Gear Pump (Pilot) - Assemble
- Check the condition of all seals. If any seals are worn or damaged, use new parts for replacement.
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Illustration 1 g00348783 - Install lip seal (18) in bottom cover (3) until the seal contacts the counterbore inside the cover. Make sure that the sealing lip is facing toward the inside of the pump. Lubricate the sealing lip with clean hydraulic oil.
- Install snap ring (17).
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Illustration 2 g00348782 Note: Note the location of recess (15) in bottom bushing (16). The recess points toward the suction side of body (2). This is the large opening in the pump body.
- Install bottom bushing (16).
- Apply 1U-6396 O-Ring Assembly Compound to O-ring seal (12). Install backup seal (14), seal (13) and O-ring seal (12).
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Illustration 3 g00348781 - Install bottom cover (3) on body (2).
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Illustration 4 g00348779 - Install two gears (10) and (11). If the original gears are worn or damaged, replace the gears.
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Illustration 5 g00348776 Note: Note the location of recess (8) in top bushing (9). The recess points toward the suction side of body (2). This is the large opening in the pump body.
- Install top bushing (9).
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Illustration 6 g00348775 - Apply 1U-6396 O-Ring Assembly Compound to O-ring seal (5). Install backup seal (7), seal (6) and O-ring seal (5).
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Illustration 7 g00348774 - Install top cover (1) on body (2).
- Install four bolts (4). The torque for the bolts is
70.5 ± 2.5 N·m (52 ± 2 lb ft) .
End By:
- Install the pilot pump. Refer to Disassembly and Assembly, "Gear Pump (Implement Pilot) - Install".
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