Lubrication System
02
060
5
RG,RG34710,211 –19–13AUG99–1/1
Remove, Inspect, and Install Oil Pressure
Relief Valve (If Equipped)
RG8245D –UN–06DEC97
Removing Oil Pressure Relief Valve
B—Oil Pressure Relief Valve Assembly
G—Oil Filter Housing
NOTE: Refer to OIL FILTER AND OIL CONDITIONING
HOUSING ASSEMBLY, earlier in this group, for
illustrated location of valves.
Oil pressure relief valve is in same location on oil
cooler cover/valve housing on remote filter
applications.
1. Remove oil pressure relief valve assembly (B) from oil
filter housing (G).
2. Clean all parts with a brass or copper wire brush and
solvent. Dry with compressed air.
3. Inspect valve and valve bore for damage. Replace if
necessary.
4. Check valve spring for proper compression. Replace if
not within specification.
Specification
Oil Pressure Relief Valve
Spring—Free Length 79.0 mm (3.11 in.)....................................................
Working Load @ 196—222 N
(44—50 lb-force) 65.0 mm (2.56 in.)...........................................................
5. Dip all parts in clean engine oil. Insert valve and spring
assembly in housing.
6. Install plug using a new O-ring and tighten securely.
CTM100 (06APR04)
02-060-5
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=273
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