Do not move machine without normal air pressure. |
NOTE: It is possible to start the engine when the transmission selector lever is in other than NEUTRAL, but the machine will not move. Should this happen, move the selector lever to NEUTRAL, then to the desired speed range.
- 1. Be sure seat belt is fastened.
- 2. Push parking brake button. Do not move tractor-scraper until air pressure registers normal and brake button remains depressed.
- 3. Raise scraper bowl just high enough to clear obstructions.
- 4. Release safety lock. Move transmission speed selector to first speed.
- 5. Depress accelerator.
Check to be sure area is clear of personnel and obstructions. |
- 6. Turn at slow speed to check steering.
- 7. Operate under light load for 5 minutes.
- 8. Check brakes in safe area before traveling any distance.
NOTE: In an emergency the tractor-scraper can be moved in first gear with the emergency brake applied.
Emergency Brake System
- 1. Pull emergency brake control button to engage emergency brakes.
- 2. Push brake control button to release emergency brake. Do not move machine until button remains depressed and air pressure gauge registers normal.
Emergency Stops
If low air pressure emergency warning horn sounds, stop the tractor-scraper immediately.
NOTICE |
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Do not leave machine without blocking wheels, as emergency brakes will release after a period of time. Do not use emergency brake as a parking brake. |
To stop the tractor-scraper if the service brakes do not; pull emergency button.
NOTE: In an emergency the tractor-scraper can be moved in first gear with the emergency brake applied.
Brakes will automatically apply if air pressure drops below safe operating pressure. If the tractor-scraper is stopped on a steep grade by the emergency system, do not release brakes. After an emergency stop, wait until air pressure gauge registers NORMAL before moving the tractor-scraper. If air pressure gauge will not register NORMAL, have air system checked. |
Parking Brake System
- 1. Pull parking brake control to engage parking brake.
- 2. Push parking brake control to release parking brake. Do not move machine until button remains depressed and air pressure registers normal on gauge.
Changing Gear Speed and Direction
Machine must be stopped and engine at low idle before pushing transmission control into REVERSE.
All forward and reverse speeds are selected manually.
NOTICE |
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Never downshift with engine speed above 1800 RPM. Downshift only one speed at a time. |
Improper downshifting can cause sudden reduction in travel speed. Never coast downgrade. Keep transmission engaged. Use service brakes to reduce travel speed before entering sharp turns, fill areas and downgrades. |