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 TM 10-3930-660-24-2
TRANSMISSION CONTROL VALVE MAINTENANCE - CONTINUED
0293 00
DISASSEMBLY - CONTINUED
26
25
27
15.
Remove plug (24). Remove and discard O-ring (25).
29
28
16.
Remove dump valve spring (26) and dump valve (27).
40
36
17.
Depress accumulator piston (28) and remove roller
24
(29).
37
35
18.
Remove plug (30). Remove and discard O-ring (31).
34
38
19.
Remove snap ring (32), orifice plate, spool (34) and
33
shims (35) from end of valve body (36).
32
20.
Remove accumulator piston (28), accumulator spring
(37) and washer (38) from other end of valve body.
31
39
30
21.
Remove eight plugs (39) and one ball (40) if neces-
409-1220
sary.
CLEANING
See Cleaning instructions (WP 0316 00).
INSPECTION
See Inspection instructions (WP 0317 00).
ASSEMBLY
NOTE
Wipe all sealing surfaces on cylinder clean and dry. Apply film of clean hydraulic oil to all parts, except neu-
tral start switch, as they are installed.
Apply loctite to all plugs prior to installation.
1.
If removal was necessary, install one ball (40) and eight plugs (39). Ball (40) should be 0.03 in. (0.76 mm) below sur-
face.
2.
Install washer (38), accumulator spring (37) and accumulator piston (28) in one end of valve body (36). Depress accu-
mulator piston (28) to compress spring (37) and install roller (29) in hole toward back of valve body (36).
3.
Install dump valve (27) and dump valve spring (26).
4.
Install new O-ring (25) on plug (24). Install plug (24).
5.
Install shims (35), spool (34), orifice plate (33) and snap ring (32) on other side of valve body (36).
6.
Install new O-ring (31) on plug (30). Install plug (30).
7.
Install new oil seal (23) into valve body bore.
8.
Install stem (22) (directional spool). Use care to prevent damage to new oil seal (23).
9.
Install spacer (21) and nut (20) on stem (22) (directional spool).
10.
Install new O-ring (19) on cap (18). Install cap (18).
0293 00-3
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