Reverse Idler Shaft And Gears

REVERSE IDLER SHAFT AND GEARS


Disassembly and Assembly


DISASSEMBLY
1. Remove reverse idler gear (rear), reverse coupling sleeve, and reverse insert springs simultaneously.
2. Remove reverse idler gear needle bearing.
3. Remove thrust needle bearing.
4. Remove reverse baulk ring.
5. Remove reverse idler gear (front).
6. Remove reverse idler gear needle bearing.
7. Remove thrust needle bearing.
8. Remove retaining pin from reverse idler shaft.

INSPECTION AFTER DISASSEMBLY

Reverse Idler Shaft and Gears





Check items below. If necessary, replace them with new ones.
- Damage, peeling, dent, uneven wear, bending, and other nonstandard conditions of the shaft.
- Excessive wear, damage, peeling, and other non-standard conditions of the gears.

Synchronizer





Check items below. If necessary, replace them with new ones.
- Damage and unusual wear on contact surfaces of coupling sleeve, synchronizer hub of reverse idler gear (rear), and insert spring.
- Coupling sleeve and synchronizer hub of reverse idler gear (rear) must move smoothly.





- If any crack, damage, or excessive wear is found on cam face of baulk ring or working face of insert, replace it.
BAULK RING CLEARANCE





- Push baulk ring on the cone and measure the clearance between baulk ring and cone. If the measurement is below limit, replace it with a new one.






Bearing
Check items below. If necessary, replace them with new ones.
- Damage and rough rotation of bearing.

ASSEMBLY
Note the following, and assemble in the reverse order of disassembly.

CAUTION:
- Do not reuse retaining pin.





- Be careful with orientation of reverse insert spring.

Arrow Indicates Front