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TM 55-1905-223-24-18-1
Replace/Repair Air Preparation System.
This task covers:
a. Removal, b. Disassembly, c. Repair, d. Assembly,
e. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
CA-1 control air cut-out at compressed
air manifold secured and tagged
"Out of Service - Do Not Operate."
Materials/Parts
(TM 55-1905-223-10)
Air preparation system P/N F011-120
Venturi meter P/N H032-62
Safety relief valve P/N H172-106
Ball valve P/N H172-105
F l u i d pressure filter parts kit
(for complete repair of air
preparation system) P/N B732-920
Warning tags, Item 1, Appendix C
Teflon tape, Item 5, Appendix C
REMOVAL
Disconnect and cap or plug tubing (5) from exhaust ball valve (4).
a.
Disconnect and cap or plug tubing (12) from intake valve (13).
b.
Remove four machine screws (2).
c.
Remove air preparation system (1) from bulkhead.
d.
DISASSEMBLY
Remove nuts (6) and shut-off handles (7).
a.
Remove ball valve (4) from pipe nipple (3).
b.
c. Remove ball valve (13) from pipe nipple (14).
Loosen jam nut (8) and remove Venturi meter (9).
d.
Remove safety relief valve (10) from nipple (11).
e.
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