Craftsman EZ3 917.258863 Owner's Manual page 22

S
AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
Park the tractor on level surface. Engage parking brake.
• Remove mowerddve belt (See'TO REPLACE MOWER
DRIVE BELT" in this section of this manual).
- Remove mower (See "TO REMOVE MOWER" in this
section of this manual).
° Remove four' screws from Roll. mandrel cover and
remove cover. Unhook spring from bolt on mower
housing.
• Carefully roll belt off R.H. mandrel pulley.
° Remove belt from center mandrel pulley, idler pulley,
and L.Ho mandrel pulley°
• Remove any dirt or grass which may have accumu-
lated around mandrels and entire upper deck surface.
, Check secondary idler arm and idler to see that they
rotate freely°
° Be sure spring is hooked in secondary idler arm and
sway-bar bracket.
• Install new belt in lower groove of L.Ho mandrel pulley,
idler pulley, and center mandrel pulley as shown.
= Roll belt over Roll. mandrel pulley. Make sure belt is in
all grooves properly.
, Reconnect spring to bolt in mower housing and rein-
stall R.H. mandrel cover.
° Reinstall mower to tractor (See'q'O INSTALL MOWER"
in the Assembly section of this manual).
. Reassemble mower' drive belt (See "TO REPLACE
MOWER DRIVE BELT' in this section of this manual).
R_H_
MANDREL
COVER
L.H, MOWER CENTER
MANDREL BLADE
DRIVE BELT MANDREL
SECOI
IDLER ARM
SWAY-eAR
BRACKET SCREW
FIG. 23
SPRING
IDLER
PULLEY
TO ADJUST ATTACHMENT CLUTCH
(See Fig. 24)
The electric clutch should provide years of service. The
clutch has a built-in brake that stops the pulley within 5
seconds. Eventually, the internal brake will wear' which
may cause the mower blades to not engage, or, to not stop
as required, Adjustments shouldbe made by your nearest
authorized service center/department,,
° Make sure attachment clutch and tgnitionswitches are
in "OFF" position.
° Adjust the three nylon locknuts until space between
clutch plate and rotor measures .012' at alt three slot
locations cut inside of brake plate.
NOTE-" After installinga new electric clutch, run tractor at
full throttle and engage and disengage electric clutch 10
cycles to wear in clutch plate.
CLUTCH PLATE
.012"
NYLON LOCKNUT (3)
FIG. 24
BRAKE PLATE
TO ADJUST BRAKE (See Fig. 25)
Your tractor is equipped with an adjustable brake system
which is mounted on the left side of the transaxle_
If tractor requires more than six (6) feet stopping distance
at high speed in highest gear',then brake must be adjusted.
° Depress clutch/brake pedaland engage parking brake.
• Measure distance between brake operating arm and
nut "A" on brake rod.
tf distance isother than 1-3/4", loosen jam nut arid turn
nut "A" until distance becomes 1-3/4". Retighten jam
nut against nut "A".
Road test tractor for proper stopping distance as stated
above. Readjust if necessary. If stopping distance is
still greater than six (6) feet in highest gear, further
maintenance is necessary. Contact your nearest au-
thorized service center/department.
WITH PARKING BRAKE "ENGAGE"
OPERATING
ARM NUT
FIG. 25
22