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TM 10-4930-240-13
4-33. COUPLER ASSEMBLY REPAIR - cont.
b. Cleaning.
WARNING
Dry cleaning solvent, P-D-680, Type III, is potentially dangerous to personnel and
equipment. Eye and skin protections required Avoid repeated and prolonged skin
contact. Wash hands immediately after exposure. Do not use near open flame or
excessive heat. Use only in areas with good ventilation.
Using wiping rags and cleaning solvent, remove dirt and contaminants from all components.
c. Repair. Replace damaged or defective parts and all sealing components.
d. Assembly.
Assemble Coupler. Refer to figure 4-22.
(1) Install bushing (29) in body (10).
(2) Install washer (14) with tabs facing inward in body (10).
(3) Apply lubricant to packing and install in body (10).
(4) Alone link (24) with yoke (11) as noted during disassembly and install pin (27).
(5) Install cotter pins (25 and 26) in pin (27).
(6) Aline stem (20) in link (24) and install pin (23).
(7) Install cotter pins (21 and 22) in pin (23).
(8) Install setscrew (17) in poppet (12). Setscrew must be turned in the same amount as recorded
during disassembly.
(9) Position poppet guide (18) and cylinder (19) over stem (20).
(10) Insert poppet (12) into cylinder (19) and screw poppet (12) onto stem (20) until it stops, then tighten.
(11) Install seal (16) on screw (15), then install screw (15) into poppet (12).
WARNING
Assembled components are under spring tension. Use care when installing body
to prevent Injury from flying parts. Slowly compress spring when Installing.
(12) Slide spring (13) on over yoke (11).
4-66
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