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 TM 55-1905-219-14-8
4-7.10A. ENGINE - MAINTENANCE INSTRUCTIONS (Continued).
ENGINE REASSEMBLY (Cont)
b. Crankcase, Crankshaft.
(1) Lubricate all bearings with SAE 10 weight oil.
(2) Align crankshaft labyrinth seal aligning pin with recess in upper crankcase half and carefully insert
crankshaft into crankcase.
When replacing bearings, crankshaft surface that
oil seal contacts may be scratched which will
cause excessive seal wear. Always remove any
irregularities on the shaft surface using No. 400
emery cloth before installing new oil seals.
(3)
Install washers in crankcase grooves. Apply a thin coat of multipurpose, DOD-G-24508,
grease to inner section of oil seals and install oil seals to crankshaft.
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