Hydraulic two-position control module with PCOR
Disassembly
1. Using a 1/8 inch internal hex wrench, remove two plugs (C0060). Remove and discard O-rings
(C0060A).
2. Using a 1/4 inch internal hex wrench, remove three plugs (C0050). Remove and discard Orings
(C0050A).
3. Use a 5mm internal hex wrench to remove the shuttle valve (C0025).
4. Using a 22 mm hex wrench, remove adapter (B0300). Remove and discard O-ring (QB0300).
5. Using a 17 mm hex wrench, remove pressure compensator adjusting plug (C0090). Remove and
discard O-ring (M223).
6. Remove spring (C0080). Remove spool (C0070).
7. If necessary, use a 3 mm internal hex wrench to remove orifices (E00T2) and (E00T3).
Inspection
Clean and inspect the machined surfaces on the control and the endcap. If any nicks or scratches are
found, replace the control/endcap assembly.
Assembly
Two-position control assembly (THHA)
1. If previously removed, install orifices (E00T3 and E00T2) using a 3 mm internal hex wrench with
torque to 6 N•m [4 lbf•ft].
2. Lubricate and install spool and (C0070) and spring (C0080).
3. Lubricate and install O-ring (M223).
4. Install pressure compensator adjusting plug (C0090) with torque to 25 N•m [15 lbf•ft].
5. Lubricate and install O-ring (QB0300).
6. Install adapter (B0300) with torque to 67 N•m [49 lbf•ft].
7. Lubricate and install spool (C0025).
8. Install three plugs (C0050) using a 1/4 inch internal hex wrench, with torque to 40 N•m [30 lbf•ft].
9. Install two plugs (C0060) using a 1/8 inch internal hex wrench, with torque to 8 N•m [6 lbf•ft].
Service Manual
H1 Bent Axis Motors, Size 060/080/110/160/210/250 cm3
Minor repair
©
Danfoss | August 2018 AX00000025en-US0504 | 55
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