Mainshaft
Tools Required
| • | J 39371
1st/2nd Synchronizer Installer |
| • | J 39473
Mainshaft Bearing Installer |
- Install the 3rd speed gear caged needle bearing and the spacer.
- Check the 3rd/4th speed gear synchronizer assembly scribe marks for correct positions.
- Install the 3rd/4th synchronizer assembly as follows:
| 3.1. | Start the press operation. |
| 3.2. | STOP pressing before the keys engage the blocking ring slots. |
| 3.3. | Lift and rotate the 3rd speed gear in order to engage the keys with the blocking ring. |
| 3.4. | Continue pressing until the synchronizer is seated. |
- Install the following parts in order, using the
J 36183
, the
J 36184
, and a hydraulic press:
| 4.4. | The 3rd speed gear inner cone |
| 4.5. | The 3rd speed gear friction cone |
| 4.6. | The 3rd speed gear blocking ring |
| 4.7. | The 3rd/4th speed gear synchronizer assembly (the groove on the sleeve faces the 3rd speed gear). |
- Install in the following order:
| 5.1. | 4th gear blocking ring |
| 5.2. | 4th gear friction cone |
| 5.4. | 4th gear thrust washer |
| 5.5. | 3rd/4th synchronizer retainer ring |
- Install a new mainshaft small tapered bearing, using the
J 39473
, V-blocks, and a hydraulic press.
- Install the 2nd speed gear caged needle bearing and bearing spacer.
- Do the following when installing the 1st/2nd synchronizer assembly:
| 8.1. | Start the press operation. |
| 8.2. | Stop pressing before the keys engage the blocking ring slots. |
| 8.3. | Lift and rotate the 2nd speed gear in order to engage the keys with the blocking ring. |
| 8.4. | Continue pressing until the synchronizer is seated. |
- Install the following parts in order using the
J 39371
and a hydraulic press:
| 9.2. | The 2nd speed gear inner cone |
| 9.3. | The 2nd speed gear friction cone |
| 9.4. | The 2nd speed gear blocking ring |
| 9.5. | The 1st/2nd synchronizer assembly (The ID groove on the sleeve faces the 1st speed gear.) |
- Install the following parts in order:
| 10.1. | The 1st gear thrust washer locking ball |
| 10.2. | The 1st/2nd gear thrust washer |
| 10.3. | The 1st/2nd gear thrust washer retainer ring |
| 10.4. | The 1st speed gear blocking ring |
| 10.5. | The 1st speed gear friction cone |
| 10.6. | The 1st speed gear inner cone |
- Install the following parts in order:
| 11.1. | The 1st/2nd gear thrust washer retainer |
| 11.2. | The 1st speed gear caged needle bearing |
| 11.4. | The mainshaft inner seal O-ring |
| 11.5. | The mainshaft large tapered bearing |
Input Shaft
Tools Required
- Install a new bearing race on the input shaft, using the
J 28537-17
and a hydraulic press.
- Install a new tapered bearing on the input shaft. Use the
J 25234
and a hydraulic
press.