Reassembly
1. Ensure that the cylinder kit and rear bearing are aligned. Insert the shaft assembly into the pump. It
may be necessary to grip the splined end of the shaft and twist to align it with the block splines and
properly seat it into the rear bearing.
Shaft seal, roller bearing, and shaft replacement
2. Lubricate a new O-ring (C017) with petroleum jelly and seat it into the housing, on top of the bearing.
3. Cover the end of the shaft with an assembly sleeve. Lubricate shaft seal with petroleum jelly.
4. Slide the seal carrier assembly over the shaft and into the housing. Press the seal carrier against the O-
ring. It may be necessary to use a large socket to press the seal carrier down completely.
5. Wind the spiral retaining ring (F096) into the groove in the housing.
Service Manual
Series 42 Axial Piston Closed Circuit Pumps
Minor Repair
520L0638 • Rev 0300 • July 2015 67
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