Operator Control Functions

1. Dome Light Switch: Push lower half of switch to turn dome light ON. Push upper half of switch to turn dome light OFF.
2. Headlight Switch:

NOTE: The parking lights, tail lights, and instrument panel lighting will illuminate when headlight switch is in center position with key switch ON or OFF. The headlights will light only when switch is in down position with key switch ON.

The headlight switch is a 3-position switch used to control headlights, tail lights and park lights.

  • Upper half of switch pushed-lights OFF
  • Lower half of switch pushed to first detent-park lights, tail lights, and instrument panel lighting ON
  • Lower half of switch pushed to furthest position-headlights ON

3. Warning Lights Switch: Push lower half of switch to turn warning lights ON. Push upper half of switch to turn warning lights OFF.
4. Rear View Mirrors Defrost Switch (If Equipped): Push lower half of switch to turn mirror defrosters ON. Push upper half of switch to turn mirror defrosters OFF.
5. Air Vent (6 Used): Adjust air vents to control air flow in the cab.
6. Instrument Panel: Contains instruments and indicators.
7. Inter-Axle Lock Switch:

IMPORTANT: The inter-axle lock must only be used when ground conditions are very poor. DO NOT use on graded or tarred surfaces.

Reduce engine speed (accelerator pedal less than 10% depressed) and push lower half of switch to engage inter-axle lock. Push upper half of switch to disengage inter-axle lock.


8. Range Hold Switch: Push lower half of switch to turn range hold ON. Push upper half of switch to turn range hold OFF.
9. Start Aid Switch:

IMPORTANT: Never operate starter motor for more than 17 seconds at a time. If engine fails to start after 2 or 3 tries, return key switch to OFF. Wait for about 1 minute, then try again.

IMPORTANT: Prevent damage to engine. Use start aid when temperatures are below 0°C (32°F) and only when engine is COLD.

If temperature is below 0°C (32°F) and engine is COLD, press start aid button while starting engine.


10. Rear View Mirrors Adjustment Controls (If Equipped): Select left or right side mirror. Adjust mirror, up, down, left or right, to operator's preference.
11. Transmission Torque Retarder Control Lever: Move lever forward or rearward, as driving conditions require, to adjust the percentage of torque retarder applied when accelerator pedal is released.
12. Park Brake Lever:

OUO1043,0000DF6 -19-30OCT01-1/2

causym CAUTION: Under normal circumstances, DO NOT leave machine unattended with engine running.

If the operator must leave machine with engine running, the operator MUST shift the transmission to neutral (N), engage the park brake, chock wheels and take all other steps necessary to prevent machine from moving.

causym CAUTION: After releasing park brake, wait until park brake indicator on instrument panel goes out before driving.

Lift and push lever forward to release park brake. Pull lever rearward until it locks into place to engage park brake.


13. Dump Body Control Lever:

NOTE: The dump body control lever is spring-loaded and will return to center position when released.

Pull lever rearward to raise dump body. Push lever forward to lower dump body. Push lever forward to detent for dump body float.


14. Transmission Control Panel: Selects travel direction and maximum gear.
15. Ash Tray: Ash trays are provided for operator convenience.
16. Steering Wheel: Turn steering wheel to control machine steering.
17. Cigarette Lighter: Cigarette lighter is provided for operator convenience.
18. Telescopic Steering Adjust Lever: Loosens telescopic steering clamp to allow steering column to be pulled out or pushed in to operator preference.
19. Key Switch: Insert key and turn to start engine.
20. Steering Column Lever: Steering column lever controls horn, windshield wiper/washers, turn indicators and headlight beam intensity.
21. Tilt Steering Adjust Lever: Loosens tilt steering clamp to allow steering column to be tilted up or down to operator preference.
22. Service Brake Pedal: Push pedal to engage service brakes.
23. Accelerator Pedal: Push pedal to increase speed. Release pedal to slow machine. Retarder and exhaust brakes will engage, as necessary, when pedal is released.
24. Operator's Manual Compartment: Store operator's manual in the operator's manual compartment.
25. Dome Light: Provides operator with light in the cab.
26. Radio (If Equipped): Provided for operator convenience.
27. Circuit Breaker Compartment Latch: Push latch button to open circuit breaker compartment.
28. Circuit Breaker Compartment: Open circuit breaker compartment door to access machine circuit breakers.
29. Visor: Lower and adjust visor as necessary.
30. Heater and Air Conditioner Control Panel: Use heater and air conditioner control panel to control cab temperature.

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