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TM 10-3930-643-34
GENERAL SUPPORT ENGINE, FUEL, EXHAUST AND COOLING MAINTENANCE. (cont)
13-3.
Crankcase and Cylinder Sleeves. (Sheet 7 of 11)
CLEANING/INSPECTION (cont)
NOTE
Do not hone cylinder sleeves. If
excessively damaged, they must be
replaced.
26.
Inspect six sleeves
(16) for
scuffing, scoring,
scratches
and
gouges. Replace if necessary.
27.
Using an inside micrometer or a bore
gage, measure I.D. of sleeve from the
top to bottom of piston travel.
Measure the preformed packing area.
Take all measurements at
right
angles. Replace sleeve if out of
round or
does
not
meet
specifications. Maximum permissible
diameter of sleeve wear at
top of
ring travel is 0.004 inch.
NOTE
The following procedure is for
deglazing cylinder sleeve.
Use
the procedure if new piston rings
are being used with new
cylinder
sleeves.
Do not deglaze new
sleeves.
28.
Using a deglazing tool and drill,
deglaze sleeve to provide a good
seating surface for rings.
29.
Inspect all other parts. Refer to
paragraph 2-9.
Co to sheet 8
13-20
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