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Diesel engine exhaust contains products of combustion which may cause personal injury. Always start and operate the engine in a well ventilated area, and, if in an enclosed area, vent the exhaust to the outside. |
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Personal injury can result from rotating and moving parts. Stay clear of all rotating and moving parts. Never attempt adjustments while the machine is moving or the engine is running unless otherwise specified. The machine must be parked on a level surface and the engine stopped. Attach a "Do Not Operate" or similar warning tag to the start switch and controls before servicing, repairing, or making adjustments to the machine. |
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Personal injury or death can result from sudden machine movement. Sudden movement of the machine can cause injury to persons on or near the machine. To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine. |
The hydraulic tank is vented. If the vent is operating correctly, the maximum pressure in the hydraulic tank should be less than
Perform the following procedure to ensure that the oil in the hydraulic tank is not under pressure. This test should be performed before any test is performed on the hydraulic system.
- Drive the machine to a smooth, horizontal surface.
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Illustration 1 g03890163 - Move propel lever (4) to the NEUTRAL position.
- Press parking brake switch (5) to change the status of the parking brake to "engaged". When the parking brake status is "engaged", an LED next to the parking brake switch will be illuminated.
- Use travel mode switch (3) to select the pave mode. When the travel mode is set to pave, an LED next to pave symbol (2) will be illuminated.
Note: The machine must be in pave mode to operate the screed lift system, hopper system, tow point system, and auger lift system.
- Press and hold screed raise switch (1). Release the switch when the screed is raised fully.
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Illustration 2 g03890192 - Engage screed lock lever (6) on each side of the machine.
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Illustration 3 g03890385 - Use screed float switch (7) to place the screed in the FLOAT position. When the screed is in the FLOAT position, an LED next to the screed float switch will illuminate. Allow the tow arms to rest on the screed service locks.
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Illustration 4 g06015974 - If necessary, retract hopper service lock mechanism (8) on each side of the machine.
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Illustration 5 g06016004 - Use left hopper lower switch (9) and right hopper lower switch (10) to lower the hoppers.
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Illustration 6 g06016010 - Press rpm decrease switch (11) once to operate the engine in low idle.
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Illustration 7 g06016014 - Examine the display. If "Regen Conditions Not Met" warning (12) is shown and the banner is yellow, allow the engine to operate until the regeneration cycle is complete. The cycle may require up to 1 hour to complete. If the warning banner is red, use Cat® ET to complete a regeneration cycle as soon as possible. If no engine regeneration warning is shown, go to the next step.
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Illustration 8 g06016017 - Press and hold push to start switch (13). Release the switch when the engine stops.
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Illustration 9 g06016019 - Move machine power switch (14) to the OFF position.
- Open pump compartment door (15).
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Illustration 11 g06016291 - Slowly remove cap (16) from the hydraulic fill port. Listen for escaping pressure.
- Install cap (16) on the hydraulic fill port.
- If pressure escaped from the tank, perform the repair procedure. Otherwise, close pump compartment door (15), and secure the door with the latches.
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| Illustration 10 | g06016285 |
- Remove four screws (18) and remove engine access plate (17) at the rear of the hopper.
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Illustration 13 g06016332 - Replace breather (19).
- Position engine access plate (17), and install four screws (18).
- Close pump compartment door (15), and secure the door with the latches.
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| Illustration 12 | g06016303 |
