Input Shaft: Disassembly
NOTE:
When servicing the input shaft assembly, all snap rings which are removed MUST be replaced with new snap rings upon reassembly. The 5th gear nut must be replaced also.
NOTE:
Depending on the date of transaxle manufacture, some input shafts will utilize a needle bearing under the 3rd and 4th Speed Gears.
- Invert input shaft assembly and place in fixture 8487.
- Remove input bearing snap ring (Fig 1 ).
- Remove input bearing. Place input shaft assembly onto arbor press table, with the input bearing supported by bearing splitter (Fig 2 ). Using adapter 8486 - 4, press bearing off of shaft, while helper supports shaft to prevent dropping.
- Place input shaft assembly back into fixture 8487. Secure fixture to bench with fasteners, or secure to bench vise.NOTE: 5th gear nut is staked to the shaft. If necessary, grind stake area to ease removal, but use care not to contact gear.
- Remove 5th gear nut with wrench 8478 (Fig 3 ). Discard nut and use a new one upon assembly.
- Remove 5th gear with arbor press and bearing splitter.
- Remove 4th gear and needle bearing (if equipped) (Fig 4 ).
- Remove 4th gear blocker ring (Fig 5 ).
- Remove 3/4 synchronizer snap ring (Fig 6 ). Discard and replace with new snap ring upon assembly.
- Remove 3/4 synchronizer (Fig 7 ).
- Remove 3rd gear blocker ring (Fig 8 ).
- Remove 3rd gear and needle bearing (if equipped) (Fig 9 ).
- Inspect third gear thrust washer for signs of excessive wear. To replace, drive off of input shaft with suitable drift and hammer.