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 TM 5-4930-233-14
TM 4930-14/1
AIR BRAKE ASSEMBLY
5-23. POWER CLUSTER - REPLACE/REPAIR - (Cont.)
b.
Disassembly
(1)
Remove nut (13), screw (14) and clamp band (15).
(2)
Separate cover assembly (16) and body assembly (17) and remove diaphragm (18), push rod assembly (19),
preformed packing (20) and spring (21).
c.
Repair
WARNING
Clean all parts in a well ventilated area. Avoid inhaling solvent
fumes and prolonged exposure of the skin to cleaning solvent.
Failure to do so can cause severe injury or death. Do not use near
flame or excessive heat. Flash point of solvent is 100 F to 138
F
(38 to 59 ).
C
C
(1)
Clean all metallic parts with dry cleaning solvent.
(2)
Inspect air chamber diaphragm for cracks, deterioration or wear. Replace a damaged diaphragm.
(3)
Inspect cover and body assemblies for cracks, dents, distortion and damaged threads. Replace if defective.
(4)
Inspect spring for rust, distortion and for loss of tension. Replace a damaged or worn spring.
d.
Assembly
(1)
Assemble spring (21), preformed packing (20), push rod assembly (19), diaphragm (18), body assembly (17)
and cover assembly (16).
(2)
Install clamp band (15), screw (14) and nut (13). Torque nut to 210-225 in. lbs (23.73 - 25.42 N-m).
5-126
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