Craftsman EZ3 917.273021 Owner's Manual page 27

20.0 hp electric start 46" mower automatic garden tractor
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BELT INSTALLATION
o
• Place V part of belt intogrooves
on
engine pulley and front V-idler, making
sure to route belt inside of all belt keep-
ers.
• Route belt on right side, coming from V-
idler, towards back of tractor, above
midspan belt keeper and to top of
transaxle pulley.
• Route belt on left side, coming from
engine pulley, towards back of tractor
and through loop in midspan belt keep-
er.
• Place V part of belt into grooves on
transaxle and fan idler pulleys, making
sure to route belt inside of all belt keep-
ers.
• Retighten belt keeper above transaxle
pulley.
• Place belt around
clutching idlers as
shown, making sure to route belt inside
of all belt keepers.
• Check to be sure belt is positioned cor-
rectly and is on proper side of all belt
keepers.
• Reinstall mower.
IMPORTANT:
Chock brake adjustment.
Tractor V-Belt Drive Schematic
Viewed frorn L.H. Side of Tractor
Belt
Transaxle
Clutching Idler Keeper
Engine Clutching Rat Idler"_
Pulley
Belt Keepers
J
Belt
Fan
_
Engine
|
Keeper
Idler
_
V-Idler
As ViewedfromBottom
TO ADJUST MOTION CONTROL LEVER
The motion control lever has been preset
st the factory and adjustment should not
be necessary.
If for any reason the motion control lever
will not hold its position while at a selected
speed, it may be adjusted at the friction
pack located on the right side of chassis.
• Park tractor on level surface. Stop trac-
tor by turning ignition key to =OFF" posi-
tion and engage parking brake•
• Place motion control lever in neutral (N)
position•
• While holding Iocknut, loosen jam nut
Tighten Iocknut 1/4 turn.
While holding Iocknut, tighten jam nut
securely.
NOTE:
If for any reason the effort to
move the motion control lever becomes
too excessive, reverse the above adjust-
ment procedure by loosening Iocknut 114
tlJm.
Road test tractor after adjustment and
repeat procedure if necessary.
TRANSMISSION
REMOVAL/REPLACE-
MENT
Should y.ourtransmission require removal
for service or replacement, it should be
purged after reinstallation and before oper-
atingthe tractor. See =PURGE TRANS-
MISSION _ in the Operation section of this
manual.
Locknut
TO ADJUST
STEERING
WHEEL
ALIGN-
MENT
If steering wheel crossbars are not hori-
zontal (left to right) when wheels are posi-
tioned straight forward,
remove steering
wheel and reassemble
pe r instructions in
the Assembly section of this manual•
FRONT WHEEL TOE-IN ADJUSTMENT
Front wheel toe-in is required for proper
steering operation. Toe-in was set at the
factory and adjustment should not be nec-
essary. If parts in the front axle or steering
mechanism have been replaced or dam-
aged, check toe-in and adjust if necessary.
TO CHECK TOE-IN
• Position front wheels straight ahead.
• Measure distance between wheels at
front and rear of tires (dimensions =An
and =B').
• Front dimension =A _ should be 1/8" to
1/4" leas than rear dimension =B_.
TO ADJUST TOE-IN
• Loosen jam nuts at adjustment sleeves
on tie rod.
• Adjust tie rod untildimension =A" is 1/8"
to 1/4" less than dimension =B".
• Tighten jam nuts securely.
FRONT WHEEL CAMBER
The front wheel camber is not adjustable
on your tractor. If damage has occurred to
affect the front wheel camber, contact your
nearest authorized service center/depart-
ment.
27

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