TM 9-2320-289-34
5-7.
TRANSMISSION CONTROL VALVE ASSEMBLY AND DETENT SOLENOID
MAINTENANCE (Con’t).
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CAUTION
Use caution to ensure that valves do not bump together, Failure to follow
this caution may result in damage to valves.
Clean control valve body, valves, and other parts in dry cleaning solvent.
Inspect all valves for damage and free movement in their bores. If burrs are present, remove
them by polishing with crocus cloth and light lubricating oil. Be careful to not round off
shoulders of valves. All valves should fall freely of their own weight with a slight tapping action
on the valve body, If manual valve is damaged or binds in its bore, replace. If any other valves
are damaged or bind in their bores, replace control valve assembly.
Inspect all bushings for damage and free movement in their bores. Replace control valve
assembly if bushings are damaged or bind in their bores.
Inspect control valve body and springs for damage. Replace control valve assembly if either
are damaged.
If damaged, remove oil seal ring (18)
from front accumulator piston (17)
and discard.
Inspect front accumulator piston for
damage. Replace if damaged.
TA50220
5 - 3 2
