TM 10-4320-307-24
3-9 PIPING AND VENT ASSEMBLY REPAIR .
This task covers:
a. Disassembly
b. Cleaning/lnspection/Repair c. Assembly
INITIAL SETUP
Tools
Tool kit, general mechanic's (Item 1, Appendix B)
Materials/Parts
Dry cleaning solvent (Item 30, Appendix C)
Packing
Gaskets
Seals
Manual References
TM 10-4320-307-10
Equipment
Condition
Reference
Condition Description
TM 10-4320-307-10
Pumping assembly off and in
a safe condition
General Safety Instructions
Well ventilated area
DISASSEMBLY:
Insure all pressure is bled from pumping assembly. Failure to do so could result in death or
injury.
NOTE
It is not necessary to remove the piping and vent assemblies in order to disassemble and repair the vent
valves.
1.
Remove air vent valve handwheel nut (1) and
washer (2).
2.
Remove handwheel (3).
3.
Remove yoke nut locker(4).
4.
Remove yoke nut (5).
5.
Remove gland nuts (6).
6.
Remove gland flange (7).
7.
Remove packing gland (8).
8.
Remove gland bolt studs(9).
9.
Remove packing (10).
10. Remove four bolts and lockwashers (11), bonnet
(12), and gasket (13).
11. Remove stem disc connecting ring (14) and disc
(15).
12. Remove seat (16) from body (17).
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