Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Bearing-Inspection

Bearing-Inspection





1. Inspect bearings for the following defects. Possible causes are shown:
1 Cratering-fatigue failure.
2 Spot polishing-incorrect seating.
3 Imbedded dirt engine oil.
4 Scratching-dirty engine oil.
5 Base exposed-poor lubrication.
6 Both edges worn-journal damaged.
7 One edge worn-journal tapered or bearing not seated.