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 TM 10-3930-660-24-2
HYDRAULIC JOYSTICK CONTROL VALVE MAINTENANCE - CONTINUED
0305 00
CLEANING
See Cleaning instructions (WP 0316 00).
INSPECTION
1.
Inspect boot (1) for tears, stretching or signs of deteri-
oration.
1
2.
Inspect springs (16 and 23) for signs of stretching or
distortion.
3.
Inspect plungers (19) and spools (24) for burrs, nicks
2
or score marks.
4
4.
Inspect bores in caps (10) and plugs (20) for burrs,
6
nicks or score marks.
5.
Inspect nut (2), pivot plate (4) and pivot bolt assembly
3
(5) threads for damage.
7
5
8
409-1466
ASSEMBLY
NOTE
Apply a coat of clean transmission oil to all internal sliding surfaces.
1.
Assemble spool (24) to spring seat (22) using pin (21).
2.
Install new O-rings (26 and 27) and new back-up ring (25) on plug (20).
3.
Place spring (23) on spool (24) and insert spool (24) in top of plug (20).
4.
Install plug (20) and associated parts in bottom of housing (28). Tighten plug to torque of 29 to 41 lb-ft (39 to 56 Nm).
5.
Repeat steps 1 thru 4 for other four sets of metering capsule parts.
6.
Install spring seat (18) and retaining ring (17) on plunger (19).
7.
Install spring (16), spring seat (14) and retaining ring (15) on plunger (19).
8.
Install retainer (13) and new seal spool (12) on plunger (19).
9.
Install new O-ring (11) on cap (10) and install cap on plunger (19). Secure with retaining ring (9).
10.
Install assembled parts (9 thru 19) in bore in housing (28).
11.
Repeat steps 6 thru 10 for three other plunger capsule assemblies.
0305 00-3
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