TM 5-3895-373-34
D.
INSPECT.
1.
INSPECT SHAFT ASSEMBLY FOR DAMAGED
BEARINGS AND EXCESSIVE WEAR.
a.
Manually turn bearings, A and B, on shaft
assembly (77).
b.
If bearings turn rough or do not spin freely,
replace shaft assembly (77).
c.
Use
a
thickness
gage
and
check
piston/socket end-play, dimension C, by
inserting end of thickness gage between
rounded end of each piston (79) where it
connects into shaft assembly (77).
d.
Measure amount of free play between
pistons (79) and shaft assembly (77) by
moving each piston back and forth in its
socket.
e.
Check each piston (79) in this manner.
f.
If end play, dimension C, exceeds 0.002 in.
(0,05 mm) in any piston (79) and socket,
replace shaft assembly (77).
g.
Inspect
piston
(79),
surfaces
D,
for
scratches.
h.
If surfaces of pistons (79) have scratches
that can be felt with a fingernail, replace
shaft assembly (77).
2.
INSPECT PORT PLATE AND PORT PLATE
HOUSING FOR DAMAGE AND EXCESSIVE
WEAR.
a.
Visually inspect port plate (47), surface E,
for scratches.
b.
Use emery cloth to remove any scratches
from port plate that can be felt with a
fingernail.
c.
Clean port plate (47) after polishing. Refer
to cleaning procedure.
d.
Replace port plate (47), and port plate
housing (46) if deep scratches cannot be
removed with emery cloth.
e.
Use a strong light and inspect port plate
housing (46) inner bore, surface F, for
discoloration and scratches that can be felt
with a fingernail.
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