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50
Power
Train
Tractors,
Lawn
and
Garden
-
110
and
112
10-8
Clutch,
Brake
and
Variable
Speed
Drive
SM-2059-(Apr-67)
REPAIR
INVERTING
TRACTOR
The
Owatonna
Motor-Rotor
Repair
Stand,
Figure
g,
is
avail
a
ble
to
make
easy
work
of
in-
tractor
adjustments
and
repair
of
power
train
components.
See
"Special
Tools,"
page
20-21.
Be
sure
to
shut
off
gas
connection
and
drain
tank
to
prevent
gas
leakage
when
tractor
is
turn-
ed
upside
down.
Remove
battery,
drain
engine
crankcase
and
plug
hydraulic
reservoir
before
inverting
tractor.
Fig.
9-Repair
Stand
REPLACING
PRIMARY
V-BELT
CAUTION:
To prevent possIbility
of
In-
Jury, always remove spark plug cable
before removing belts.
Fig .
IO-Primary
Belt
and
Belt
Guid
e
Remove
muffler
and
disconnect
safety
switch
leads.
Remove
belt
guards,
belt
guide,
hydraulic
drive
belt
and
mower
drive
if
tractor
is
so
equipped.
Move
variable
speed
control
lever
for-
ward
(fast
speed
position).
Turn
engine
over
slightly
until
variator
is
fully
back.
Then
raise
secondary
idler
and
slip
secondary
belt
off
vari-
ator
sheave.
Fig.
II-Belts,
Belt
Guides,
Varia
tor and Input
Sheave
After
secondary
belt
is
r e
moved
from
vari-
ator,
depress
clutch-brake
pedal
and
lock
park-
ing
brake
to
hold
variator
forward.
Remove
primary
belt
guide,
Figure
10,
and
loosen
bolt
holding
belt
guide,
Figure
11.
Remove
belt
from
variator
and
engine
sheave.
Reverse
above
procedure
to
install
new
pri-
mary
belt.
Adjust
primary
belt
guide,
Figure
11.
IMPORTANT:
After
replacing
primary
belt,
yeadjustlinkage.
Refer
to
"Adjustment,"
page
10-16.
Litho
in
U.S.A.