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 TM 9-2815-220-24
CRANKSHAFT MAIN BEARINGS INSPECTION
0138 00
INSPECTION (Continued)
CAUTION
The main bearing caps and main bearing halves must be installed in
their original position according to location number identification on
the cap and bearing half. The side of each main bearing cap
identified as "fly end" must be installed toward rear of crankcase
(flywheel end).
6. Install main bearing caps (6, 7).
a. Coat mating surfaces of main bearing caps (6, 7) and machined surfaces of crankcase (12)
with lubricant (item 21, WP 0173).
b. Install main bearing caps (6, 7) (with bearing halves installed) on studs in crankcase.
c. Use jackscrew (crankcase spreading tool) (8) (item 110, WP 0176) to spread crankcase just
enough so that each bearing cap (6, 7) will slide into position. Jackscrew must be
repositioned for each bearing cap location.
d. Remove jackscrew (8).
e. Apply Lubriplate (item 23, WP 0173) to threads of 28 studs (9), 14 washers plates (10),
and 28 slotted nuts (11).
f. Install washers (10) and nuts (11). Finger tighten nuts (11) only at this time.
7
6
7
8
5
9,10,11
WP 0138 00-5
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