9. Piston shoes must pivot smoothly, but end play
must not exceed 0.003 in (0.076 mm).
10. Check end play as follows:
a. Place square end of piston on bench and
hold down firmly. Pull on end of shoe with
other hand and note end play. A good pis-
ton/shoe fit will have no end play, but the
shoe may rotate and pivot on the piston
ball. Inspect each shoe face for nicks or
scratches.
b. Measure shoe thickness (the part held
between retainer (27, Figure 5-24) and cra-
dle. All shoes must be equal within 0.0001in
(0.003 mm). If one or more piston/shoe
assemblies (13) needs to be replaced, all
piston/shoes assemblies must be replaced.
c. Inspect cylinder bearing (26) and matching
cylinder barrel bearing mating surface for
galling, pitting or roughness. Replace if nec-
essary.
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