.....
x
L.
....
RIGHT
a
FIGURE 11
-
7
-
-
K662
FRONT OIL SEhL INSTALLATION FIGURE 11
-
8
--
RIGHT AN0 WRONG WAY TO INSTALL
FLYWHEEL KEY
K662:
Slide oil seal unit into position with seal slot aligned with crank gear key.
Place new gas
-
ket on gear cover then position cover. Install blower housing support plate, (plus starter
or generator brackets when used) then secure cover
etc. to block with cover capscrews
and lock washers.
STEP
9
-
Alternator Stator or Magneto Coil:
On engines with alternator system or with flywheel mag
-
-
neto ienition. secure stator rine or ienition coil assemblv to eear cover. Affix leads so that
-
-
"
,
-
they will be accessible after flywheel is installed.
STEP
10
-
Flywheel
WARNING:
Improper procedures for installation of flywheels can lead to cracked flywheels and broken
crankshafts.
Z"nis not only results in extensive dmnage to an engine but presents a serious
threat to the safety of persons close to the engine.
DO
NOT
appZy grease, oil, or my lubricant to the taper of the crankshaft or hub of the fly
-
wheel, as this wiZZ cause excessive stress and possible cracking of the flywheel while
tightening.
DO
NOT
allow the key to be pushed inward on the keyway while installing the flywheez.
If the
key rides up on the rounded surface at the end of the keyway as shown in Figure
8-16,
it
will
act as a wedge and crack the flywheel hub.
DO NOT
reuse a flywheel if
it
has been dropped or damaged in any way.
DO
NOT
use a steel
bar
or any other object (beween the flywheeZ fins) to hoZd the flywheel
when the flywheel nut is being torqued, as this practice could break or crack flywheel fins
1. Make sure the flywheel hub and taper of the
I
Rnl
I
PIN
~ISF~
nN
I
crankshaft are clean, dry and completely free
of any lubricant, before installing flywheel.
2.
Position key properly in keyway as shown in
Figure 11
-
8 and carefully guide key slot in
flywheel hub over the key (if generator belt
pulley is used, install belt before placing
flywheel on shaft).
3.
Install lock nut or retaining nut and locking
tab. Hold flywheel with a strap wrench, and
tighten nut to its proper torque value (115
ft.
lbs. for
K482, K532
and
K582
models and
130
ft.
lbs. for
K662).
4.
Bend lock tabs (if used) over flywheel nut.
Drive roll pin back into crankshaft (see
Figure 11
-
9) or install crank pin and lock
in position with set screw.
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