TM 5-4930-207-34
Section IV. CRANKCASE AND CRANKSHAFT
(3) Remove cylinder a n d pistons as in-
4-13. General
strutted in section II. (para 4-6a (1) and (2).
The crankcase is equipped with a sight glass
(4) Remove centrifugal unloader per sec-
which provides maximum protection against dam-
tion III. (para 4-10).
age due to insufficient oil; however the splash-type
b. Disassembly. Disassemble crankcase and
lubrication system provides adequate lubrication,
crankshaft in numerical sequence as illustrated
even if the oil level in the reservoir is low.
in figure 4-4.
4-14. Crankcase and Crankshaft
4-15.
Crankcase
and
Crankshaft
R e m o v a l and Disassembly
Cleaning
a. Removal
a . Crankcase. Swab out the lubricating oil
passages in the crankcase with P-D-680 solvent.
(1) Refer to TM 5-4930-207-12 and remove
the compressor assembly.
the vacuum air method. Lubricate bearings im-
(2) Remove flywheel as instructed i n T M
mediately after cleaning.
5-4930-207-12.
Figure 4-4. Crankcase and crankshaft, disassembly and reassembly.
4-5
