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TM 9-2330-272-14
4-99. MANIFOLD VALVE REPAIR.
This Task Covers:
a.
Disassembly
c.
Assembly
b. Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
• Manifold valve removed (para 4-98).
• Dry cleaning solvent (Hem 16, Appendix E)
Tools/Test Equipment:
• One preformed packing
• One valve disk
• General mechanic’s tool kit
• One washer packing
• Common no. 1 shop set
a.
DISASSEMBLY
1.
Remove nut (1) and handwheel (2) from stem (9).
2.
Remove nut (3), packing retainer (4), and bonnet (7) from stem (9).
3.
Remove preformed packing (5) and washer packing (6) from bonnet (7). Discard performed packing and
washer packing.
4.
Remove nut (13), retainer (12), and valve disk (11) from stem (9), Discard valve disk.
5.
Remove retainer (10) from nut (8) and stem (9).
b. CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open frame or excessive heat.
The solvent’s flash point is 100°F-138°F (38°C-59°C). If you become dizzy while
using cleaning solvent, immediately get fresh air and medical help. If solvent contacts
eyes, immediately wash your eyes and get medical aid.
1.
Clean parts with dry cleaning solvent. Allow to dry.
2.
Inspect parts for damage. Replace any damaged parts.
4-218
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