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PRELIMINARY CYLINDER HEAD AND VALVE CHECKS
INSPECT AND MEASURE VALVE SPRINGS

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Cylinder Head and Valves
REMOVE VALVE ASSEMBLY
05
27
NOTE: A small magnet may be used to aid removal of
valve retainer locks.
1. Using JDE138 Valve Spring Compressor, compress
valve springs far enough to remove retainer locks (D).
2. Release spring tension and remove valve rotator (C)
and valve spring (B).
3. Remove valves from cylinder head.
NOTE: Identify all parts for assembly in same location.
4. Remove valve stem seals (A) (if equipped) from valve
guide tower.
A--Valve Stem Seal
B--Valve Spring
C--Valve Rotator
D--Retainer Locks
RG,05,DT7366 1911NOV971/1
13-85


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