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
If it fails: lemon-manuals.org.ua

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Case Assembly Inspection

1. Inspect case exterior for cracks or porosity.

2 Inspect case to valve body face for damage, interconnected oil passages and flatness.

3. Inspect vent assembly for damage.




4. Inspect 2-4 servo bore for damage, porosity or burrs.

5.Inspect orifice cup plug in servo bore for debris or damage.

6. Inspect 3rd accumulator bore for porosity, damage and burrs.




7. Inspect 3rd accumulator bore for plugged or damaged orifice cup plug.

8. Inspect speedometer bore for damage, sharp edges or porosity.

9. Inspect a I bolt holes and cooler connections for thread damage.

10. Inspect case interior for damaged ring grooves, worn or damaged clutch plate lugs and scored or worn bushings.




11. Inspect governor support pin installation depth as shown.