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 atop rings for cracks, chips, spalling, or excessive wear.
8. Synchronizer hub end sleeve for cracks, chips, spalling, or excessive wear.
9. Pads on mode fork and range fork for wear and distortion.
10. Oil pump gears end case halves for wear, spalling, cracks, end damage. Replace complete assembly if there is wear.
11. Input gear, planetary carrier, and range shift hub tooth chamfers for excessive wear.