Danfoss H1 - Front Shaft, Seal, and Bearing

4. Pull assembly fixture out before installing control screws.
Solenoid shaft
Feedback pin
Adjusting
screw
(cam)
Maximum
adjustment
less than 120°
Control spool
Remove plug (D065) and verify the swashplate feedback pin is properly positioned between control
feedback arms.
5. Using a 5 mm internal hex wrench, fasten control to pump with screws (D250). Torque screws to 13.5
N•m [10 lbf•ft] following torque sequence shown.
1
2
3
6
5
4
Torque sequence
(6 screw control)
D065
W
Warning
Calibration of sensor output in vehicle software is mandidtory after sensor replacement because
output signal can vary from one sensor to the next.
For proper neutral adjustment procedure, refer to Control Neutral Adjustment topic
Front Shaft, seal, and bearing
The front pump input shaft assembly is serviceable without disassembling the pump, the rear shaft is not.
Orient the pump on the work surface so the shaft is pointing to the side.
Removal
1. Remove the retaining ring (J300) from the housing to release the shaft/seal/bearing subassembly.
Service Manual
H1 45/53/60/68 Tandem Closed Circuit Axial Piston Pumps
Minor repair
54 |
©
Danfoss | June 2018 520L0928 | AX00000103en-US0303