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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 | 4C-9436 | Flow Meter Gp | 1 |
| 6V-8713 | Connector | 2 | |
| 7J-9108 | O-Ring Seal | 2 | |
| 3D-2824 | O-Ring Seal | 2 | |
| B | 122-6871 | Hydraulic Hose | 1 |
| 124-2150 | Permanent Coupling (90 degree elbow) |
1 | |
| 124-2119 | Permanent Coupling (STORS female swivel) |
1 | |
| C | 4C-6500 | Digital Thermometer | 1 |
- Drive the machine to a smooth, horizontal surface.
- Move propulsion lever (1) to the NEUTRAL position.
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| Illustration 1 | g01407630 |
- Move parking brake switch (2) to the ON position.
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| Illustration 2 | g01407609 |
- Move throttle switch (3) to the LOW IDLE position.
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| Illustration 3 | g01407610 |
- Move engine start switch (4) to the OFF position.
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| Illustration 4 | g01407660 |
- Unhook latch (5) and open the engine compartment.
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| Illustration 5 | g01407663 |
- Remove locking pin (6). Raise support bar (7), and lock the bar in position with the locking pin.
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| Illustration 6 | g01407667 |
- Assemble Tool (A). Assemble Tool (B). Connect Tool (B) to inlet side of Tool (A).
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| Illustration 7 | g01408185 |
- Disconnect steering outlet hose (8).
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| Illustration 8 | g01408187 |
The Engine is Shown From Right Side of Machine. | |
- Connect Tool (B) to the outlet port of the steering pump.
- Connect steering pump outlet hose (8) to outlet side of Tool (A) .
- Move engine start switch (4) to the START position. Release the switch when the engine starts.
- Operate the engine at low idle for few minutes. Move throttle switch (3) to the HIGH IDLE position.
- Monitor hydraulic oil temperature with Tool (C). Operate the machine until the oil temperature reaches 43 ± 5.6 °C (110 ± 10 °F).
- Read flow on Tool (A). The flow should be 58 ± 5 L/min (15 ± 1.3 US gpm).
- Move throttle switch (3) to the LOW IDLE position.
- Move engine start switch (4) to the OFF position.
- Remove Tool (A) and Tool (B) from the steering pump. Reconnect steering pump outlet hose (8). Close the engine compartment.