TM 5-3805-261-23-2
COMBINATION VALVE MAINTENANCE - CONTINUED
0323 00
DISASSEMBLY - CONTINUED
21.
Remove plug (129) and preformed packing (135). Dis-
129
card preformed packing.
130
22.
Remove elbow (133) and preformed packing (134).
Discard preformed packing.
131
23.
Remove elbow (132) and preformed packing (131)
132
from body (130). Discard preformed packing.
135
24.
Remove supplemental steering pressure switch (WP
133
0087 00).
134
397-4340
CLEANING AND INSPECTION
Clean and inspect all parts in accordance with WP 0020 00.
TESTING
NOTE
Replace springs if broken, collapsed, have twisted coils, or are out of tolerance.
1.
Use spring tester and torque wrench to apply test load to spring (98). Test load is 24.99 to 27.61 lb (11.34 to 12.52 kg).
2.
Measure length of spring (98). Test length is 1.53 in. (3.89 mm).
3.
Remove test load.
4.
Measure free length of spring (98). Free length should be 2.375 in. (6.03 mm).
5.
Use spring tester and torque wrench to apply test load to spring (101). Test load is 64 to 70 lb (29 to 32 kg).
6.
Measure length of spring (101). Test length should be 1.43 in. (3.63 mm).
7.
Remove test load.
8.
Measure free length of spring (101). Free length should be 1.74 in. (4.42 mm).
9.
Use spring tester and torque wrench to apply test load to spring (108). Test load is 63.9 to 75.1 lb (29.0 to 34.1 kg).
10.
Measure length of spring (108). Test length should be 1.66 in. (4.22 mm).
11.
Remove test load.
12.
Measure free length of spring (108). Free length should be 2.42 in. (6.15 mm).
98,101,108
98,101,108
TEST LENGTH
TEST LENGTH
397-4341
397-2300
0323 00-11
