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 TM 55-1905-219-14-6
3-166.5. CAMSHAFT AND BALANCE SHAFT - MAINTENANCE INSTRUCTIONS
(Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
e. Shaft
Examine the faces of the
end
shaft end bearings and
bearings
any other surface which
comes into contact with
the thrust washers.
Parts that are badly
marred must be replaced;
parts with slight
scratches may be cleaned
up with an oil stone.
f.
Camshaft
Replace excessively
inter-
scored or worn camshaft
mediate
intermediate bearings.
Bearings
The clearance between
the camshaft journals
and the intermediate
bearings is .0025 inch
to .005 inch (.0064 to
.013 cm) with new
parts or a maximum of
.009 inch (.023 cm)
with worn parts. Cam-
shaft intermediate
bearings are available
in . 010 inch and .020
inch undersize for use
with worn or reground
shafts in which the
clearances exceed the
specified limits.
Examine the intermed-
iate bearing lockscrews
and the tapped holes in
the block. Damaged
holes in the cylinder
block may be plugged,
redrilled and tapped.
Discard lockscrews
with damaged threads.
3-2861
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