3. Inspect the shaft bearing (C003) for damage and rotate to ensure smoothness. If you suspect
contamination or damage, clean with solvent and lubricate with hydraulic fluid. Replace if necessary.
If you are not replacing the shaft or bearing, proceed with reassembly.
Shaft bearing replacement
1. Remove the retaining ring (C002) using snap ring pliers.
2. Observe the orientation of the chamfer on the bearing. Press the bearing off of the shaft.
3. Verify the chamfer on the bearing is facing toward the pump. Press the new bearing onto the shaft.
Press only on the inner race of the roller bearing.
4. Using snap-ring pliers, install the retaining ring (C002).
Service Manual
Series 42 Axial Piston Closed Circuit Pumps
Minor Repair
66 520L0638 • Rev 0300 • July 2015
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