Removal
Wear safety glasses or goggles when removing or installing retaining rings. Retaining rings can slip from the pliers and could be propelled with enough force to cause serious eye injury. (00312a)
1. See Figure 5-19. Remove seal (1). Use a seal remover or rolling head pry bar for best results.
2. Remove retaining ring (2).
NOTE
Support the bearing support area on the transmission side of the primary chaincase while pressing bearing out.
3. Place inner primary chaincase in an arbor press with clutch side up.
4. Press out bearing from clutch side applying pressure to the outer race.
Installation
1. Inspect the bearing bore to verify that it is clean and smooth
NOTE
Support the bearing support area on the clutch side of the primary chaincase while pressing bearing in.
2. Place primary chaincase in arbor press with the transmission side up.
3. Apply a thin film of oil to outer diameter of bearing.
4. Applying pressure to the outer race, press new bearing letter side up until it makes solid contact with the bearing support area.
5. See Figure 5-20. Retaining ring (1) must be oriented as shown to prevent blocking of oil passage (2). Install retaining ring. Verify that the ring is fully seated in the groove and is properly oriented.
NOTES
• The garter spring side of the oil seal is also identified by the words “OIL SIDE.”
• Install oil seal with a seal driver that will press only against outer rim of oil seal, NOT against the inner area.
• Minimum allowable depth: Oil seal case is flush with machined surface of primary housing.
• Maximum allowable depth: Oil seal case contacts retaining ring.
6. Install mainshaft oil seal:
a. Lubricate the OD of the new seal with SCREAMIN’ EAGLE ASSEMBLY LUBE. Place over bore with the lip garter spring side (stamped “OIL SIDE”) facing toward the bearing.
b. See Figure 5-21. Press the seal into bore until outer edge of seal is flush with machined surface of inner primary housing.
7. Lubricate the bearing and seal lip with multi-purpose grease or SCREAMIN’ EAGLE ASSEMBLY LUBE.

































