Disassembly And Assembly Of Travel Ppc Valve Assembly - Komatsu Galeo PC138US-8 Shop Manual

SEN02713-00
Disassembly and assembly of
travel PPC valve assembly
Disassembly
1. Remove screw (13) to remove lever (9).
2. Remove pin (5) from plate (8), and remove the
plate (8) from the lever (9).
3. Remove mounting bolt (15) to remove case
shaft assembly (17).
4. Remove shaft (6) from the case.
5. Remove lever (7), bushing (4) and pin (5) from
the case.
6. Remove mounting bolt (16) to remove plate
(18) together with damper assembly (19).
a Check the thickness and the mounting
position of washer (10).
7. Remove mounting bolt (12) to remove damper
assembly (19) from plate (18).
8. Remove seal (20) and collar (21).
9. Remove piston (1) to remove retainer (22),
springs (23) and (2) and shim (3).
a Store shim (3) after checking the thickness
and the number of shims at each mount-
ing position.
10. Remove valve (24) from body (25).
a Do not remove plug (11).
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50 Disassembly and assembly
PC138US, USLC-8