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TM 10-4930-229-12&P
4-14. Valve, Elbow Coupler.
This task covers:
a. Repair
b. Replace
INITIAL SETUP
Tools:
General Safety Instructions:
Tool Kit, General Mechanic’s, Item 1, Section III,
Appendix B
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Materials/Parts:
Cleaning Solvent, Item 4, Appendix E
Rags, Wiping, Item 5, Appendix E
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Sealing Compound, Item 3, Appendix E
Gaskets, Appendix F
Packing, Appendix F
Equipment Conditions:
FARE shutdown, para 2-12.
Inspected, para. 3-6
WARNING
Do not smoke or use an open flame in the
vicinity of the FARE, failure to comply may
result in personnel injury.
Drain any fuel into suitable container. Clean up
any fuel spills to prevent fire or environmental
hazard.
a. Repair. (figure 4-5)
(1) Disassembly.
(a) Inspect valve for leaks, ease of operation and damaged or missing components.
WARNING
Cleaning solvent, Federal Specification PD-680, is toxic and flammable.
Use only in a well-ventilated area. Avoid prolonged breathing of fumes.
Keep solvent away from flames. Do not use in excessive amounts.
Avoid skin contact.
(b) Clean valve with cleaning solvent, allow to dry.
(c) Remove wheel nut (1), handwheel (2) and packing nut (3).
(d) Remove gland (4) and packing (5) from stem (6). Then unscrew stem (6) and integral thrust pin (7)
from valve body (8). Discard packing.
(e) Remove gaskets (9). Discard gaskets.
(f) Remove sealing compound from threads.
(g) Replace any pans found to be defective with new parts from stock.
4-18
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