Tennant 550 User manual

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(Operator Manual)

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GENERAL INFORMATION
i
550 MM148 (6–97)
SAFETY PRECAUTIONS
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 of
equipment.
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 Designed For Use In Those
Areas.
– In Areas With Possible Falling Objects
Unless Equipped With Overhead
Guard.
2. Before Starting Machine:
– Check For Fuel Leaks.
– Keep Sparks And Open Flame Away
From Refueling Area.
– Make Sure All Safety Devices Are In
Place And Operate Properly.
– Check Brakes And Steering For Proper
Operation.
3. When Starting Machine:
– Keep Foot On Brake And Directional
Pedal In Neutral.
4. When Using Machine:
– Use Brakes To Stop 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.
– Report Machine Damage of Faulty
Operation Immediately.
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.
– Block Machine Tires Before Jacking
Machine Up.
– Jack Machine Up At Designated
Locations Only. Block Machine Up
With Jack Stands.
– Use Hoist Or Jack Of Adequate
Capacity To Lift Machine.
– Wear Eye And Ear Protection When
Using Pressurized Air Or Water.
– Disconnect Battery Connections
Before Working On Machine.
– Avoid Contact With Battery Acid.
– Avoid Contact With Hot Engine
Coolant.
– Allow Engine To Cool.
– Keep Flames And Sparks Away From
Fuel System Service Area. Keep Area
Well Ventilated.
– Use Cardboard To Locate Leaking
Hydraulic Fluid Under Pressure.
– Use TENNANT Supplied Or Approved
Replacement Parts.
WARNING: Engine 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: Machine Can Emit Excessive
Noise. Consult With Your Regulatory
Agency For Exposure Limits. Hearing
Loss Can Result. Wear Hearing
Protection.
WARNING: Flammable Materials Can
Cause An Explosion Or Fire. Do Not Use
Flammable Materials In Tank(s).

GENERAL INFORMATION
550 MM148 (6–97)
ii
WARNING: Explosion or fire could
occur:
–If machine is used to pick up
flammable spills from floors.
–If machine picks up reactive metals,
such as aluminum or magnesium.
Reactive metals and some detergents
form explosive hydrogen gas. Contact
Tennant Company for appropriate
detergent selection.
WARNING: Moving Belt. Keep Away.
WARNING: Moving Fan Blades. Keep
Away.
WARNING: Raised Scrub Head May Fall.
Block Scrub Head Up.
WARNING: Crush Hazard Between Front
And Rear Halves Of Machine. Engage
Pivot Lock.
WARNING: Strong Vacuum. Keep Away
From Fan Inlet When Fan Is Running.

GENERAL INFORMATION
iii
550 MM148 (9–88)
The following safety decals are mounted on the
machine in the locations indicated. If these, or any
decal becomes damaged or illegible, install a new
decal in its place.
TRAVEL SPEED CAUTION DECAL –
LOCATED ON THE SIDE OPERATOR
PANEL
SCRUB HEAD LOCK WARNING DECAL
–LOCATED ON THE SCRUB HEAD
03784
ENGINE FAN WARNING DECAL –
LOCATED ON THE FAN SHROUD
FAN SUCTION DANGER DECAL –
LOCATED ON THE SOLUTION TANK
03788
PINCH SPACE DANGER DECAL –
LOCATED ON THE SOLUTION TANK
03785
03787
03786
00291

GENERAL INFORMATION
550 MM148 (9–88)
iv

GENERAL INFORMATION
v
550 MM148 (8–94)
CONTENTS
Page
GENERAL INFORMATION i. . . . . . . . . . . . . .
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 2-4. . . . . . .
INSTRUMENTS AND CONTROLS 2-5
BRAKE PEDAL 2-6. . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL 2-6. . . . . . . . . . .
OPERATOR SEAT 2-6. . . . . . . . . . . . . . .
SCRUB HEAD LOCK LEVER 2-6. . . . .
PIVOT LOCK PIN 2-7. . . . . . . . . . . . . . .
PARKING BRAKE LEVER 2-7. . . . . . . .
AMMETER 2-7. . . . . . . . . . . . . . . . . . . . .
SQUEEGEE POSITION LAMP 2-7. . . .
TANK DRAIN LAMP 2-7. . . . . . . . . . . . .
SCRUB BRUSH PRESSURE LAMP 2-7
IGNITION SWITCH 2-7. . . . . . . . . . . . . .
DIESEL PRE-HEAT INDICATING
LAMP 2-7. . . . . . . . . . . . . . . . . . . . . . .
OPERATING LIGHTS SWITCH 2-8. . .
ROTATING LIGHT SWITCH 2-8. . . . . .
HAZARD LIGHT SWITCH 2-8. . . . . . . .
FUEL LEVEL GAUGE 2-8. . . . . . . . . . . .
PANEL LAMP 2-8. . . . . . . . . . . . . . . . . . .
FUSES 2-8. . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE HOUR METER 2-8. . . . . . . . . .
ENGINE OIL PRESSURE GAUGE 2-8
ENGINE COOLANT TEMPERATURE
GAUGE 2-8. . . . . . . . . . . . . . . . . . . . .
SQUEEGEE SWITCH 2-8. . . . . . . . . . . .
SCRUB BRUSH LEVER 2-9. . . . . . . . . .
SCRUB HEAD POSITION LEVER 2-9.
SRSLIQUID LOW LEVEL LAMPS 2-9
SRSCLEANING SOLUTION
FLOW KNOB 2-9. . . . . . . . . . . . . . . .
Page
SOLUTION LEVER 2-9. . . . . . . . . . . . . .
ENGINE CHOKE KNOB 2-9. . . . . . . . . .
THROTTLE LEVER 2-9. . . . . . . . . . . . . .
STEERING WHEEL 2-9. . . . . . . . . . . . .
MACHINE OPERATION 2-10. . . . . . . . . . . . .
NORMAL SCRUBBING OPERATION 2-10
PRE-START CHECKLIST 2-10. . . . . .
TO START MACHINE 2-10. . . . . . . . .
TO FILL SOLUTION TANK 2-11. . . . .
TO SCRUB 2-11. . . . . . . . . . . . . . . . . .
TO DRAIN AND CLEAN RECOVERY
TANK AND EMPTY HOPPER 2-12
POST OPERATION CHECKLIST –
ENGINE OPERATING 2-13. . .
TO STOP MACHINE 2-13. . . . . . . . . .
POST OPERATION CHECKLIST –
ENGINE STOPPED 2-13. . . . .
DOUBLE SCRUBBING OPERATION 2-13
OPERATION ON GRADES 2-13. . . . . . .
MACHINE TROUBLESHOOTING 2-14.
OPTIONS OPERATION 2-15. . . . . . . . . . . . .
HIGH PRESSURE SPRAYER 2-15. . . . .
TO OPERATE HIGH PRESSURE
SPRAYER 2-15. . . . . . . . . . . . .
VACUUM WAND 2-15. . . . . . . . . . . . . . . .
TO OPERATE VACUUM WAND 2-15
TRANSPORTING MACHINE 2-16. . . . . . . . .
PUSHING OR TOWING MACHINE 2-16
MACHINE JACKING LOCATIONS 2-17.
MACHINE STORAGE 2-18. . . . . . . . . . . . . . .
STORING MACHINE 2-18. . . . . . . . . . . .
GASOLINE POWERED
MACHINES 2-18. . . . . . . . . . . . . . .
DIESEL POWERED MACHINES 2-19
MAINTENANCE 3-1. . . . . . . . . . . . . . . . . . . . . . .
RECOMMENDED FIRST 50-HOUR
MACHINE INSPECTION 3-3. . . . . . . . . . . .
MAINTENANCE CHART 3-4. . . . . . . . . . . .
LUBRICATION 3-6. . . . . . . . . . . . . . . . . . . . .
ENGINE 3-6. . . . . . . . . . . . . . . . . . . . . . . .
GASOLINE AND LPG POWERED
ENGINES 3-6. . . . . . . . . . . . . . . . .
DIESEL POWERED ENGINES 3-6.
VACUUM FAN SHAFT 3-6. . . . . . . . . . .
MACHINE PIVOT 3-7. . . . . . . . . . . . . . .
SCRUB HEAD PIVOT 3-7. . . . . . . . . . . .
SCRUB HEAD HINGES 3-8. . . . . . . . . .
REAR SQUEEGEE CASTERS 3-8. . . .
SCRUB BRUSH IDLER PLUGS 3-8. . .
REAR WHEELS 3-8. . . . . . . . . . . . . . . . .
HYDRAULICS 3-9. . . . . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID 3-9. . . . . . . . . . . . .
HYDRAULIC FLUID RESERVOIR 3-9.
TO DRAIN THE HYDRAULIC FLUID
RESERVOIR 3-10. . . . . . . . . . .

GENERAL INFORMATION
550 MM148 (6–96)
vi
Page
TO FILL THE HYDRAULIC FLUID
RESERVOIR 3-10. . . . . . . . . . .
HYDRAULIC FLUID RESERVOIR
BREATHER 3-11. . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID FILTER 3-11. . . . . .
TO REPLACE THE HYDRAULIC
FLUID FILTER ELEMENT 3-11. .
HYDRAULIC FLUID LEAKS 3-11. . . . . .
HYDRAULIC COMPONENTS
TROUBLESHOOTING 3-12. . . . . . . .
ENGINE 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . . .
LUBRICATION 3-13. . . . . . . . . . . . . . . . . . . .
GASOLINE AND LPG POWERED
ENGINES 3-13. . . . . . . . . . . . . . . . . .
DIESEL POWERED ENGINES 3-13. . .
COOLING SYSTEM 3-13. . . . . . . . . . . . . . .
AIR INTAKE SYSTEM 3-14. . . . . . . . . . . . .
AIR FILTER SERVICE
INDICATOR 3-14. . . . . . . . . . . . . . .
AIR FILTER 3-14. . . . . . . . . . . . . . . . . . . .
TO REPLACE AIR FILTER
ELEMENT 3-15. . . . . . . . . . . . . . . . . .
FUEL SYSTEM –GASOLINE 3-16. . . . . . .
FUEL FILTER 3-16. . . . . . . . . . . . . . . . . .
CARBURETOR 3-16. . . . . . . . . . . . . . . . .
FUEL SYSTEM –LPG 3-17. . . . . . . . . . . . .
LPG FUEL SYSTEM 3-17. . . . . . . . . . . .
FUEL TANKS 3-17. . . . . . . . . . . . . . . . . .
TO CHANGE AN LPG FUEL
TANK 3-18. . . . . . . . . . . . . . . . . . . . . .
FUEL FILTER LOCK 3-19. . . . . . . . . . . .
VAPORIZER-REGULATOR 3-19. . . . . .
CARBURETOR 3-19. . . . . . . . . . . . . . . . .
OIL PRESSURE SWITCH 3-19. . . . . . .
LPG FUEL TROUBLESHOOTING 3-20
FUEL SYSTEM –DIESEL 3-21. . . . . . . . . .
FUEL WATER TRAP 3-21. . . . . . . . . . . .
TO CLEAN WATER TRAP 3-21. . . . . . .
FUEL FILTER 3-21. . . . . . . . . . . . . . . . . .
TO REPLACE FUEL FILTER (For
machines below serial number
005002) 3-21. . . . . . . . . . . . . . . . .
TO REPLACE FUEL FILTER (For
machines serial number 005002
and above) 3-21. . . . . . . . . . . . . . .
FUEL INJECTION PUMP 3-22. . . . . . . .
FUEL INJECTORS 3-22. . . . . . . . . . . . .
PRIMING THE FUEL SYSTEM 3-23. . .
GOVERNOR, F163 –GASOLINE,
LPG 3-23. . . . . . . . . . . . . . . . . . . . . . . .
TO ADJUST GOVERNOR, F163 3-24
GOVERNOR, TM27 –GASOLINE,
LPG 3-24. . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL SYSTEM 3-25. . . . . . . . . .
SPARK PLUGS 3-25. . . . . . . . . . . . . .
DISTRIBUTOR 3-26. . . . . . . . . . . . . . .
DISTRIBUTOR IGNITION
TIMING 3-26. . . . . . . . . . . . . . . . . . .
Page
CYLINDER HEAD –GASOLINE,
LPG 3-27. . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD BOLT
TIGHTENING 3-27. . . . . . . . . . . . .
VALVE TAPPET CLEARANCE 3-28. . . .
CYLINDER HEAD –DIESEL 3-28. . . . . .
CYLINDER HEAD BOLT
TIGHTENING 3-28. . . . . . . . . . . . .
VALVE TAPPET CLEARANCE 3-28. . . .
PCV SYSTEM 3-29. . . . . . . . . . . . . . . . . .
TUNE-UP CHART –GASOLINE,
LPG 3-29. . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL SYSTEM 3-30. . . . . . . . . . . . .
BATTERY 3-30. . . . . . . . . . . . . . . . . . . . . .
BELTS AND CHAINS 3-31. . . . . . . . . . . . . . .
VACUUM FAN DRIVE BELT 3-31. . . . . .
TO ADJUST VACUUM FAN
DRIVE BELT 3-31. . . . . . . . . . . . . .
INTERMEDIATE DRIVE BELT 3-32. . . .
TO ADJUST INTERMEDIATE
DRIVE BELT 3-32. . . . . . . . . . . . . .
ALTERNATOR AND RADIATOR
FAN BELT 3-32. . . . . . . . . . . . . . . . . . .
TO ADJUST ALTERNATOR AND
RADIATOR FAN BELT 3-32. . . . . .
SCRUB HEAD 3-33. . . . . . . . . . . . . . . . . . . . .
SCRUB HEAD 3-33. . . . . . . . . . . . . . . . . .
TO ADJUST SCRUB HEAD
HEIGHT 3-33. . . . . . . . . . . . . . . . . .
TO ADJUST SCRUB BRUSH
PATTERN 3-33. . . . . . . . . . . . . . . . .
SCRUB BRUSHES 3-35. . . . . . . . . . . . . .
TO REPLACE SCRUB BRUSHES 3-35
SOLUTION SYSTEM 3-37. . . . . . . . . . . . . . .
RECOVERY TANK 3-37. . . . . . . . . . . . . .
WATER SPRAY DEFLECTOR 3-37. . . .
SRSWATER SPRAY DEFLECTOR 3-38
SRSSOLUTION TANK 3-39. . . . . . . . . .
SOLUTION DISPENSING TUBE 3-40. .
SRSCLEANING SOLUTION
FILTER 3-40. . . . . . . . . . . . . . . . . . . . . .
SRSMETERING SOLUTION
PUMP 3-40. . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 3-40. . . . . . . .
SQUEEGEES 3-41. . . . . . . . . . . . . . . . . . . . . .
SIDE SQUEEGEES 3-41. . . . . . . . . . . . .
REAR SQUEEGEE 3-41. . . . . . . . . . . . . .
TO REPLACE REAR SQUEEGEE
BLADES 3-42. . . . . . . . . . . . . . .
TO FACTORY ADJUST REAR
SQUEEGEE 3-42. . . . . . . . . . . . . .
TO ADJUST REAR SQUEEGEE 3-45
BRAKES AND TIRES 3-47. . . . . . . . . . . . . . .
SERVICE BRAKES 3-47. . . . . . . . . . . . . .
PARKING BRAKES 3-47. . . . . . . . . . . . . .
TIRES 3-48. . . . . . . . . . . . . . . . . . . . . . . . .
OPTIONS 3-49. . . . . . . . . . . . . . . . . . . . . . . . .
HIGH PRESSURE SPRAYER 3-49. . . . .

GENERAL INFORMATION
vii
550 MM148 (6–96)
Page
APPENDIX 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
HARDWARE INFORMATION 4-3. . . . . . . .
STANDARD BOLT TORQUE CHART 4-3
METRIC BOLT TORQUE CHART 4-3.
BOLT IDENTIFICATION 4-4. . . . . . . . . .
THREAD SEALANT AND LOCKING
COMPOUNDS 4-4. . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . .
HOW TO USE THIS MANUAL 5-1. . . . . . . . . . .
IMPORTANT INFORMATION 5-1. . . . . . . .
FINDING A TENNANT PART NUMBER 5-2
PLACING AN ORDER 5-3. . . . . . . . . . . . . .
STANDARD PARTS 6-1. . . . . . . . . . . . . . . . . . . .
Fig. 1 –Recommended General
Maintenance Items 6-3. . . . . . . . .
Fig. 2 –Replacement Brushes 6-5. . . . . . . . . .
Fig. 3 –Seat Group 6-6. . . . . . . . . . . . . . . . . . .
Fig. 4 –Main Frame Group 6-8. . . . . . . . . . . . .
Fig. 5 –Noise Insulation Group 6-10. . . . . . . .
Fig. 6 –Hopper Group 6-11. . . . . . . . . . . . . . . .
Fig. 7 –Scrub Head Lift Group 6-12. . . . . . . . .
Fig. 8 –Solution Supply and Control
Group 6-14. . . . . . . . . . . . . . . . . . .
Fig. 9 –Right Side Squeegee Assembly 6-16
Fig. 10 –Left Side Squeegee Assembly 6-18.
Fig. 11 –Front Brush Drive Components
Group 6-20. . . . . . . . . . . . . . . . . . .
Fig. 12 –Front Brush Idler Assembly 6-21. . . .
Fig. 13 –Rear Brush Idler Assembly 6-22. . . .
Fig. 14 –Rear Brush Drive Components
Group 6-23. . . . . . . . . . . . . . . . . . .
Fig. 15 –Steering Column Group 6-24. . . . . . .
Fig. 16 –Front Wheel Assembly 6-26. . . . . . . .
Fig. 17 –Front Wheel Drive Group 6-27. . . . . .
Fig. 18 –Parking Brake Grou 6-28. . . . . . . . . .
Fig. 19 –Brakes Group 6-29. . . . . . . . . . . . . . . .
Fig. 20 –Engine Group, F163 6-30. . . . . . . . . .
Fig. 21 –Engine Group, TM27 6-32. . . . . . . . .
Fig. 22 –Engine Group, TM27 6-34. . . . . . . . .
Fig. 23 –Muffler Group 6-36. . . . . . . . . . . . . . . .
Fig. 24 –Radiator Group 6-37. . . . . . . . . . . . . .
Fig. 25 –Air Cleaner Group 6-38. . . . . . . . . . . .
Fig. 26 –Air Cleaner Group 6-39. . . . . . . . . . . .
Fig. 27 –Fuel Tank Group 6-40. . . . . . . . . . . . .
Fig. 28 –Battery Group 6-42. . . . . . . . . . . . . . .
Fig. 29 –Hydraulic Schematic (For machines
below serial number 004438) 6-43
Fig. 30 –Hydraulic Schematic (For machines
serial number 004438 thru
005268) 6-44. . . . . . . . . . . . .
Page
Fig. 31 –Hydraulic Schematic (For machines
serial number 005269 and
above) 6-45. . . . . . . . . . . . . .
Fig. 32 –Hydraulic Hoses Group 6-46. . . . . . .
Fig. 33 –Hydraulic Hoses Group 6-48. . . . . . .
Fig. 34 –Hydraulic Hoses Group 6-50. . . . . . .
Fig. 35 –Hydraulic Propelling Motors
Group 6-52. . . . . . . . . . . . . . . . . . .
Fig. 36 –Hydraulic Reservoir Group 6-53. . . .
Fig. 37 –Hydraulic Control Valves Group 6-54
Fig. 38 –Hydraulic Pump Group 6-55. . . . . . . .
Fig. 39 –Hydraulic Pump Group 6-56. . . . . . . .
Fig. 40 –Hydraulic Pump Group 6-57. . . . . . . .
Fig. 41 –Hydraulic Filters Group 6-58. . . . . . .
Fig. 42 –Hydraulic Filters Group 6-59. . . . . . .
Fig. 43 –Hydraulic Tow Bypass Group 6-60. .
Fig. 44 –Directional Pedal Group 6-61. . . . . . .
Fig. 45 –Directional Pedal Group 6-62. . . . . . .
Fig. 46 –Directional Pedal Group 6-64. . . . . . .
Fig. 47 –Wire Harnesses Group 6-66. . . . . . . .
Fig. 48 –Electrical Schematic–Gasoline, LPG
(For machines below serial
number 004255) 6-67. . . . .
Fig. 49 –Electrical Schematic–Gasoline, LPG
(For machines serial number
004255 and above) 6-68. . .
Fig. 50 –Electrical Schematic, Diesel (For
machines below serial number
003619) 6-69. . . . . . . . . . . . .
Fig. 51 –Electrical Schematic, Diesel (For
machines serial number 003619
to 004254 6-70. . . . . . . . . . .
Fig. 52 –Electrical Schematic, Diesel (For
machines serial number 004255
and above) 6-71. . . . . . . . . .
Fig. 53 –Electrical Schematic, Options (For
machines serial number 004255
and above) 6-72. . . . . . . . . .
Fig. 54 –Electrical Schematic, Specials 6-73.
Fig. 55 –Vacuum Fan Idler Assembly 6-74. . .
Fig. 56 –Vacuum Fan Assembly 6-76. . . . . . .
Fig. 57 –Vacuum Fan Assembly 6-78. . . . . . .
Fig. 58 –Instrument Panel Group 6-80. . . . . . .
Fig. 59 –Rear Wheel Group 6-81. . . . . . . . . . .
Fig. 60 –Trunnion Group 6-82. . . . . . . . . . . . . .
Fig. 61 –Front Side of Solution and Recovery
Tanks Group 6-84. . . . . . . . . . . . .
Fig. 62 –Rear Side of Solution and Recovery
Tanks Group 6-86. . . . . . . . . . . . .
Fig. 63 –Rear Bumper Group 6-88. . . . . . . . . .
Fig. 64 –Rear Bumper Group 6-89. . . . . . . . . .
Fig. 65 –Rear Squeegee Assembly 6-90. . . . .

GENERAL INFORMATION
550 MM148 (6–96)
viii
Page
LPG PARTS 7-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
Fig. 1 –Fuel Tank Group, LPG 7-2. . . . . .
Fig. 2 –Engine Cover Group, LPG 7-4. . .
Fig. 3 –Air Cleaner Group, LPG 7-5. . . . .
Fig. 4 –Vacuum Fan Group, LPG 7-6. . . .
DIESEL PARTS 8-1. . . . . . . . . . . . . . . . . . . . . . . .
Fig. 1 –Engine Group, Diesel 8-2. . . . . . .
Fig. 2 –Glow Plug Control Group, Diesel 8-5.
Fig. 3 –Fuel Tank Group, Diesel 8-6. . . . .
Fig. 4 –Radiator Group, Diesel 8-7. . . . . .
Fig. 5 –Air Cleaner Group, Diesel 8-8. . . .
SRSPARTS 9-1. . . . . . . . . . . . . . . . . . . . . . . . .
Fig. 1 –Solution Supply and Control
Group, SRS9-2. . . . . . . . . . .
Fig. 2 –Solution Pumps Group, SRS9-4
Fig. 3 –Solution Control Group, SRS9-6
Fig. 4 –Wire Harnesses, SRS9-8. . . . . .
Fig. 5 –Control Panel Assembly, SRS9-9
Fig. 6 –Front Side of Solution Tank
Group, SRS9-10. . . . . . . . . . .
Fig. 7 –Front Side of Solution Tank
Group, SRS9-12. . . . . . . . . . .
Fig. 8 –Rear Side of Solution Tank
Group, SRS9-14. . . . . . . . . . .
Fig. 9 –Rear Side of Solution Tank
Group, SRS9-16. . . . . . . . . . .
OPTIONS 10-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fig. 1 –Light Kit 10-2. . . . . . . . . . . . . . . . . . .
Fig. 2 –Overhead Guard Kit 10-3. . . . . . . . .
Fig. 3 –Heavy Duty Bumper Kit 10-4. . . . . .
Fig. 4 –Brush Pressure Warning Kit 10-5. .
Fig. 5 –Flashing Light Kit 10-6. . . . . . . . . . .
Fig. 6 –Revolving Light Group 10-7. . . . . . .
Fig. 7 –Revolving Light Kit 10-8. . . . . . . . . .
Fig. 8 –Reserve LPG Tank Group
with Filler Valve, SRS10-9. . .
Fig. 9 –Reserve LPG Tank Kit with
Filler Valve 10-10. . . . . . . . . . . . .
Fig. 10 –Reserve LPG Tank Mounting
Kit 10-11. . . . . . . . . . . . . . . . . .
Fig. 11 –Squeegee Wand Kit 10-12. . . . . . . .
Fig. 12 –High Pressure Sprayer Kit 10-14. . .
Fig. 13 –Sludge Removal Tool
Assembly, SRS10-17. . . . . . . .
Fig. 14 –Heavy Duty Bumper Kit, SRS10-18
Fig. 15 –Squeegee Wand Kit, SRS10-20. .
Fig. 16 –Light Kit, SRS10-22. . . . . . . . . . . .
Fig. 17 –Flashing Light Kit, SRS10-23. . . .
Fig. 18 –Revolving Light Group, SRS10-24
Fig. 19 –Level Warning Light Kit, SRS10-25
Fig. 20 –Fire Extinguisher Kit 10-26. . . . . . . .
Fig. 21 –Protectoseal Gasoline Cap 10-26. .
Fig. 22 –Wheel Assembly, Foam Filled 10-27
Fig. 23 –Solution Tank Drain Kit 10-27. . . . . .
Fig. 24 –Rear View Mirror Kit 10-28. . . . . . . .
Fig. 25 –Spark Arresting Muffler Kit 10-28. . .
Page
Fig. 26 –Recovery Level Warning
Light Kit 10-29. . . . . . . . . . . . . . . .
Fig. 27 –Side Squeegees Extension Kit 10-30
BREAKDOWNS 11-1. . . . . . . . . . . . . . . . . . . . . . . .
Fig. 1 –High Pressure Spray Pump
Breakdown 11-2. . . . . . . . . . . .
Fig. 2 –Solution Pump Breakdown,
79614 11-4. . . . . . . . . . . . . . . . .
Fig. 3 –Solution Pump Breakdown,
03838 11-5. . . . . . . . . . . . . . . . .
Fig. 4 –Solution Pump Breakdown,
33327 11-6. . . . . . . . . . . . . . . . .
Fig. 5 –Metering Solution Pump Breakdown,
16485 11-7. . . . . . . . . . . . . . . . .
Fig. 6 –Hydraulic Pump Breakdown,
47915 11-8. . . . . . . . . . . . . . . . .
Fig. 7 –Hydraulic Pump Breakdown,
34310 11-9. . . . . . . . . . . . . . . . .
Fig. 8 –Hydraulic Piston Pump Breakdown,
74163 11-10. . . . . . . . . . . . . . . . .
Fig. 9 –Hydraulic Piston Pump Breakdown,
74163 11-12. . . . . . . . . . . . . . . . . .
Fig. 10 –Manual Control Breakdown,
74273 11-14. . . . . . . . . . . . . . . . . .
Fig. 11 –Hydraulic Motor Breakdown,
48663 11-16. . . . . . . . . . . . . . . . . .
Fig. 12 –Hydraulic Motor Breakdown,
74162 11-18. . . . . . . . . . . . . . . . . .
Fig. 13 –Hydraulic Motor Breakdown,
22604 11-20. . . . . . . . . . . . . . . . . .
Fig. 14 –Hydraulic Pump Breakdown,
48880 11-22. . . . . . . . . . . . . . . . . .
Fig. 15 –Hydraulic Motor Breakdown,
27792 11-23. . . . . . . . . . . . . . . . . .
Fig. 16 –Hydraulic Motor Breakdown,
61489 11-24. . . . . . . . . . . . . . . . . .
Fig. 17 –Hydraulic Steering Valve Breakdown,
57982 11-25. . . . . . . . . . . . . . . . . .
Fig. 18 –Hydraulic Steering Valve Breakdown,
74176 11-26. . . . . . . . . . . . . . . . . .
Fig. 19 –Hydraulic Solenoid Valve
Breakdown, 31575 11-27. . . . . . .
Fig. 20 –Hydraulic Valve Breakdown,
32761 11-28. . . . . . . . . . . . . . . . . .
Fig. 21 –Hydraulic Flow Switch Breakdown,
31556 11-29. . . . . . . . . . . . . . . . . .
Fig. 22 –Hydraulic Cylinder Breakdown,
04431 11-30. . . . . . . . . . . . . . . . . .
Fig. 23 –Hydraulic Valve Breakdown,
48108A 11-31. . . . . . . . . . . . . . . . .
Fig. 24 –Hydraulic Motor Breakdown,
75185 11-32. . . . . . . . . . . . . . . . . .

GENERAL INFORMATION
ix
550 MM148 (2–95)
Page
F163 ENGINE PARTS, GASOLINE, LPG 12-1. .
Fig. 1 –Cylinder Head, Crankcase and
Flywheel Housing Group 12-2.
Fig. 2 –Valve and Camshaft Group 12-4. .
Fig. 3 –Front End Plate and Gear
Cover Group 12-5. . . . . . . . . . .
Fig. 4 –Piston, Crankshaft and
Flywheel Group 12-6. . . . . . . . .
Fig. 5 –Oil Pump Group 12-8. . . . . . . . . . . .
Fig. 6 –Water Pump Group 12-9. . . . . . . . .
Fig. 7 –Governor Group 12-9. . . . . . . . . . . .
Fig. 8 –PCV Group 12-9. . . . . . . . . . . . . . . .
Fig. 9 –Fuel Pump Group 12-9. . . . . . . . . . .
Fig. 10 –Oil Filter Group 12-10. . . . . . . . . . . .
Fig. 11 –Distributor and Coil Group 12-10. . .
Fig. 12 –Water Oulet Group, Gasoline 12-10
Fig. 13 –Water Outlet Group, LPG 12-11. . .
Fig. 14 –Exhaust and Intake Manifold
Group 12-11. . . . . . . . . . . . . . . . .
Fig. 15 –Carburetor Group 12-11. . . . . . . . . .
Fig. 16 –Starter and Alternator Group 12-12.
TM27 ENGINE PARTS, GASOLINE, LPG 13-1.
Fig. 1 –Engine Block Group 13-2. . . . . . . . .
Fig. 2 –Cylinder Head Group 13-4. . . . . . . .
Fig. 3 –Camshaft Group 13-6. . . . . . . . . . . .
Fig. 4 –Crankshaft Group 13-8. . . . . . . . . . .
Fig. 5 –Piston Group 13-9. . . . . . . . . . . . . . .
Fig. 6 –Oil Pump Group 13-10. . . . . . . . . . . .
Fig. 7 –Gear Cover Group 13-11. . . . . . . . . .
Fig. 8 –Flywheel and Starter Group 13-12. .
Fig. 9 –Intake and Exhaust Manifold
Group 13-13. . . . . . . . . . . . . . . . .
Fig. 10 –Water Pump Group 13-14. . . . . . . . .
Fig. 11 –Water Header and Thermostat
Group 13-15. . . . . . . . . . . . . . . . .
Fig. 12 –Carburetor and Controls Group 13-16
Fig. 13 –Oil Filter Group 13-17. . . . . . . . . . . .
Fig. 14 –Distributor and Fuel Pump
Group 13-18. . . . . . . . . . . . . . . . .
Page
ENGINE PARTS, DIESEL 14-1. . . . . . . . . . . . . . .
Fig. 1 –Engine Block Group 14-2. . . . . . . . .
Fig. 2 –Fuel System Group 14-4. . . . . . . . .
Fig. 3 –Cylinder Head Group 14-6. . . . . . . .
Fig. 4 –Camshaft Group 14-8. . . . . . . . . . . .
Fig. 5 –Crankshaft Group 14-9. . . . . . . . . . .
Fig. 6 –Piston Group 14-10. . . . . . . . . . . . . . .
Fig. 7 –Oil Pump Group 14-11. . . . . . . . . . . .
Fig. 8 –Gear Cover Group 14-12. . . . . . . . . .
Fig. 9 –Flywheel and Starter Group 14-13. .
Fig. 10 –Intake and Exhaust Manifold
Group 14-14. . . . . . . . . . . . . . . . .
Fig. 11 –Water Pump Group 14-15. . . . . . . . .
Fig. 12 –Water Header and Thermostat
Group 14-16. . . . . . . . . . . . . . . . .
Fig. 13 –Alternator Brackets and PCV
Group 14-17. . . . . . . . . . . . . . . . .
Fig. 14 –Oil Filter Group 14-18. . . . . . . . . . . .
65951 ENGINE PARTS, DIESEL 15-1. . . . . . . . .
Fig. 1 –Engine Block Group 15-2. . . . . . . . .
Fig. 2 –Fuel System Group 15-4. . . . . . . . .
Fig. 3 –Cylinder Head Group 15-6. . . . . . . .
Fig. 4 –Camshaft Group 15-8. . . . . . . . . . . .
Fig. 5 –Crankshaft Group 15-9. . . . . . . . . . .
Fig. 6 –Piston Group 15-10. . . . . . . . . . . . . . .
Fig. 7 –Oil Pump Group 15-11. . . . . . . . . . . .
Fig. 8 –Gear Cover Group 15-12. . . . . . . . . .
Fig. 9 –Flywheel and Starter Group 15-13. .
Fig. 10 –Intake and Exhaust Manifold
Group 15-14. . . . . . . . . . . . . . . . .
Fig. 11 –Water Pump Group 15-15. . . . . . . . .
Fig. 12 –Water Header and Thermostat
Group 15-16. . . . . . . . . . . . . . . . .
Fig. 13 –Alternator Brackets and PCV
Group 15-17. . . . . . . . . . . . . . . . .
Fig. 14 –Oil Filter Group 15-18. . . . . . . . . . . .
CROSS REFERENCE 16-1. . . . . . . . . . . . . . . . . .
PART NUMBER TO PAGE NUMBER CROSS
REFERENCE LIST 16-2. . . . . . . . . . .
PART DESCRIPTION TO PAGE NUMBER
CROSS REFERENCE LIST 16-22. . . .

GENERAL INFORMATION
550 MM148 (2–95)
x

SPECIFICATIONS
1Ć1
550 MM148 (9–88)
SECTION 1
CONTENTS
Page
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. . . . . . . . . . . . . . . .

SPECIFICATIONS
550 MM148 (9–88)
1Ć2

SPECIFICATIONS
1Ć3
550 MM148 (7–90)
MACHINE SPECIFICATIONS
POWER TYPE
Engine manufacturer/model –Continental F163
Engine type –piston
Ignition –breaker type spark
Cycle –4
Aspiration –natural
Cylinders –4
Bore –3.44 (85 mm)
Stroke –4.38 (110 mm)
Displacement –162 cu in (2.7 L)
Net power –59 hp (45 kw) @ 2400 rpm
governed 63 hp (50 kw) @ 2800 rpm
maximum
Fuels –gasoline, 86 octane, or LPG
Cooling system –water
Electrical system –12 V nominal, 35 A alternator
Engine manufacturer/model –Continental TM27
Engine type –piston
Ignition –breaker–less type spark
Cycle –4
Aspiration –natural
Cylinders –4
Bore –3.58 in (90 mm)
Stroke –4.06 in (105 mm)
Displacement –164 cu in (2.7 L)
Net power –58 hp (43 kw) @ 2400 rpm
governed 70 hp (52 kw) @ 3000 rpm
maximum
Fuels –gasoline, 85 octane unleaded, or LPG
Cooling system –water
Electrical system –12 V nominal, 42 A alternator
Engine manufacturer/model –Continental
TMD27
Engine type –piston
Ignition –diesel
Cycle –4
Aspiration –natural
Cylinders –4
Bore –3.58 in (90 mm)
Stroke –4.06 in (105 mm)
Displacement –164 cu in (2.7 L)
Net power –55 hp (40 kw) @ 2400 rpm
governed 66 hp (50 kw) @ 3000 rpm
maximum
Fuels –#1 or #2 diesel fuel
Cooling system –water
Electrical system –12 V nominal, 42 A alternator
POWER TRAIN
Propelling –hydraulic drive motors (2)
Scrub brush –hydraulic drive motors (2)
Vacuum fan –belt driven
STEERING
Type –articulated frame
Power source –double action hydraulic cylinder
Emergency steering –manual
HYDRAULIC SYSTEM
Function –operates propelling, steering, scrub
brush drive, scrub head lift, rear squeegee
lift.
Control valve, scrub brush drive, scrub head lift –
open center, single spool.
Control valve, squeegee position –two position,
electrical solenoid actuated.
Propelling pump –variable displacement piston
type, 20.9 gpm (80 L/min) @ 2400 rpm
Propelling pump –variable displacement piston
type, 22.7 gpm (86 L/min) @ 2200 rpm
Propelling system rated pressure –4500 psi
(31,030 kPa)
Scrub brush drive pump –vane type, 17.2 gpm
(65 L/min) @ 2400 rpm
Scrub brush drive system rated pressure –
2500 psi (17,240 kPa)
Accessories pump –vane type, 6.2 gpm
(25 L/min) @ 2400 rpm
Accessories pump –gear type,
front section: 15.8 gpm (60 L/min) @
2400 rpm
rear section: 4 gpm (15 L/min) @ 2400 rpm
Accessories system rated pressure –2000 psi
(13,790 kPa)
Propelling motor (2) internal gear type, 17 cu in
(275 cc) per revolution, 1750 psi (12,065
kPa) maximum rated pressure
Scrub brush drive motor (2) –internal gear type,
9.9 cu in (160 cc) per revolution, 1200 psi
(8275 kPa) maximum rated pressure
Scrub head lift cylinder –single action type, 2 in
(50 mm) bore x 4 in (100 mm) stroke, 1 in
(25 mm) diameter rod, 1500 psi
(10,345 kPa) maximum rated pressure

SPECIFICATIONS
550 MM148 (11–95)
1Ć4
HYDRAULIC SYSTEM (Continued)
Rear squeegee lift cylinder –double action type,
2 in (50 mm) bore x 4 in (100 mm) stroke,
1 in (25 mm) diameter rod, 1500 psi
(10,345 kPa) maximum rated pressure.
Steering cylinder –double action type, 2 in
(50 mm) bore x 11 in (280 mm) stroke, 1 in
(25 mm) diameter rod, 2000 psi (13,790
kPa) maximum rated pressure
BRAKING SYSTEM
Service brakes –hydraulic caliper disc brakes
(2), (one per front wheel) foot brake master
cylinder actuated.
Parking brakes –mechanical caliper disc brakes
(2), (one per front wheel), cable actuated.
SUSPENSION SYSTEM
Front –two 8.00 x 16.5 6-ply rating tubeless tires
Rear –two 8.00 x 16.5 6-ply rating tubeless tires
SYSTEM FLUID CAPACITIES
Engine cooling system, radiator –6.4 qt (6 L)
Engine cooling system, total system –13.4 qt
(13 L)
Fuel tank, gasoline, diesel –15.3 gal (60 L)
Fuel tank, LPG –33 lb (15 kg)
Engine lubricating oil, gasoline, LPG –4.5 qt
(4 L)
Engine lubricating oil, diesel –7 qt (6.5 L)
Hydraulic system, reservoir –11.5 gal (45 L)
Hydraulic system, total system –13.8 gal (52 L)
Standard solution tank –140 gal (530 L)
Standard recovery tank –120 gal (455 L)
SRS solution tank –240 gal (905 L)
SRS cleaning solution tank –10 gal (40 L)
GENERAL MACHINE
DIMENSIONS/CAPACITIES
Length –156.5 in (3975 mm)
Width –61.25 in (1555 mm)
Height –60.87 in (1545 mm)
Height with overhead guard –83.63 in
(2425 mm)
Track, front –46.7 in (1185 mm)
Track, rear –45.3 in (1150 mm)
Wheel base –58.75 in (1490 mm)
Scrub brush (2), path width –50 in (1270 mm)
Scrub brush (2), diameter –11 in (280 mm)
Rear squeegee path width –56.5 in (1435 mm)
Debris hopper capacity –2.6 cu ft (0.073 m3)
MACHINE WEIGHTS
GVWR –7200 lb (3265 kg)
GENERAL MACHINE PERFORMANCE
Maximum forward speed –9 mph (14.5 km/h)
Maximum reverse speed –5 mph (8 km/h)
Turning radius, right –98 in (2490 mm)
Turning radius, left –95.25 in (2420 mm)
Maximum rated climb and descent angle –10
Maximum rated climb and ascent angle when
tanks are full –8

SPECIFICATIONS
1Ć5
550 MM148 (9–88)
MACHINE DIMENSIONS
SIDE VIEW
TOP VIEW
156.5 in (3975 mm)
62.3 in
(1580 mm)
52.3 in
(1330 mm) 61.25 in
(1555 mm)
60.15 in
(1530 mm)
55.75 in
(1415 mm)
46.6 in
(1185 mm)
52.6 in
(1335 mm)
00362

SPECIFICATIONS
550 MM148 (9–88)
1Ć6

OPERATION
2Ć1
550 MM148 (8–94)
SECTION 2
CONTENTS
Page
PREPARATION FOR OPERATION 2-3. . . . . . .
AFTER UNLOADING AND BEFORE
OPERATING THE MACHINE: 2-3. . . . . .
OPERATION OF CONTROLS 2-4. . . . . . . . . . .
MACHINE COMPONENTS 2-4. . . . . . . . . . .
INSTRUMENTS AND CONTROLS 2-5. . . .
BRAKE PEDAL 2-6. . . . . . . . . . . . . . . . . . . . .
DIRECTIONAL PEDAL 2-6. . . . . . . . . . . . . . .
OPERATOR SEAT 2-6. . . . . . . . . . . . . . . . . .
SCRUB HEAD LOCK LEVER 2-6. . . . . . . . .
PIVOT LOCK PIN 2-7. . . . . . . . . . . . . . . . . . .
PARKING BRAKE LEVER 2-7. . . . . . . . . . . .
AMMETER 2-7. . . . . . . . . . . . . . . . . . . . . . . . .
SQUEEGEE POSITION LAMP 2-7. . . . . . . .
TANK DRAIN LAMP 2-7. . . . . . . . . . . . . . . . .
SCRUB BRUSH PRESSURE LAMP 2-7. . .
IGNITION SWITCH 2-7. . . . . . . . . . . . . . . . . .
DIESEL PRE-HEAT INDICATING LAMP 2-7
OPERATING LIGHTS SWITCH 2-8. . . . . . .
ROTATING LIGHT SWITCH 2-8. . . . . . . . . .
HAZARD LIGHT SWITCH 2-8. . . . . . . . . . . .
FUEL LEVEL GAUGE 2-8. . . . . . . . . . . . . . .
PANEL LAMP 2-8. . . . . . . . . . . . . . . . . . . . . . .
FUSES 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE HOUR METER 2-8. . . . . . . . . . . . .
ENGINE OIL PRESSURE GAUGE 2-8. . . .
ENGINE COOLANT TEMPERATURE
GAUGE 2-8. . . . . . . . . . . . . . . . . . . . . . . . .
SQUEEGEE SWITCH 2-8. . . . . . . . . . . . . . .
SCRUB BRUSH LEVER 2-9. . . . . . . . . . . . . .
SCRUB HEAD POSITION LEVER 2-9. . . . .
SRSLIQUID LOW LEVEL LAMPS 2-9. . .
SRSCLEANING SOLUTION FLOW
KNOB 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . .
SOLUTION LEVER 2-9. . . . . . . . . . . . . . . . . .
ENGINE CHOKE KNOB 2-9. . . . . . . . . . . . . .
THROTTLE LEVER 2-9. . . . . . . . . . . . . . . . .
STEERING WHEEL 2-9. . . . . . . . . . . . . . . . .
Page
MACHINE OPERATION 2-10. . . . . . . . . . . . . . . . .
NORMAL SCRUBBING OPERATION 2-10. .
PRE-START CHECKLIST 2-10. . . . . . . . .
TO START MACHINE 2-10. . . . . . . . . . . . .
TO FILL SOLUTION TANK 2-11. . . . . . . .
TO SCRUB 2-11. . . . . . . . . . . . . . . . . . . . . .
TO DRAIN AND CLEAN RECOVERY
TANK AND EMPTY HOPPER 2-12
POST OPERATION CHECKLIST –
ENGINE OPERATING 2-13. . . . . . . . . .
TO STOP MACHINE 2-13. . . . . . . . . . . . . .
POST OPERATION CHECKLIST –
ENGINE STOPPED 2-13. . . . . . . . . . . .
DOUBLE SCRUBBING OPERATION 2-13. .
OPERATION ON GRADES 2-13. . . . . . . . . . .
MACHINE TROUBLESHOOTING 2-14. . . . .
OPTIONS OPERATION 2-15. . . . . . . . . . . . . . . . .
HIGH PRESSURE SPRAYER 2-15. . . . . . . . .
TO OPERATE HIGH PRESSURE
SPRAYER 2-15. . . . . . . . . . . . . . . . . . . .
VACUUM WAND 2-15. . . . . . . . . . . . . . . . . . . .
TO OPERATE VACUUM WAND 2-15. . . .
TRANSPORTING MACHINE 2-16. . . . . . . . . . . .
PUSHING OR TOWING MACHINE 2-16. . . .
MACHINE JACKING LOCATIONS 2-17. . . . .
MACHINE STORAGE 2-18. . . . . . . . . . . . . . . . . .
STORING MACHINE 2-18. . . . . . . . . . . . . . . .
GASOLINE POWERED MACHINES 2-18
DIESEL POWERED MACHINES 2-19. . .

OPERATION
550 MM148 (9–88)
2Ć2