Electric Proportional Control Module - Danfoss H1B 060 Service Manual

Service Manual
H1 Bent Axis Motors, Size 060/080/110/160/210/250 cm3
Minor repair

Electric proportional control module

46 | © Danfoss | August 2018
Coil O-rings are not included in the overhaul seal kit. They may be purchased as a separate kit.
Disassembly
1. Remove the plastic cap (B0040) and O-ring (B0029). Discard the O-ring.
2. Remove the solenoid nut (B0027) using a 26mm 12-point socket. Remove and discard the O-ring
(B0028).
3. Remove the coil (B0020A). Remove and discard the O-ring (B0025).
4. Use a 4 mm internal hex wrench to remove screws (B0050). Remove solenoid (B0010).
5. Remove and discard O-ring (B0035A).
6. Remove spool (C0100).
7. Using a 1/4 in internal hex wrench remove plug (C0050) and discard O-ring (C0050A).
8. Use a 5 mm internal hex to remove shuttle valve (C0025).
9. Using a 1/8 in internal hex wrench, remove 3 plugs (C0060) and discard O-rings (C0060A).
10. Using a 3 mm internal hex, remove 2 orifices (E00T3 and E00T2).
Inspection
Inspect the machined surfaces on the control and the endcap. If you find any nicks or scratches, replace
the control or endcap assembly. Check that shuttle ball moves freely in housing (C0025).
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