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

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

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

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Mainshaft: Service and Repair

Exploded View Of Mainshaft:





1. Press off bearing cone from 4th gear end.
2. Press off 4th gear.
3. Remove retaining ring.
4. Press off 3rd & 2nd gears.
5. Remove synchronizer assembly, blocker ring.
6. Press off clutch hub assembly, synchronizer ring and 1st gear.
7. Press off bearing cone from 1st gear end.
8. Remove synchronizer springs & keys from clutch hub.
9. Remove clutch hub from clutch hub sleeve.
10. Reverse procedure to assemble and note the following:
a. Oil all parts and gear bores with transmission fluid.

Aligning Gear & Synchronizer Hub:





b. When assembling synchronizers, align synchronizer ring groove and synchronizer key.