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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Primary Shaft Gear Inspection

Primary Shaft Gear Inspection
1. Inspect the gear contact surface for damage and wear.
^ If there is malfunction, replace the primary shaft.
2. Inspect the splines for damage and wear.
^ If there is malfunction, replace the primary shaft.
3. Inspect the gear teeth for damage, wear, and cracks.
^ If there is malfunction, replace the primary shaft.
4. Inspect the oil passage for clogging.
^ If there is malfunction, replace the primary shaft.





5. Measure the shaft gear runout.
^ If not as specified, replace the primary shaft.

Primary shaft runout:
0.050 mm (0.0020 in) max.





6. Measure the clearance between the shaft gears and the gears.
^ If not as specified, replace parts as necessary.