Hydraulic Proportional Control Module - Danfoss H1B 060 Service Manual

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

Hydraulic proportional control module

© Danfoss | August 2018
Disassembly
1. Use a 4 mm internal hex wrench to remove screws (B0050). Remove actuator (B0010).
2. Remove and discard O-ring (B0035A).
3. Using a 1/4 in internal hex wrench remove plug (C0050) and discard O-ring (C0050A).
4. Use a 5 mm internal hex to remove shuttle valve (C0025).
5. Using a 1/8 in internal hex wrench, remove 3 plugs (C0060) and discard O-rings (C0060A).
6. 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).
Assembly
C0090
C0090A
C0080
C0070
1/8 in
8 N•m
[6 lbf•ft] C0060
C0060A
C0050
C0050
40 N•m
C0050A
C0050A
[30 lbf•ft]
C0060
C0060A
1/8 in
C0060 C0060A
8 N•m
[6 lbf•ft]
C0060 C0060A
0010
0020
B0061
B0010
B0050
1. Install orifices (E00T3 and E00T2) with torque to 6 N•m [4 lbf•ft].
2. Lubricate and install new O-rings (C0060A).
3. Install and torque plugs (C0060) to 8 N•m [6 lbf•ft] using a 1/8 inch internal hex wrench.
4. Lubricate and install spool (C0025) into control block using a 5 mm internal hex wrench, torque to 14
N•m [11 lbf•ft]
5. Install new O-ring (C0050A).
6 N•m [4 lbf•ft]
E00T2
3 mm
C0140
C0010
C0060A
C0060A
C0060A
C0060
C0120
C0060A
C0060
C0110
1/8 in
C0100
8 N•m
[6 lbf•ft]
B0190
B0060
0020
0010
DHMH
B0180
1/8 in
C0060
8 N•m
[6 lbf•ft]
C0060
40 N•m
C0050A
[30 lbf•ft]
C0050
6 N•m [4 lbf•ft]
E00T3
3 mm
C0060
C0060A
1/8 in
8 N•m
C0020 [6 lbf•ft]
C0140
C0050A
C0050
40 N•m
[30 lbf•ft]
P108832
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