Removal
PART NUMBER | TOOL NAME |
PR-36 | SNAP-ON SNAP RING PLIERS |
Mainshaft and countershaft bearings
1. Split crankcases. See 5.8 CASE DISASSEMBLY FOR TRANSMISSION REMOVAL.
2. Disassemble transmission. See 5.9 TRANSMISSION REMOVAL AND DISASSEMBLY.
- a. Remove shifter forks and drum.
- b. Remove countershaft and mainshaft.
3. Inspect the mainshaft and countershaft ball bearings for pitting, scoring, discoloration or other damage.
4. See Figure 5-88. If bearing replacement is required, remove retaining rings (1,2) using SNAP-ON SNAP RING PLIERS (Part No. PR-36).
![](https://motoinstruction.ru/img/harley/12/118219.jpg)
Figure 5-88. Ball bearing assembly: 1. Retaining ring; 2. Retaining ring; 3. Mainshaft bearing; 4. Countershaft bearing
5. Press out bearings (3, 4) from the inside of the crankcase.
Shifter drum bushing
1. Inspect the shifter drum bushing for pitting, scoring, discoloration or excessive wear.
2. If bushing requires replacement, press bushing out of crankcase from primary side toward inside of case.
Installation
Mainshaft and countershaft bearings
1. Place crankcase on press with inside surface of crankcase downward.
2. Lay bearing squarely over bore with printed side of bearing upward.
3. Place a driver (slightly smaller than outside diameter of bearing) against outer race.
4. Press bearing into bore until bearing bottoms against shoulder.
5. Install new retaining ring with beveled side facing away from bearing.
Shift drum bushing
1. Place crankcase on press with outside surface of crankcase downward.
2. See Figure 5-87. Lay bushing squarely over bore. Using a pressing tool larger than OD of bushing, press bushing into bore until tool contacts crankcase.
![](https://motoinstruction.ru/img/harley/12/118218.jpg)
Figure 5-87. Shifter drum bushing assembly: 1. Press bushing to contact shoulder in crankcase half; 2. Shifter drum bushing; 3. Outside crankcase