Operation CHARM: Car repair manuals for everyone.

Cleaning and Inspection

Clean
1. Bearings.
- Remove all old lubricant and dirt.
2. Shafts.
3. Sprockets.
4. Chain.
5. Oil feed ports and channels in each case half. Apply compressed air to each oil feed port and channel to remove any obstructions or cleaning solvent residue.
6. All mating and sealing surfaces

Inspect
1. Bearings and thrust washers for spalling, brinneling, or corrosion.
2. Gear teeth for excessive wear or damage, spalling, cracks, or corrosion.
3. Gear splines for excessive.wear, spalling, cracks, twist, or corrosion.
4. Shaft splines for excessive wear, spalling, cracks, distortion, or corrosion.
5. Retainer rings for excessive wear, distortion, or damage.
6. Case halves for damaged or warped mating surfaces, cracks, porosity, or damaged thread holes.
7. Synchronizer stop rings for cracks, chips, spalling, or excessive wear.
8. Synchronizer hub and sleeve for cracks, chips, spalling, or excessive wear.
9. Pads on mode fork and range fork for wear and distortion.
10. Oil pump gears and case halves for wear, spalling, cracks, and damage. Replace complete assembly if there is excessive wear.
11. Input gear, planetary carrier, and range shift hub tooth chamfers for excessive wear.