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TM10-4930-239-12&P
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).
(3) Allow parts to dry.
c. Inspection.
(1) Inspect all metal parts for cracks, corrosion, or broken fittings.
(2) Examine all coupling half gaskets for cracks, tears, or nicks.
(3) Check gate valve assembly for crack surfaces, bent handwheel and for smooth handwheel oper ation.
d. Assembly.
(1) Install split ring (26) onto coupling half (3).
(2) Install coupling half (9), new gasket (25), eight nuts (24), eight new lock washers (23), eight flat washers (22),
and eight screws (21) onto tee (15).
(3) Install coupling half (6), new gasket (20), eight nuts (19), eight new lock washers (18), eight flat washers (17),
and eight screws (16) onto tee (15).
(4) Install coupling half (3), new gasket (14), eight nuts (13), eight new lock washers (12), eight flat washers (11),
and eight screws (10) onto tee (15).
(5) Install gasket (8) and quick disconnect plug (7) onto coupling half (9).
(6) Install gasket (5) and quick disconnect plug (4) onto coupling half (6).
(7) Install gasket (2) and quick disconnect cap (1) onto coupling half (3).
4-50/(4-51 Blank)
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