HPRV (60/68)
The high pressure relief and pressure limiter valve assemblys may be removed for cleaning and
replacement of the O-rings. HPRV valves are factory set and are not field adjustable. Refer to the
pump model code for the factory setting of each valve when ordering replacements.
Removal
1. Mark the location of each valve prior to removal.
2. Using a 22mm wrench remove the HPRVs.
3. Remove and discard the Orings (L060) and backup rings (L068).
Inspection
Clean oil off the sealing surfaces and inspect the sealing surfaces for nicks or scratches. Check the
valves for damage. Replace any damaged components.
Reassembly
1. Lubricate and install new backup rings (L068) and O-rings (L060).
2. Install HPRV and pressure limiter valves in their original locations.
Service Manual
H1 45/53/60/68 Tandem Closed Circuit Axial Piston Pumps
Minor repair
60 |
©
Danfoss | June 2018 520L0928 | AX00000103en-US0303
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