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TM 5-4320-306-24
2-21. REPLACE/REPAIR DISCHARGE CHECK VALVE ASSEMBLY
This task covers:
a.
Disassembly
c.
Assembly
b.
Cleaning/Inspection/ Repair
INITIAL SETUP:
Tools
Equipment
Condition
Shop equipment, automotive maintenance
Para
Condition Description
and repair, common no. 1
Tool kit, general mechanics automotive
2-19
Discharge check valve assembly re-
moved from discharge manifold
Materials/Parts
assembly
Crocus abrasive cloth (Item 1, Appendix C)
Sealing compound (Item 15, Appendix C)
DISASSEMBLY:
1
Remove cap screw (1 ), lockwasher (2), washer
(3), and spacer sleeve (4).
2
Disconnect extension spring (5) from spacer
sleeve (4).
3
Unscrew extension handle (6) and remove
extension spring (5).
4
Loosen setscrew (7) and slide handle lever (8)
from shaft (9).
5
Remove woodruff key (10).
6
Remove retaining rings (11), friction ring (12),
and shaft seal (13). Discard friction ring (12)
and shaft seal (13).
7
Remove pipe plug (14).
8
Loosen setscrews (15) in valve arm (16) and
pull out shaft (9).
9
Remove key (17).
10
Remove cotter pin (1 8) from nut (1 9).
11
Remove nut (19) and shoulder bolt (20).
12
Remove valve seal disc (21) and valve arm
(16).
2-82
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