8400

MM311

Operator Manual

This manual is furnished with each new TENNANT Model 8400. It provides necessary operating andpreventive maintenance instructions. Read this manual completely and understand the machine beforeoperating or servicing it.

This machine will provide excellent service. However, the best results will be obtained at minimum costs if:

The machine is operated with reasonable care. The machine is maintained regularly per the maintenance instructions provided. The machine is maintained with TENNANT supplied or approved parts.

Manual Number MM311

Revision: 02

Published: 496

Copyright 1994, 1996 TENNANT, Printed in U.S.A.

CONTENTS

8400 MM311 (496)

CONTENTS

PageSAFETY PRECAUTIONS 3. . . . . . . . . . . . . . . . . OPERATION 7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATOR RESPONSIBILITY 7. . . . . . . . . MACHINE COMPONENTS 9. . . . . . . . . . . . . CONTROL PANEL SYMBOLS 10. . . . . . . . . . CONTROLS AND INSTRUMENTS 12. . . . . . OPERATION OF CONTROLS 13. . . . . . . . . .

DIRECTIONAL PEDAL 13. . . . . . . . . . . . . . BRAKE PEDAL 14. . . . . . . . . . . . . . . . . . . . PARKING BRAKE LEVER 14. . . . . . . . . . . PARKING BRAKE PEDAL 14. . . . . . . . . . . HAZARD LIGHT SWITCH (OPTION) 15. . OPERATING LIGHTS SWITCH 15. . . . . . FILTER SHAKER SWITCH 15. . . . . . . . . . HOPPER RAISE SWITCH 15. . . . . . . . . . . HOPPER DOOR SWITCH 16. . . . . . . . . . . HOPPER LOWER SWITCH 16. . . . . . . . . SIDE BRUSH SWITCH 16. . . . . . . . . . . . . . VACUUM FAN SWITCH 16. . . . . . . . . . . . . MAIN BRUSH NORMAL SPEED

SWITCH 17. . . . . . . . . . . . . . . . . . . . . . . . MAIN BRUSH II SPEEDt SWITCH 17. . . . CHARGING SYSTEM LIGHT 17. . . . . . . . ENGINE OIL PRESSURE LIGHT 18. . . . . ENGINE WATER TEMPERATURE

LIGHT 18. . . . . . . . . . . . . . . . . . . . . . . . . . HOPPER TEMPERATURE LIGHT

THERMO SENTRY 18. . . . . . . . . . . . CLOGGED FILTER LIGHT 18. . . . . . . . . . RECOVERY TANK FULL LIGHT 19. . . . . FUEL LEVEL GAUGE 19. . . . . . . . . . . . . . . HOURMETER 19. . . . . . . . . . . . . . . . . . . . . ES SWITCH (OPTION) 19. . . . . . . . . . . . DETERGENT FLOW SWITCH

(OPTION) 20. . . . . . . . . . . . . . . . . . . . . . EDGE CLEAN SWITCH 20. . . . . . . . . . . . . SCRUB BRUSH SWITCH 20. . . . . . . . . . . SQUEEGEE AND VACUUM

FAN SWITCH 21. . . . . . . . . . . . . . . . . . . ENGINE SPEED SWITCH 21. . . . . . . . . . . STEERING WHEEL 21. . . . . . . . . . . . . . . . HORN BUTTON 22. . . . . . . . . . . . . . . . . . . . IGNITION SWITCH 22. . . . . . . . . . . . . . . . . TURN SIGNAL SWITCH (OPTION) 22. . . STEERING COLUMN TILT LEVER 22. . . CIRCUIT BREAKERS 23. . . . . . . . . . . . . . . MAIN BRUSH DOWN PRESSURE

KNOB 23. . . . . . . . . . . . . . . . . . . . . . . . . . SCRUB BRUSH DOWN PRESSURE

KNOB 24. . . . . . . . . . . . . . . . . . . . . . . . . . SIDE BRUSH DOWN PRESSURE

KNOB 24. . . . . . . . . . . . . . . . . . . . . . . . . . SOLUTION FLOW LEVER 24. . . . . . . . . . .

PageLATCHES 25. . . . . . . . . . . . . . . . . . . . . . . . . ENGINE CHOKE KNOB 25. . . . . . . . . . . . . OPERATOR SEAT 26. . . . . . . . . . . . . . . . . . HOPPER SUPPORT BAR 26. . . . . . . . . . .

HOW THE MACHINE WORKS 27. . . . . . . . . . PRE-OPERATION CHECKLIST 27. . . . . . . . . CHANGING AN LPG FUEL TANK 29. . . . . . . STARTING THE MACHINE 31. . . . . . . . . . . . . SWEEPING, SCRUBBING, AND BRUSH

INFORMATION 33. . . . . . . . . . . . . . . . . . . . SWEEPING 35. . . . . . . . . . . . . . . . . . . . . . . . . . STOP SWEEPING 36. . . . . . . . . . . . . . . . . . . . EMPTYING THE HOPPER 37. . . . . . . . . . . . . FILLING THE TANKS 38. . . . . . . . . . . . . . . . . . SCRUBBING 40. . . . . . . . . . . . . . . . . . . . . . . . . DOUBLE SCRUBBING 42. . . . . . . . . . . . . . . . . STOP SCRUBBING 42. . . . . . . . . . . . . . . . . . . DRAINING AND CLEANING THE TANKS 43STOP THE MACHINE 45. . . . . . . . . . . . . . . . . POST-OPERATION CHECKLIST 47. . . . . . . . ENGAGING HOPPER SUPPORT BAR 49. . DISENGAGING HOPPER SUPPORT BAR 50OPERATION ON INCLINES 51. . . . . . . . . . . . OPTIONS 52. . . . . . . . . . . . . . . . . . . . . . . . . . . .

VACUUM WAND (WET) 52. . . . . . . . . . . . . TIE-DOWNS 55. . . . . . . . . . . . . . . . . . . . . . .

MACHINE TROUBLESHOOTING 56. . . . . . . MAINTENANCE 58. . . . . . . . . . . . . . . . . . . . . . . . .

MAINTENANCE CHART 58. . . . . . . . . . . . . . . LUBRICATION 60. . . . . . . . . . . . . . . . . . . . . . . .

ENGINE 60. . . . . . . . . . . . . . . . . . . . . . . . . . . REAR WHEEL SUPPORT 60. . . . . . . . . . . FRONT WHEEL BEARINGS 60. . . . . . . . . HOPPER LIFT ARM PIVOTS 61. . . . . . . . HOPPER DOOR PIVOTS 61. . . . . . . . . . . REAR SQUEEGEE CASTERS 61. . . . . . .

HYDRAULICS 62. . . . . . . . . . . . . . . . . . . . . . . . HYDRAULIC FLUID RESERVOIR 62. . . . HYDRAULIC FLUID 62. . . . . . . . . . . . . . . . HYDRAULIC HOSES 63. . . . . . . . . . . . . . . PROPELLING MOTOR 63. . . . . . . . . . . . . .

ENGINE 64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . COOLING SYSTEM 64. . . . . . . . . . . . . . . . AIR FILTER INDICATOR 64. . . . . . . . . . . . AIR FILTER 65. . . . . . . . . . . . . . . . . . . . . . . . FUEL FILTER 66. . . . . . . . . . . . . . . . . . . . . . CARBURETOR 66. . . . . . . . . . . . . . . . . . . . SPARK PLUGS 66. . . . . . . . . . . . . . . . . . . . DISTRIBUTOR 66. . . . . . . . . . . . . . . . . . . . . CRANKCASE VENTILATION SYSTEM 66INTAKE MANIFOLD 66. . . . . . . . . . . . . . . . TIMING BELT 66. . . . . . . . . . . . . . . . . . . . . .

BATTERY 67. . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONTENTS

8400 MM311 (496)

PageBELTS AND CHAINS 67. . . . . . . . . . . . . . . . . .

ENGINE BELT 67. . . . . . . . . . . . . . . . . . . . . STATIC DRAG CHAIN 67. . . . . . . . . . . . . .

DEBRIS HOPPER 68. . . . . . . . . . . . . . . . . . . . . HOPPER DUST FILTER 68. . . . . . . . . . . . . REMOVING HOPPER DUST FILTER 68. THERMO SENTRY 70. . . . . . . . . . . . . . .

SCRUB HEAD 70. . . . . . . . . . . . . . . . . . . . . . . . BRUSHES 70. . . . . . . . . . . . . . . . . . . . . . . . . . . .

MAIN BRUSH 70. . . . . . . . . . . . . . . . . . . . . . REPLACING MAIN BRUSH 71. . . . . . . CHECKING AND ADJUSTING MAIN

BRUSH PATTERN 72. . . . . . . . . . . . SIDE BRUSH 74. . . . . . . . . . . . . . . . . . . . . .

REPLACING SIDE BRUSH 74. . . . . . . SIDE BRUSH GUARD 75. . . . . . . . . . . . . . SCRUB BRUSHES 75. . . . . . . . . . . . . . . . .

REPLACING THE SCRUB BRUSHES 75. . . . . . . . . . . . . . . . . . .

SOLUTION SYSTEM 76. . . . . . . . . . . . . . . . . . SOLUTION VALVE 76. . . . . . . . . . . . . . . . . RECOVERY TANK 76. . . . . . . . . . . . . . . . . SOLUTION TANK 76. . . . . . . . . . . . . . . . . .

SQUEEGEES 77. . . . . . . . . . . . . . . . . . . . . . . . . LEVELING THE REAR SQUEEGEE 77. . ADJUSTING REAR SQUEEGEE

BLADE DEFLECTION 78. . . . . . . . . . . . SQUEEGEE BLADES 79. . . . . . . . . . . . . . . . .

REAR SQUEEGEE 79. . . . . . . . . . . . . . . . . REPLACING OR ROTATING REAR

SQUEEGEE BLADES 79. . . . . . . . . SIDE SQUEEGEES 80. . . . . . . . . . . . . . . .

REPLACING SIDE SQUEEGEE BLADES 80. . . . . . . . . . . . . . . . . . . . .

SKIRTS AND SEALS 81. . . . . . . . . . . . . . . . . . HOPPER LIP SKIRTS 81. . . . . . . . . . . . . . . HOPPER SIDE SKIRT 81. . . . . . . . . . . . . . BRUSH DOOR SKIRTS 81. . . . . . . . . . . . . REAR SKIRTS 82. . . . . . . . . . . . . . . . . . . . . BRUSH DOOR SEALS 82. . . . . . . . . . . . . . HOPPER SEALS 82. . . . . . . . . . . . . . . . . . . HOPPER INSPECTION DOOR SEAL 82. HOPPER DOOR SEALS 83. . . . . . . . . . . . HOPPER COVER SEAL 83. . . . . . . . . . . . . HOPPER DUST SEAL 83. . . . . . . . . . . . . . HOPPER VACUUM FAN SEAL 83. . . . . . . DEMISTER AND COVER SEALS 84. . . . .

BRAKES AND TIRES 84. . . . . . . . . . . . . . . . . . SERVICE BRAKES 84. . . . . . . . . . . . . . . . . PARKING BRAKE 84. . . . . . . . . . . . . . . . . . TIRES 84. . . . . . . . . . . . . . . . . . . . . . . . . . . . REAR WHEEL 84. . . . . . . . . . . . . . . . . . . . .

PUSHING, TOWING, AND TRANSPORTING THE MACHINE 85. . . .

MACHINE JACKING 86. . . . . . . . . . . . . . . . . . . STORING MACHINE 86. . . . . . . . . . . . . . . . . .

PageSPECIFICATIONS 87. . . . . . . . . . . . . . . . . . . . . . .

GENERAL MACHINE PERFORMANCE 87. . POWER TYPE 88. . . . . . . . . . . . . . . . . . . . . . . . STEERING 88. . . . . . . . . . . . . . . . . . . . . . . . . . . HYDRAULIC SYSTEM 88. . . . . . . . . . . . . . . . .

INDEX 89. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY PRECAUTIONS

8400 MM311 (294)

SAFETY PRECAUTIONS

The following precautions are used throughoutthis manual as indicated in their description:

WARNING: To warn of hazards orunsafe practices which could result insevere personal injury or death.

FOR SAFETY: To identify actions whichmust be followed for safe operation ofequipment.

The machine is suited to sweep disposabledebris. Do not use the machine other thandescribed in this Operator Manual. The machineis not designed for use on public roads.

The following information signals potentiallydangerous conditions to the operator orequipment:

FOR SAFETY:

1. Do not operate machine: Unless trained and authorized. Unless operator manual is read and

understood. If it is not in proper operating

condition. In flammable or explosive areas unless

designed for use in those areas. In areas with possible falling objects

unless equ