TM 55-203
Figure 8-26. Filling piece and selector valve portion.
c. Cleaning. Wash all metal parts in approved
to remove any remaining dirt and to give them a polish.
(2) Check the piston bushing for ring size by
solvent that will dissolve oil and grease without
using a cylinder gage.
abrasion. Dip all gaskets and rubber seated parts in
(3) Remove the filter felt in choke (3). Clean
approved solvent to assist in removal of grease and dirt
and replace or renew if damaged. If the choke is the
and immediately wipe dry after cleaning. Do not soak
earlier type which does not have a filter felt, replace with
the parts in the cleaning fluid. Blow out all air passages
the latest design.
with compressed air.
(4) Reconditioning of the slide valve and piston
d. Inspection and Maintenance
is the same as for the AB control valve (para 8-15b(4)
(1) Replace all gaskets which have broken or
and (6)).
flattened beads or any that reveal cracks or cuts on
diaphragm or sealing surfaces.
Brush serviceable
gaskets with a soft bristle brush (such as a shoe brush)
8-31
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