machine perform the pre-start checklist:
-Check under the machine for leaks -Check engine coolant level
-Check hydraulic fluid level -Check fuel level gauge or LP tank gauge
-Check engine oil level -Check brake and controls for proper operation
-Check engine air filter -Open fuel shut off valve on fuel tanks.
STARTING PROCEDURE GASOLINE/LP ENGINE
Follow these steps to start the Gasoline/LP Engine:
Warm Weather Starting:
1. Depress the clutch pedal and move the shift levers to the neutral position.
2. Apply the parking brake.
3. Place the hydraulic control lever(s) in the neutral position.
4. Place the P.T.O. control lever in the disengaged position.
5. Open the hand throttle slightly.
6. Turn the key to its start position; when engine starts, release the key.
7. Check to ensure that all the warning lights go out indicating all tractor systems are properly functioning.
If the tractor fails to start, follow the instructions under “COLD WEATHER STARTING”
transmission high-low shift lever is in neutral.
CAUTION
in the seat.
IMPORTANT
to avoid starting motor failure.
Cold Weather Starting (Gasoline Engine):
1. Depress the clutch pedal and move the shift levers to the neutral position.
2. Apply the parking brake.
3. Place the hydraulic control lever(s) in the neutral position.
4. Place the P.T.O. control lever in the disengaged position.
5. Open the hand throttle slightly.
6. Pull the choke all the way out.
7. Turn the key to its start position; when engine starts, release the key.
8. Push the choke all the way in.
9. Check to ensure that all the warning lights go out indicating all tractor systems are properly functioning.
10. Run the engine at 1000rpm for 30 to 60 seconds before driving the tractor.
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OPERATING INSTRUCTIONS
STARTING PROCEDURE GASOLINE/LP ENGINE (cont.)
Cold Weather Starting (L/P Engines):
1. Depress the clutch pedal and move the shift levers to the neutral position.
2. Apply the parking brake.
3. Place the hydraulic control lever(s) in the neutral position.
4. Place the P.T.O. control lever in the disengaged position.
5. Open the hand throttle slightly and do not press the foot pedal.
6. Turn the key to its start position; when engine starts, release the key.
7. Check to ensure that all the warning lights go out indicating all tractor systems are properly functioning.
8. Run the engine at 1000 rpm for 30 to 60 seconds before driving the tractor.
If the engine fails to start, refer to the following instructions:
1. Momentarily depress the foot pedal to the floor.
2. Reposition the hand throttle to the fully closed position and start the engine.
STARTING PROCEDURE FOR THE DIESEL ENGINE
Follow these steps to start the diesel engine.
Warm Weather Starting:
1. Depress the clutch pedal and move the shift levers to the neutral position.
2. Apply the parking brake.
3. Place the hydraulic control lever(s) in the neutral position.
4. Place the P.T.O. control lever in the disengaged position.
5. Open the hand throttle halfway.
6. Turn the key to its start position; when engine starts, release the key.
7. Return the hand throttle to the idle position.
7. Check to ensure that all the warning lights go out indicating all tractor systems are properly functioning.
If the engine fails to start, follow the instructions under “Cold Weather Starting”.
Cold Weather Starting (Diesel Engines):
1. Depress the clutch pedal and move the shift levers to the neutral position.
2. Apply the parking brake.
3. Place the hydraulic control lever(s) in the neutral position.
4. Place the P.T.O. control lever in the disengaged position.
5. Open the hand throttle fully.
6. Turn the key to its start position; when engine starts, release the key.
7. After using the thermostat for 15 seconds turn the key start to the start position.
8. When the engine starts, return the throttle to the idle position and check to ensure all the warning lights
have been extinguished and the gauge readings are normal.
If the engine fails to start, repeat the foregoing procedure. If the engine still fails to start, wat 5 minutes for
battery to recover and repeat the procedure.
COLD WEATHER STARTING AIDS
WARNING
Ether starting aids are available for cold weather starting. Do not use ether in conjunction with thermostart.
Disconnect thermostat before using ether.
THERMOSTART:
The thermostart is available for all diesel tractors. The unit is effective in temperatures down to 0ºF. If colder
temperatures are encountered, a coolant immersion heater, described below, is recommended. The
thermostart element is installed in the air intake manifold. It introduces and ignites fuel in the manifold before it
enters the combustion chamber. The element is operated with the key starter switch. To start a cold engine
with the thermostart, follow the instructions in the diesel engine cold weather starting procedures.
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OPERATING INSTRUCTIONS
COOLANT IMMERSION HEATER (Accessory):
The coolant immersion heater consists of a heating element installed in the right side of the engine block. A
detachable cord is provided for plugging into an electrical outlet. The heater provides for easier starting by
warming the engine coolant and oil and is effective to -20ºF.
To operate the Heater:
1. Plug in the heater to a suitable 115-Volt outlet and leave for two hours before carrying out the cold weather
starting procedures.
2. Disconnect the heater from its power source and install the dust cover in the element.
The heater can be plugged in longer than two hours without damage but its effectiveness will not be increased.
When the heater is not in use, install the dust plug in the element.
STARTING THE TRACTOR WITH JUMPER CABLES:
Follow these instructions to start the engine with jumper cables.
If it is necessary to use jumper cables to start the engine, proceed with the following instructions. Connect one
end of the jumper cable to the tractor battery positive (+) terminal and the other to the auxiliary battery positive
(+) terminal. Connect one end of the other cable first to the auxiliary battery negative (-) terminal and the other
end to the tractor starter negative (-) terminal. Follow the starting procedures after the jumper cables are
connected.
Idle the engine and turn on all electrical equipment (lights, etc.), then disconnect the cables in reverse order of
the connective procedure above. This will help protect the alternator from damage due to extreme load
changes.
NOTE
Reversed battery polarity will damage the voltage regulator and alternator.
WARNING
Batteries contain sulfuric acid and produce explosive gases. Follow the instructions below to prevent personal
injury.
-Wear eye and skin protection
-Keep sparks and flames away
-Always have adequate ventilation while charging or using the battery
-Follow the battery manufacturer’s instruction which are shown on the battery
STOPPING THE ENGINE:
Follow these steps to stop the engine.
1. Reduce the engine speed to idle, then:
Gasoline Engines:
2. Turn the key starter switch, Figure 13, to the “OFF” position.
Diesel Engines:
2. Turn the key starter switch, Figure 13, to the “OFF” position, then pull the diesel stop control out and hold
until the engine stops.
NOTE
Failure to turn the key starter switch to the “OFF” position after the engine stops will result in the warning lights
remaining on, causing the battery to discharge.
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OPERATING INSTRUCTIONS
TO OPERATE THE TRANSMISSION
Follow these steps to operate the transmission.
When the high-low shift lever is in the low range, 1st, 2nd, 3rd, 4th, and (R1) gear ratios can be selected with the
gearshift lever. When the high-low lever is in the high range, 5th, 6th, 7th, 8th, and (R2) gear ratios can be
selected.
IMPORTANT
Avoid using the clutch pedal as a “footrest” (riding the clutch). Prolonged operation in this manner will cause
premature failure of the clutch components.
To change from one gear ratio to another, or to change ranges:
1. Depress the clutch pedal completely.
2. Bring the tractor to a complete stop.
3. Shift to the desired gear and/or range. (Do not attempt to change gears while the tractor is in motion).
WARNING
For your safety, always lock the brake pedals together when traveling at transport speeds. To lock the pedals
together, slide the lock pin across to engage in the hole in the underside of the right hand pedal.
TO DRIVE MACHINE (FOR TRANSPORT)
Follow these steps to drive (transport) the machine to the area to be cleaned.
1. Be sure the brushes and the squeegee are in the “up” position with all the other controls in the “OFF” po
sition. Rotate the knob on the brush drive lock-up valve clockwise to hold the scrub deck in the “up”
position.
2. Release the parking brake.
3. Transport may be done using either the foot throttle or the hand throttle. (For high speed transport, the
foot throttle is recommended).
4. Depress the clutch, select the proper gear for desired transport speed with the transmission lever(s),
slowly release the clutch pedal until the clutch is completely engaged.
5. To stop, depress the brakes, depress the clutch and reduce the throttle speed to idle.
6. Set the parking brake.
TO OPERATE THE SCRUBBING EQUIPMENT
Follow these steps to begin the cleaning operation.
1.Fill the solution tanks.
Standard machine: Mix the detergent and water to the proper ratio for the cleaning task at hand. (Follow
the detergent Mfgr’s recommended mixing ratio). Fill the tanks through the one or both of the fill doors
on top of the solution tanks.
Camel machine: Fill the detergent tank with straight detergent. Fill the solution tanks with straight water.
If there is no static water already on the area to be cleaned; the recovery tank can be filled also. This
will provide additional “scrub” time. When filling the Camel recovery tanks, take care not to fill the
center section of the tank. The left and right sides of the recovery tank can be filled to a maximum
of 2/3 full. Do not fill the center section of the recovery tank.
2. Transport the machine to the area to be scrubbed.
3. Release the brush deck by turning the “brush deck lock-up valve” counterclockwise. Lower the brush deck
by pushing the brush deck lift handle forward. The lever is located on the outbound side of the “brush
deck control valve” assembly (see Figure 4).
4. Increase tractor engine speed to full governed speed: 1450-1500 rpm.
5. Lower the squeegees to the floor by positioning the quadrant lever to the pulled back position. (The
squeegee will not lower until the transmission is placed in either 1st or 2nd gear).
6. Turn on the vacuum turbine by engaging the P.T.O. lever. Moving the lever to the forward position (see
Figure 5) does this. Once the P.T.O. lever is engaged, the vac turbine will come on when the squeegees
are lowered.
7. Check the squeegees for proper deflection of the squeegee rubber.
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OPERATING INSTRUCTIONS
TO OPERATE THE SCUBBING EQUIPMENT (cont.)
Follow these steps to operate the scrubbing equipment.
1. Engage the solution flow
Standard Machine: Lift the solution control lever located near the operator’s left foot (see Figure 4).
Camel Machine: Turn on the “Recycling System” switch and dial in the desired detergent flow (see Figure
8).
2. Engage brush rotation by moving the inboard lever on the brush control valve (see Figure 4). Placingthe
lever forward is for scrubbing while moving forward, and placing the lever backwards is for scrubbing while
moving in reverse (see double scrubbing operation)
3. Begin scrubbing
NOTE
To avoid leaving solution on the floor, stop solution flow 20' before turning or stopping.
TO OPERATE WHILE DOUBLE SCRUBBING
Follow these instructions to operate while double scrubbing.
When heavy soil build-up is present, additional chemical solution time and extra scrubbing may be desirable.
NOTE
This procedure can only be used if safety conditions are controlled for wet flooring.
-Do not lower the squeegee, and scrub in forward direction.
-Reverse the brush rotation and scrub backward over the area just scrubbed.
-Reverse the brush rotation, lower the squeegees and scrub entire are again. This time the squeegees will
remove all the dirty solution.
TO END THE SCRUBBING OPERATION
Follow these steps to stop the scrubbing operation.
Discontinue scrubbing whenever a “solution low”, “detergent low’, “high solution”, or “high recovery” light is
illuminated.
1. Shift transmission levers into neutral.
2. Reduce engine rpm to idle.
3. Apply parking brake.
4. Stop the solution flow
Standard & Camel Machine: Lift the “solution control lever” located near the operator’s
left foot (see Figure 4).
Camel Machine: Turn on the “Recycling System” switch and dial in desired detergent
flow (see Figure 8).
5. Stop the brush rotation by placing the “brush rotation control” lever in the center position.
6. Raise the brush deck by pulling the “brush deck lift control” lever backwards.
7. Raise the squeegee tools by pushing the “quadrant lever” all the way forward and down.
8. Stop the vacuum turbine by pulling the P.T.O. lever all the way back.
9. Transport the machine to appropriate are for Post Operation cleaning and service.
10. Shut down engine.
TO STOP THE ENGINE
Follow these steps to stop the engine.
1. Reduce the engine speed to idle, then:
Gasoline Engines:
2. Turn the key starter switch to the “OFF” position (see Figure 13).
Diesel Engines:
2. Turn the key starter switch to the “OFF” position (see Figure 13), then pull the diesel stop control out and
hold until the engine stops.
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OPERATING INSTRUCTIONS
POST-OPERATION INSTRUCTIONS - ENGINE STOPPED
Perform these steps after the machine has been shut down.
-Close the LPG fuel valve as required.
-Check for string or wire tangled on scrub brushes.
-Check scrub brushes for wear or damage.
-Check squeegees for wear, damage, or adjustment.
-Drain and clean recovery tanks.
-Clean the recovery tank’s screen and float.
-Check vacuum pipes and hoses for obstructions.
-Check the slash skirt for wear, damage, or adjustment.
-Check the outlet strainers in the solution tanks for contamination.
-Fill fuel tank
-Check for leaks
TO CLEAN THE SOLUTION TANKS
Follow these instructions to clean the solution tanks after every scrubbing cycle.
Standard Machine:
-Inspect, remove, and clean the solution inlet filter on the bottom of the LH & RH tanks.
-Flush the sediment accumulations from the floor of the tanks.
Camel Machine:
-Inspect, remove, and clean the solution inlet filter on the bottom of the LH & RH tanks.
-Dirt and sludge build-up can be flushed out the pipe plugs located at the rear of the tanks.
-Disconnect and clean the crossover hoses periodically or as often as needed depending on service
conditions.
TO CLEAN THE RECOVERY TANK
Follow these instructions to clean the recovery tank after every scrubbing cycle.
Standard & Camel Machines:
-Position a corner of the machine near a floor drain.
-Standard Machine - open a drain valve.
-Camel Machine - Release the drain hose, lower it to the drain and open the hose end plug
-Open all clean out doors. Use a hose and squeegee to remove the dirt and sludge from to bottom of
the tank.
-Remove the clean out caps located on top of the recovery tank. Inspect and flush the pickup tubes
and squeegee hoses.
TO OPERATE THE VACUUM WAND (Option)
The vacuum wand gives the machine the added flexibility of picking up spills not accessible by the machine. A
15' hose utilizes the machine vacuum system.
WARNING
Use the vacuum wand option only if the machine can be locates on level surface
TO OPERATE THE VACUUM WAND
1. Stop the engine and engage the machine parking brake
WARNING
Always engage the parking brake before operating the vacuum wand.
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772 Operator’s Manual
OPERATING INSTRUCTIONS
TO OPERATE VACUUM WAND (cont.)
2. Remove wand and hose assembly from mounting clips on top of the tanks.
3. Push hose end unto 1.50" fitting located on the left hand squeegee assembly.
4. Position the LH squeegee valve to connect the pick up hose to the vacuum wand hose by moving flat lever
to the left to stop position.
5. Position the right hand squeegee valve lever to the left to close off the right hand pickup hose.
6. Start the engine.
7. Place throttle in the “full” rpm position.
8. When finished, shut off the engine.
9. Remove and store vacuum wand and hose.
10. Reposition squeegee hoses by moving both levers full right.
IMPORTANT
The pickup hose assembly can also be used as a sumping system. When the pickup hose is submerged continu-
ously the engine rpm must be reduces to 1000-rpm max. to prevent overload of the vacuum system drive belts.
PUSHING OR TOWING
The machine may be pushed or towed with transmission shift levers in neutral at speeds appropriate for safety.
OPERATION ON GRADES
The machine may be operated on grades up to 12º if the surface provides adequate traction.
WARNING
Always test wet surface traction part way up or part way down sloped area so that if slipping does occur, control
can be regained before reaching the bottom of the slope.
American-Lincoln Technology 1-30
772 Operator’s Manual
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