|
| |
TM10-4930-239-12&P
4-14. VALVE ASSEMBLY, 4.00 INCH GATE.
This Task Covers:
Repair
Initial Setup:
Tools Required
Tool Kit, General Mechanic's (Appendix B, Item 1)
Material’s Required
Brush, Medium Bristle (Appendix E, Item 2)
Solvent, Dry Cleaning (Appendix E, Item 3)
Cloth, Lint-Free (Appendix E, Item 1)
Gasket, Cork (Appendix E, Item 5)
Washer, Lock, Split (Appendix E, Item 4)
Equipment Condition
Assembly removed from FSSP installation.
Repair. (Refer to Figure 4-5.)
NOTE
Repair is limited to replacement of parts found defective during inspection.
a. Disassembly.
(1) Remove quick disconnect cap (1) and gasket (2) from coupling half (3).
(2) Remove quick disconnect plug (4) and gasket (5 ) from coupling half (6).
(3) Remove sixteen screws (7), sixteen flat washers (8), sixteen lock washers (9), and sixteen nuts (10), coupling
half (3), coupling half (6), and two gaskets (11) from gate valve (12). Discard gaskets (11) and lock washers (9).
(4) Remove split ring (13) from coupling half (3).
b. Clean.
(1) Remove all build up of dirt, oil, and debris from all mating surfaces and clamping areas.
WARNING
DO NOT breath dry cleaning solvent vapors for long periods of time or allow
solvent to come into contact with skin for an extended time. DO NOT use solvent
near open flames or excessive heat.
(2) Clean all metallic parts with a clean soft cloth (Appendix E, Item 1) or a medium bristle brush (Appendix E, Item
2), and cleaning solvent (Appendix E, Item 3). Allow parts to dry.
4-16
|
