Removal Procedure
Start By:
- Remove the quick coupler. Refer to Disassembly and Assembly, "Quick Coupler - Remove and Install".
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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 product. 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 on Caterpillar products. Dispose of all fluids according to local regulations and mandates. |
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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, 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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Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Note: The Coupler cylinder must be fully retracted prior to disconnecting any hoses. The coupler cylinder can be removed with the quick coupler on the machine. The quick coupler has been removed in order to provide photographic clarity.
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| Illustration 1 | g00639923 |
- Remove two bolts (1) and the washers. Remove cover (2) .
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| Illustration 2 | g00639930 |
- Remove two hydraulic lines (3) and (4). Remove bolt (5). Remove the nut and the washer.
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| Illustration 3 | g00639940 |
- Remove setscrew (6) .
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| Illustration 4 | g00640237 |
- Push pin (7) upward toward the cylinder. Align drive pin (8) with the threaded hole from setscrew (6) .
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| Illustration 5 | g00640111 |
- Remove drive pin (8) through hole (9) in the front of quick coupler (10) .
Note: Threaded hole from setscrew (6) and hole (9) are in alignment.
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| Illustration 6 | g00640123 |
- Remove coupler cylinder (11) from quick coupler (10) .
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| Illustration 7 | g00640132 |
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| Illustration 8 | g00640237 |
- Remove pin (7) from quick coupler (10) .
Installation Procedure
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| Illustration 9 | g00640132 |
- Install pin (7) into quick coupler (10) .
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| Illustration 10 | g00640123 |
- Push pin (7) into quick coupler (10). Install coupler cylinder (11) into quick coupler (10) .
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| Illustration 11 | g00640111 |
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| Illustration 12 | g00640237 |
- Align the hole (9 ) with the hole in the rod of coupler cylinder (11). Align the hole in the rod of coupler cylinder (11) to the hole in pin (7) .
- Install push pin (7) through the holes. Push pin (7) will secure pin (7) to coupler cylinder (11) .
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| Illustration 13 | g00639940 |
- Install setscrew (6) into quick coupler (10) .
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| Illustration 14 | g00639930 |
- Install bolt (5) into quick coupler (10). Bolt (5) secures coupler cylinder (11) to quick coupler (10). Install the washer and the nut.
- Install two hydraulic lines (3) and (4) to coupler cylinder (11) .
Note: Hydraulic lines (3) and (4) must be connected properly. Improperly connected hydraulic lines will cause a safety problem.
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| Illustration 15 | g00639923 |
- Install cover (2). Secure cover (2) with two bolts (1) and the washers.
- Lubricate quick coupler (9) .
End By:
Install the quick coupler. Refer to Disassembly and Assembly, "Quick Coupler - Remove and Install".
