Shift/Fork Shafts And Reverse Idler Segment
- Unseat the roll pin that secures the shift socket to the shift shaft with Remover 6858 as follows:
- Position remover on the shift shaft. Center the tool over the roll pin and verify that the tool legs are firmly seated on the shift socket (see Fig 1).
- Tilt the socket toward the side of the case. This positions the roll pin at a slight angle to avoid trapping the pin between the gear teeth.
- Tighten the tool to press the roll pin downward and out of the shift socket (see Fig 1).
NOTE: Press the roll pin just enough to clear the shift shaft. Be careful not to push the pin into the geartrain. - With a hammer and punch drive out roll pin that secures shift bushing and lever to shift shaft (see Fig 2).NOTE: Use proper size punch to avoid bending the shift shaft.
- Pull shift shaft straight (see Fig 3) out of rear housing.
- Remove shift socket from rear housing (see Fig 4).
- Remove lever and bushing (see Fig 5).
- Rotate 3-4 fork around synchro sleeve until fork clears shift arms on 1-2 and fifth-reverse forks, then remove 3-4 fork (see Fig 6).
- Remove the reverse idler shaft support bolt (front bolt) (see Fig 7).
- Loosen rear reverse idler shaft bolt (rear bolt) (see Fig 7).
- Remove reverse idler shaft support (see Fig 8). segment by sliding it straight out of housing.
- Support geartrain and rear housing on Fixture 6747 as follows:
- Adjust height of reverse idler pedestal rod until the reverse idle shaft bottoms in Cup 8115.
- Position Adapters 6747-1A and 6747-2B on Fixture 6747.
- Slide fixture tool onto input shaft, countershaft and idler gear (see Fig 9).
- Stand geartrain and rear housing upright on fixture (see Fig 10). Have helper hold fixture tool in place while housing and geartrain is being rotated into upright position.
- Remove rear bolt holding reverse idler shaft in housing.