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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Gear: Testing and Inspection

INSPECTION
1. Bearings
Replace bearings in the following cases:
^ Broken or rusty bearings
^ Worn or damaged
^ Bearings that fail to turn smoothly or make abnormal noise when turned after gear oil lubrication.
2. Drive gear
Replace drive gear in the following cases:
^ If their tooth surfaces and shaft are excessively broken or damaged.





3. Measure clearance between snap ring and inner race of ball bearing with a thickness gauge.
Clearance: 0.01 - 0.15 mm (0.0004 - 0.0059 inch)





If the measurement is not within the specification, select suitable snap ring.