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TM 10-4930-240-13
4-33. COUPLER ASSEMBLY REPAIR.
This task covers:
a.
Disassembly
b.
Cleaning
c.
Repair
d.
Assembly
INITIAL SETUP:
Tools:
Material/Parts:
General Mech Tool Kit (App B, Sect III, Item 1)
Thread Sealant
(Item 4, App E
Vise
(App B, Sect III, Item 2)
Silicone Lubricant
(Item 6, App E)
Pipe Wrench (2 ea)
(App B, Sect III, Item 5)
Coupling Gasket (2)
(Item 3, App J)
Adjustable Wrench
(App B. Sect III, Item 2)
Seal (2)
(Item 30, App J)
Equipment Condition:
Cotter Pin
(Item 31, App J)
Coupler removed (para 2-20)
Cotter Pin(4)
(Item 32, App J)
Material/Parts:
Seal
(Item 33, App J)
Cleaning Solvent
(Item 1, App E)
Cylinder
(Item 34, App J)
Wiping Rag
(Item 2, App E)
NOTE
Ensure that all parts identified as mandatory replacement parts are discarded and
replaced with new components.
a. Disassembly.
Remove Couplings Refer to figure 4-21.
(1) Place coupler in vise.
(2) Remove split rings (1 and 2) and chain (3).
(3) Remove dust cap (4), then remove gasket (5) from dust cap (4).
(4) Remove male coupling half (6) from coupler body (7).
(5) Remove gasket (8) from coupler body (7).
Disassemble Coupler. Refer to figure 4-22.
(6) Turn handle (1) to open position.
(7) Remove cotter pin (2) from end of shaft (3).
(8) Drive out groove pin (4) from handle (1). Pin must be driven out in the opposite direction of the flow
arrow on handle (1).
4-62
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