3.27CRANKCASE
REMOVAL OVERVIEW
1. Perform all steps under 3.15 TOP END OVERHAUL:
DISASSEMBLY.
2. Perform all steps under 3.17 BOTTOM END OVERHAUL:
DISASSEMBLY.
RIGHT CRANKCASE HALF
TOOL NAMEPART NUMBER
CRANKSHAFT BEARING
REMOVAL/INSTALL PILOT/DRIVER
B-45655
CRANKSHAFT (ROLLER) BEARING
REMOVAL/INSTALL PILOT/DRIVER
B-45655
CRANKSHAFT BEARING
REMOVAL/INSTALL SUPPORT TUBE
HD-42720-5
CRANKSHAFT (ROLLER) BEARING
REMOVAL/INSTALL SUPPORT TUBE
HD-42720-5
Crankshaft Bearing Removal
NOTE
Do not move or lift the crankcase by grasping the cylinder
studs.The crankcase is too heavy to be carried in this manner
and could be dropped.
1. See Figure 3-130. Obtain CRANKSHAFT BEARING
REMOVAL/INSTALL PILOT/DRIVER (Part No. B-45655)
and CRANKSHAFT BEARING REMOVAL/INSTALL
SUPPORT TUBE (Part No. HD-42720-5).
2. Place support tube (2) on hydraulic press table with the
"A" end up. Note that the sides of the support tube are
stamped to ensure proper orientation.
3. With the outboard side of the right crankcase half facing
upward, position crankshaft bearing bore over support
tube. During removal it is important that the curved edges
on the pilot/driver (1) match the curved edges of the
crankcase.
4. Slide pilot/driver (1) through bearing into support tube.
5. Center pilot/driver under ram (3) of press. Apply pressure
to pilot/driver until bearing is free.
6. Remove crankcase, pilot/driver and bearing from support
tube. Discard bearing.
1. Pilot/driver
2. Support tube
3. Ram
4. Support tube (2) "A" end up
Figure 3-130. Crankshaft Bearing Removal
Crankshaft Bearing Installation
1. See Figure 3-131. Obtain CRANKSHAFT (ROLLER)
BEARING REMOVAL/INSTALL PILOT/DRIVER (Part
No. B-45655) and CRANKSHAFT (ROLLER) BEARING
REMOVAL/INSTALL SUPPORT TUBE (Part No. HD-
42720-5).
2. Obtain new crankshaft (roller) bearing (4). Spread a thin
film of clean engine oil on O.D. of new bearing.
3. Turn support tube (2) over so that the "B" end is up. The
sides of the support tube are stamped "A" and "B" to
ensure proper orientation.
4. With the outboard side of the right crankcase half facing
upward, position crankshaft bearing bore over support
tube.
5. Lubricate leading edge (letter side) of new crankshaft
(roller) bearing with clean engine oil. Start leading edge
of bearing in bearing bore.
3-90 2008 Dyna Service: Engine