--------------CHAPTER1
--------------
FLYWHEEL
REMOVAL
1.
To
gain
access
to the flywheel separate
the
engine
to transmission. Refer to
"SEPARATING
THE
UNIT".
Flywheel
Runout
1. Dial Indicator 2. Flywheel
2. Prior to removal
and
using a dial indicator,
rotate the flywheel, Figure 54, and meas-
ure to specification 0.005 in (0.127mm)
Total Indicator Reading. If
not
to specifi-
cation
check
crankshaft to flywheel seat-
ing.
Inspection and Repair
1. Inspect the flywheel ring
gear
and if
dam-
aged
renew
in the following
manner:-
Cut
old ring
gear
free from the flywheel.
Clean the mating
surfaces
of
the
new
ring
gear
and flywheel.
2. Use temperature indicating crayons to
mark
the side face
of
the ring
gear
in
six
equal places,
mark
with a
204°C
(400°F)
crayon
at
a point 0.5 in (13mm)
below
the
root
of
the teeth and
mark
with a
212°C
(450°) crayon at a point just
below
root
of
the teeth.
29
3.
Use
an
oxy-acetylene
torch with a tip size
of
No.2
maximum
and
direct the flame
against the internal face
of
the gear.
4. Quickly
place
the
hot
gear
on
the
fly-
wheel, with flat face against the
shoulder
on the flywheel. The
gear
to flywheel
runout
should
be
checked
using a dial in-
dicator
and
should
not
exceed
a Total In-
dicator
Reading of 0.025 in (0.63mm).
Installation
1.
Clean the crankshaft rear flange
and
mat-
ing surface
of
the flywheel
and
install
the
flywheel, torque the bolts to:
145 lbf ft (197N m) 20
kgf
m.
REAR
COVER
PLATE
REMOVAL
55
Rear
Cover
Plate Removal
1. Retaining Bolts
R1-52
!;(i
1.
To
gain access to the
engine
oil pump,
camshaft
gear
or
end
of
crankshaft, re-
move
the oil pan as previously
described
and
the rear cover, Figure 55, in
the
fol-
lowing manner:
Split tractor see
"SEPARATING
THE
UNIT"
2. With rear of engine
exposed
loosen
and
remove the 12 attaching bolts
and
gently
pry off cover plate.
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