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 TM 55-1905-219-14-11
5-79. CYLINDER BLOCK - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECT (Cont)
Main bearing cap bolts are especially designed for this purpose and must not
be replaced by ordinary bolts.
NOTE
Bearing caps are numbered to correspond with their respective positions in the
cylinder block. It is imperative that the bearing caps are reinstalled in their
original positions to maintain the main bearing bore alignment. The number of
the front main bearing cap is also stamped on the face of the oil pan mounting
flange of the cylinder block, adjacent to its permanent location in the engine as
established at the time of manufacture. The No. 1 main bearing cap is always
located at the end opposite the flywheel end of the cylinder block.
(2) Finished and unfinished main bearing caps
are available for replacing broken or damaged
caps. When fitting a finished replacement
bearing cap, it may be necessary to try
several caps before one will be found to
provide the correct bore diameter and bore
alignment. If a replacement bearing cap is
installed, be sure to stamp the correct
bearing position number on the cap.
5-1084
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