Disassembly And Assembly Of Travel Ppc Valve Assembly - Komatsu PC130-8 Shop Manual

SEN04130-01
Disassembly and assembly of
travel PPC valve assembly
Special tools
Sym-
Part No.
bol
2 796T-416-1010 Push tool
T 3 796T-416-1030 Push tool
4 796T-416-1020 Push tool
Disassembly
1. Remove screw (22) to remove lever (21).
2. Remove mounting bolt (19) to remove case
(18), shaft (16) and lever (13) assembly.
3. Remove pin (17).
4. Remove shaft (16) bushing (14) (14a) and
lever (13) from the case.
5. Remove mounting bolt (11) to remove plate
(10).
a Check the thickness and the mounting
position of washer (12).
a Remove pin (24) from body (1).
30
Part name
t 1 N Q
t 1 N Q
t 1 N Q
1
6. Remove seal (9) and collar (8).
7. Remove piston (7) to remove retainer (6),
springs (5) and (4) and shim (3).
a Store shim (3) after checking the thickness
and the number of shims at each mount-
ing position.
8. Remove valve (2) from body (1).
50 Disassembly and assembly
PC130-8