Planetary Sun Gear and No.1 One-Way Clutch

Planetary Sun Gear and No.1 One-Way Clutch





Disassembled View

Disassembly





1. Check operation of No. 1 one-way clutch
Hold the planetary sun gear and turn the second brake hub.
The second brake hub should turn freely clockwise and should lock counterclockwise.
Remove the one-way clutch and second brake hub.
3. Remove the trust washer (plastic).





4. Remove two oil seal rings (metal).





5. Remove the snap ring with snap ring pliers.
6. Remove the sun gear input drum.
7. Remove the snap ring from planetary sun gear.

Inspection and Repair





1. Check planetary sun gear bushing
Using a dial indicator, measure the inside diameter of the planetary sun gear bushing.
Maximum inside diameter: 27.08 mm (1.066 inch)
If the inside diameter is greater than the maximum, replace the planetary sun gear.

Reassembly





1. Install snap ring to planetary sun gear.





2. Place a wooden block, etc. as a work stand and place the planetary sun gear onto it.
Install the sun gear input drum onto the planetary sun gear.





3. Install snap ring with snap ring pliers.





4. Coat the two oil seal rings (metal) with ATF.
Install the two oil seal rings onto the planetary sun gear.

NOTE: Do not spread the ring ends too much.





5. Install thrust washer (plastic).

NOTE: Make sure that the lugs fit into the holes on the sun gear input drum.





6. Install assembled No.1 one-way clutch and second brake hub onto planetary sun gear as shown.





7. Check operation of No. 1 one-way clutch
Hold the planetary sun gear and turn the second brake hub.
The second brake hub should turn freely clockwise and should lock counterclockwise.