Shaft Removal (Cartridge) - Danfoss 51 Series Repair Instructions

Bent axis motors

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Repair Instructions

Disassembly

Shaft removal (Cartridge)

Series 51 and 51-1 Bent Axis Motors Repair Instructions

1. Remove screws (L70) retaining the mounting flange (L35) to the main housing (B10).

2. Remove the mounting flange using a suitable puller.

3. Remove the O-ring (L50); discard.

4. Remove the shaft seal (L40) from the flange; discard.

5. Press shaft assembly out of main housing, taking care not to damage the shaft and speed sensor ring

(if installed).

Caution

Do not damage piston sockets.

1. Remove retaining ring (L80).

2. Remove seal carrier (L750).

3. Remove shaft seal (L40); discard.

4. Remove retaining ring (L80) for the shaft seal carrier (L750) from the bearing housing (L35).

5. Remove the screws (L70) retaining the bearing housing (L35) to the main housing (B10).

6. Separate the bearing housing from the main housing (B10).

7. Remove the retaining ring (L81) if present.

8. Remove spacer ring (L95).

9. Remove O-rings (L85 and L90, or gasket L82); discard.

11009449 • Rev BA • December 2014

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