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REMOVE AND INSTALL PROPEL PILOT CONTROLLER - Continued
DISASSEMBLE AND ASSEMBLE PROPEL PILOT CONTROLLER - Continued

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Hydraulic System
DISASSEMBLE AND ASSEMBLE PROPEL PILOT CONTROLLER
0--Propel Pilot Controller
6B--Seal (4 used)
9--Lock Washer (2 used)
15--Cap Screw, Lock
1--Spacer (4 used)
6C--O-Ring (4 used)
10--Cam (2 used)
Washer, Washer (2
2--Shim (12 used)
6D--Plunger (4 used)
11--Pin (2 used)
used)
3--Balance Spring (4 used)
7--Holder
11A--Bushing (4 used)
16--Plug
4--Spring Guide (4 used)
7B--Bushing (2 used)
12--Spring Pin (2 used)
17--O-Ring
5--Return Spring (4 used)
7C--Bushing (2 used)
13--Spring Pin (2 used)
23--Plate
6--Plunger (4 used)
8--Cap Screw (2 used)
14--Cover
30--Housing and Spools
33
3360
78
1. Remove cover (14).
IMPORTANT: The housing and spools (30) are
replace as an assembly because the
2. Slowly loosen the cap screws (8) to release the
spools are select fitted to bores in
spring force of balance spring (3) and return springs
housing. Spools must be installed
(5) on holder (7).
into the same ports from which they
were removed.
Continued on next page
TX,33,GG2558 1921SEP981/4
21-114


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