Gear Pump (Pilot) - Disassemble
Disassembly Procedure
Start By:
- Remove the main hydraulic pump and gear pump. Refer to Disassembly and Assembly, "Main Hydraulic Pump and Gear Pump (Pilot) - Remove".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.
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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. |
- Remove bolts (1) in order to separate gear pump (2) from piston pump (3) .
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| Illustration 1 | g01171910 |
- Remove sleeve (4) from gear pump (2) .
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| Illustration 2 | g01171911 |
- Remove bolts (5) and manifold (6) .
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| Illustration 3 | g01171912 |
- Remove plate (7) from manifold (6) .
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| Illustration 4 | g01171913 |
- Remove seal (8) from plate (7) .
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| Illustration 5 | g01171914 |
- Remove seal (9), balls (10), and gears (11) .
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| Illustration 6 | g01171915 |
- Remove plate (12) and body (13) .
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| Illustration 7 | g01171916 |
- Remove seal (14) from plate (12) .
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| Illustration 8 | g01171941 |
- Reposition body (13) and remove plate (15), gear (16), and gear (17) .
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| Illustration 9 | g01171917 |
- Remove seal (18) from plate (15) .
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| Illustration 10 | g01171942 |
- Remove plate (19) and bushings (20) from body (13) .
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| Illustration 11 | g01171918 |
- Remove seal (21) from plate (19) .
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| Illustration 12 | g01171943 |
- Remove seal (22), balls (23), and bushings (24) from flange (25) .
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| Illustration 13 | g01171919 |
Caterpillar Information System:
Supplemental Product Support Literature for a Factory Installed 20 kW Right Front Corner Mounted Generator Set ( 247-5442 Hydraulic Generator Arrangement) and the Operation Instructions {1404, 1408, 4450, 5057, 5070, 7000} Supplemental Product Support Literature for a Factory Installed 20 kW Right Front Corner Mounted Generator Set ( 247-5442 Hydraulic Generator Arrangement) and the Operation Instructions {1404, 1408, 4450, 5057, 5070, 7000}
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