SERVICE MANUAL
CRANKSHAFT, MAIN BEARINGS, FLYWHEEL & CRANKCASE
Section 6
i.
Coat the I.D. of wear sleeve and O.D. of oil
seal with a thin film of R.T.V. liquid gasket
(Dow
732,
General
Electric
1473
or
equivalent). DO NOT get any of this liquid
on the seal lip or O.D. of the wear sleeve.
j.
Position the wear sleeve and oil seal
installing Tool (2, Fig. 35) on the centering
plate (3) then tighten thrust washer (4) as
shown.
This will center the wear sleeve and oil seal
(1) on the crankshaft.
Figure 35. - Oil Seal and Wear Sleeve Installing Tool
1.
Oil seal
2.
Installing tool
3.
Centering plate
4.
Thrust washer
k.
The following dimensions are automatically
obtained when the service tool (specified in
the tool list) is used as directed. See Fig.
36.
"A"
B"
Oil Seal
Installed Sleeve
Installed Seal
Location
See (Fig. 34)
See (Fig. 34)
Single Lip in
7/8 In. sleeve-
Housing on
4 70 mm (0.185 in)
7.62 mm
Crankshaft
3/4 In. sleeve-
(O 300 In)
7.11 mm (0 280 In)
Double Lip in
Housing or
4 70 mm
7.62 mm
Retainer on
(0.185 in)
(0.300 in)
Crankshaft or
PTO gear
Figure 36. - Single and Double Lip Oil Seal and Wear
Sleeve Installation and Dimension Diagram
1.
Retainer
5.
Unitized seal/sleeve
2.
Gasket
(single lip)
3.
Flywheel housing
6.
Rear face of crankshaft
4.
Unitized seal/sleeve
7.
Rear face of crankshaft,
(double lip)
spacer or PTO gear
NOTE: Seal face must be parallel with rear of
crankshaft within 0.25 mm (0.010 in.)
5.
Install the crankcase front cover. (Refer to
Section 7, "Timing Gear Train").
6.
Install the oil pump and vibration damper.
(Refer to Section 8, "Lubricating Oil
Pump").
7.
Install the crankcase oil pan using a new
gasket. Torque the pan drain plug to 45
N•m (33 Ibf-ft).
8.
Fill the engine crankcase with lubricant
specified in the Operator’s Manual.
CGES-185-3
PRINTED IN UNITED STATES OF AMERICA
Page 26
