
G643 (E) Service Manual Chapter 3. Engine Mechanical System
96
7
. Install rear crankshaft bearing and bolts Torque
to :
105 N
∙
m (77lb
∙
ft)
Crankshaft Rear Oil Seal Housing
Installation
Figure 12-67
Clean
• Gasket surfaces on the block and seal retainer.
Install or Connect
1
. New gasket to the block.
IMPORTANT: It is not necessary to use sealant
to hold the gasket in place.
2
. Seal retainer.
3
. Screws and nuts.
NOTICE
: Refer to “Notice” on page 1.
Tighten
• Screws and nuts to 15 N
∙
m (11 lb
∙
ft.)
Figure 12-67 Crankshaft Rear Oil Seal Housing and Components
Crankshaft Rear Oil Seal Installation
Figure 12-68
Tool Required
:
J 35621 Seal Installer
Install or Connect
1
. Crankshaft rear oil seal.
A
. Lubricate the inner and outer diameter of the
seal with engine oil.
B
. Install the seal on J 35621.
C
. Position J 35621 against the crankshaft.
Thread the attaching screws into the tapped
holes in the crankshaft.
D
. Tighten the screws securely with a
screwdriver. This will ensure that the seal is
installed squarely over the crankshaft.
E
. Turn the handle until it bottoms.
F
. Remove J 35621.
Figure 12-68 Installing Crankshaft Rear Oil Seal
Piston and Connecting Rod Installation
Connecting Rod Bearing Selection
Figures 12-69 and 12-70
Tools Required:
J 5239 Connecting Rod Guide Set
J 8037 Ring Compressor
J 36660 Torque Angle Meter