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TM 5-4210-220-12
4-22 AIR SYSTEM - Continued
c.
Valve Repair
NOTE
The foot throttle valve subassembly can be repaired with the valve removed from the truck. See
REMOVAL preceding.
Two repair kits are available, one to overhaul the valve subassembly and the pedal, and one to
overhaul just the valve subassembly.
(1)
Remove screws (18) and separate body (17) from cover (6).
(2)
Remove piston (14), spring (15), and shims (16).
(3)
Remove seal (12) and thrust ring (13) from piston.
(4)
Pull the barrier plate assembly (11) out of the upper assembly.
(5)
Remove the treadle as detailed in b. preceding.
4-373
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