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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. |
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Personal injury can result from hydraulic oil pressure and hot oil. Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system. Make sure all of the attachments have been lowered, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. |
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| NOTICE |
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Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. |
| Required Tools | |||
|---|---|---|---|
| Tool | Part Number |
Description | Qty |
| A | 8T-0855 | Pressure Gauge 0 to 4000 kPa (0 to 580 psi) |
2 |
| 6V-4144 | Quick Connect Coupler | 2 | |
| B | 177-7860 | Hose As | 2 |
| 6V-4142 | Fitting | 2 | |
| 6V-4143 | Quick Connect Coupler | 2 | |
| C | 110-6349 | Fitting As | 2 |
Preparation for the Testing and Adjusting Procedures
- Drive the machine to a smooth, horizontal surface.
- Move propulsion lever (3) to the NEUTRAL position.
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| Illustration 1 | g01363182 |
- Rotate speed dial (2) to the MINIMUM position.
- Move parking brake switch (1) to the ON position.
- Move screed lift switch (4) to the FLOAT position. Allow the screed to lower to the ground.
Note: The screed lift switch on the inactive operator station must also be in the FLOAT position in order to lower the screed.
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| Illustration 2 | g01363186 |
- Move throttle control switch (5) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
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| Illustration 3 | g01363187 |
- Move engine start switch (6) to the OFF position.
- Open pump compartment (7), which is on the right side of the machine.
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| Illustration 4 | g01363188 |
Testing and Adjusting Procedure for the Right Conveyor Pump
- Remove the plug in port "M4" (9) from right conveyor pump (8) .
Note: Perform the operations in the "Preparation for the Testing and Adjusting Procedures" section before proceeding.
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| Illustration 5 | g01363191 |
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| Illustration 6 | g01363193 |
- Install one Tool (C) in port "M4" (9). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Remove the plug from port "M5" (10) .
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| Illustration 7 | g01363198 |
- Install one Tool (C) in port "M5" (10). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Install one Tool (A) on each Tool (B). Connect one Tool (B) to Tool (C) in port "M4" (9). Connect one Tool (B) to Tool (C) in port "M5" (10) .
- Disconnect reverse EDC at connector (11) .
 | |
| Illustration 8 | g01363199 |
- Disconnect forward EDC at connector (12) .
Note: Disconnection of the EDC connectors will cause a fault to appear in the monitoring system when the machine is started. After this procedure is completed and the EDCs are reconnected, the fault will no longer be active.
- Move engine start switch (6) to the START position. Release the engine start switch when the engine starts.
Note: The switch for the screed lift must be reset to the HOLD position before the machine will start.
- Operate the engine at low idle for a few minutes.
- Move throttle control switch (5) to the HIGH IDLE position. Hold the switch in this position for less than 1 second. The engine speed should increase to 2200 rpm.
- Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43° ± 5.6°C (110° ± 10°F).
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| Illustration 9 | g01363203 |
- Read the pressure on the gauge in port "M4" (9). Read the pressure on the gauge in port "M5" (10). The pressure should be equal. If the pressure is equal, go to Step 16. If the pressure is not equal, go to Step 13.
- Loosen locknut (13) on the pump adjustment mechanism. Turn adjustment screw (14) until the pressure at port "M4" (9) starts to increase over the pressure at port "M5" (10). Record the pressure reading on the gauge which is attached to the port "M4". Note the angular position of the wrench.
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| Illustration 10 | g01363205 |
Note: A small movement of the adjustment mechanism is all that will be required in order to change the pressure setting. Larger movements will cause the right conveyor to move.
- Rotate adjustment screw (14) in the opposite direction until the pressure at port "M5" (10) is equal to the pressure that was recorded during Step 13. Note the angular position of the wrench.
- Rotate adjustment screw (14) to the center of the positions which were noted in Step 13 and Step 14. Hold the adjustment screw in place, and tighten locknut (13) to a torque of 10 N·m (7 lb ft). Go back to Step 12.
- Stop the engine. Remove tooling. Reconnect EDC connector (11) and EDC connector (12) .
- If an adjustment was made, calibrate the right conveyor system. For the calibration procedure, refer to Specifications, Systems Operation/Testing and Adjusting, "Drag Conveyor - Calibrate".
Testing and Adjusting Procedure for the Right Auger Pump
- Remove the plug in port "M4" (16) from right auger pump (15) .
Note: Perform the operations in the "Preparation for the Testing and Adjusting Procedures" section before proceeding.
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| Illustration 11 | g01363212 |
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| Illustration 12 | g01363213 |
- Install one Tool (C) in port "M4" (16). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Remove the plug from port "M5" (17) .
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| Illustration 13 | g01363220 |
- Install one Tool (C) in port "M5" (17). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Install one Tool (A) on each Tool (B). Connect one Tool (B) to Tool (C) in port "M4" (16). Connect one Tool (B) to Tool (C) in port "M5" (17) .
- Disconnect reverse EDC at connector (18) .
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| Illustration 14 | g01363221 |
- Disconnect forward EDC at connector (19) .
Note: Disconnection of the EDC connectors will cause a fault to appear in the monitoring system when the machine is started. After this procedure is completed and the EDCs are reconnected, the fault will no longer be active.
- Move engine start switch (6) to the START position. Release the engine start switch when the engine starts.
Note: The switch for the screed lift must be reset to the HOLD position before the machine will start.
- Operate the engine at low idle for a few minutes.
- Move throttle control switch (5) to the HIGH IDLE position. Hold the switch in this position for less than 1 second. The engine speed should increase to 2200 rpm.
- Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43° ± 5.6°C (110° ± 10°F).
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| Illustration 15 | g01363226 |
- Read the pressure on the gauge in port "M4" (16) and on the gauge in port "M5" (17). The pressure should be equal. If the pressure is equal, go to Step 16. If the pressure is not equal, go to Step 13.
- Loosen locknut (20) on the pump adjustment mechanism. Turn adjustment screw (21) until the pressure at port "M4" (16) starts to increase over the pressure at port "M5" (17). Record the pressure reading on the gauge which is attached to the port "M4". Note the angular position of the wrench.
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| Illustration 16 | g01363230 |
Note: A small movement of the adjustment mechanism is all that will be required. Larger movements will cause the right auger to move.
- Rotate adjustment screw (21) in the opposite direction until the pressure at port "M5" (17) is equal to the pressure which was recorded during Step 13. Note the angular position of the wrench.
- Rotate adjustment screw (21) to the center of the positions which were noted in Step 13 and Step 14. Hold the adjustment screw in place, and tighten locknut (20) to a torque of 10 N·m (7 lb ft). Go back to Step 12.
- Stop the engine. Remove tooling. Reconnect EDC connector (18) and EDC connector (19) .
- If an adjustment was made, calibrate the right auger system. For the calibration procedure, refer to Specifications, Systems Operation/Testing and Adjusting, "Auger Converyor - Calibrate".
Testing and Adjusting Procedure for the Left Auger Pump
- Remove the plug in port "M4" (23) from left auger pump (22) .
Note: Perform the operations in the "Preparation for the Testing and Adjusting Procedures" section before proceeding.
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| Illustration 17 | g01363235 |
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| Illustration 18 | g01363237 |
- Install one Tool (C) in port "M4" (23). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Remove the plug from port "M5" (24) .
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| Illustration 19 | g01363238 |
- Install one Tool (C) in port "M5" (24). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Install one Tool (A) on each Tool (B). Connect one Tool (B) to Tool (C) in port "M4" (23). Connect one Tool (B) to Tool (C) in port "M5" (24) .
- Disconnect reverse EDC at connector (25) .
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| Illustration 20 | g01363242 |
- Disconnect forward EDC at connector (26) .
Note: Disconnection of the EDC connectors will cause a fault to appear in the monitoring system when the machine is started. After this procedure is completed and the EDCs are reconnected, the fault will no longer be active.
- Move engine start switch (6) to the START position. Release the engine start switch when the engine starts.
Note: The switch for the screed lift must be reset to the HOLD position before the machine will start.
- Operate the engine at low idle for a few minutes.
- Move throttle control switch (5) to the HIGH IDLE position. Hold the switch in this position for less than 1 second. The engine speed should increase to 2200 rpm.
- Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43° ± 5.6°C (110° ± 10°F).
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| Illustration 21 | g01363244 |
- Read the pressure on the gauge in port "M4" (23) and on the gauge in port "M5" (24). The pressure should be equal. If the pressure is equal, go to Step 16. If the pressure is not equal, go to Step 13.
- Loosen locknut (27) on the pump adjustment mechanism. Turn adjustment screw (28) until the pressure at port "M4" (23) starts to increase over the pressure at port "M5" (24). Record the pressure reading on the gauge which is attached to the port "M4". Note the angular position of the wrench.
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| Illustration 22 | g01363248 |
Note: A small movement of the adjustment mechanism is all that will be required. Larger movements will cause the left auger to move.
- Rotate adjustment screw (28) in the opposite direction until the pressure at port "M5" (23) is equal to the pressure which was recorded during Step 13. Note the angular position of the wrench.
- Rotate adjustment screw (28) to the center of the positions which were noted in Step 13 and Step 14. Hold the adjustment screw in place, and tighten locknut (27) to a torque of 10 N·m (7 lb ft). Go back to Step 12.
- Stop the engine. Remove tooling. Reconnect EDC connector (25) and EDC connector (26) .
- If an adjustment was made, calibrate the left auger system. For the calibration procedure, refer to Specifications, Systems Operation/Testing and Adjusting, "Auger Conveyor - Calibrate".
Testing and Adjusting Procedure for the Left Conveyor Pump
- Remove the plug in port "M4" (30) from left conveyor pump (29) .
Note: Perform the operations in the "Preparation for the Testing and Adjusting Procedures" section before proceeding.
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| Illustration 23 | g01363249 |
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| Illustration 24 | g01363250 |
- Install one Tool (C) in port "M4" (30). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Remove the plug from port "M5" (31) .
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| Illustration 25 | g01363251 |
- Install one Tool (C) in port "M5" (31). Tighten Tool (C) to a torque of 12 N·m (9 lb ft).
- Install one Tool (A) on each Tool (B). Connect one Tool (B) to Tool (C) in port "M4" (30). Connect one Tool (B) to Tool (C) in port "M5" (31) .
- Disconnect reverse EDC at connector (32) .
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| Illustration 26 | g01363253 |
- Disconnect forward EDC at connector (33) .
Note: Disconnection of the EDC connectors will cause a fault to appear in the monitoring system when the machine is started. After this procedure is completed and the EDCs are reconnected, the fault will no longer be active.
- Move engine start switch (6) to the START position. Release the engine start switch when the engine starts.
Note: The switch for the screed lift must be reset to the HOLD position before the machine will start.
- Operate the engine at low idle for a few minutes.
- Move throttle control switch (5) to the HIGH IDLE position. Hold the switch in this position for less than 1 second. The engine speed should increase to 2200 rpm.
- Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43° ± 5.6°C (110° ± 10°F).
 | |
| Illustration 27 | g01363254 |
- Read the pressure on the gauge in port "M4" (30) and on the gauge in port "M5" (31). The pressure should be equal. If the pressure is equal, go to Step 16. If the pressure is not equal, go to Step 13.
- Loosen locknut (34) on the pump adjustment mechanism. Turn adjustment screw (35) until the pressure at port "M4" (30) starts to increase over the pressure at port "M5" (31). Record the pressure reading on the gauge which is attached to the port "M4". Note the angular position of the wrench.
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| Illustration 28 | g01363256 |
Note: A small movement of the adjustment mechanism is all that will be required. Larger movements will cause the left conveyor to move.
- Rotate adjustment screw (35) in the opposite direction until the pressure at port "M5" (30) is equal to the pressure which was recorded during Step 13. Note the angular position of the wrench.
- Rotate adjustment screw (35) to the center of the positions which were noted in Step 13 and Step 14. Hold the adjustment screw in place, and tighten locknut (34) to a torque of 10 N·m (7 lb ft). Go back to Step 12.
- Stop the engine. Remove tooling. Reconnect EDC connector (32) and EDC connector (33) .
- If an adjustment was made, calibrate the left conveyor system. For the calibration procedure, refer to Specifications, Systems Operation/Testing and Adjusting, "Drag Conveyor - Calibrate".