Main Bearing Installation - Mercury 40 Service Manual
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- Service manual (584 pages) ,
- Maintenance and installation manual (120 pages) ,
- Manual (106 pages)
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CYLINDER BLOCK/CRANKCASE
Main Bearing Installation
IMPORTANT: Do not interchange used main bearings. Reinstall in their original posi-
tion.
1. Check clearance of each bearing, following procedure in Cleaning and Inspection.
2. Clean all the oil from the main bearing surfaces on the cylinder block and crankcase
cover.
3. Install main bearings. Make sure the locking lug on each bearing fits into its notch.
a -
b -
Page 4B-28
b
a
Main Bearings
Fit the Locking Lugs into the Notches
90-828631R3 MARCH 1999
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