Craftsman EZ3 917.251481 Owner's Manual page 22

S A
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 25)
Park the tractor on level surface. Engage parking brake°
° Remove mowerdrive 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 R.H,, mandrel cover and
remove cover. Unhook spring from bolt on mower
housing,,
- Carefully roll belt off RHo mandrel pulley.
° Remove belt from center mandrel pulley, idler pu_ey,
and LH. 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,,H, mandrel pulley,
idler pulley, and center mandrel pulley as shown.
• Roll belt over RHo mandrel pulley. Make sure be{t is in
air grooves properly,
• Reconnect spring to bolt in mower housing _.nd rein-
stall Roll,, 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).
L.H, MOWER CENTER
MANDREL BLADE
DRWE BELT MANDREL
IDLER
PULLEY
ADJUSTMENTS
NOTE: After installinga new electric ctutch, run tractor at
full throttle and engage and disengage electric clutch 10
cycles to wear in clutch plate_
NYLON LOCKNUT (3)
FIG. 26
BRAKE PLATE
TO ADJUST BRAKE (See Fig. 27)
Your tractor is equipped with an adjustabte brake system
which is mounted on the left side of the transaxte.
If tractor requires more than six (6) feet stopping distance
at high speed in highest gear, then brake must be adjusted.
R_H.
MANDREL
COVER
IDLER ARM
SPRING SWAY-BAR \
BRACKET SCREW
FIG. 25
TO ADJUST ATTACHMENT CLUTCH
(See Fig. 26)
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 witl wear which
may cause the mower blades to not engage, or, to not stop
as required. Adjustments should be made by your nearest
authorized service centeridepartmento
° Make sure attachment clutchand ignitionswitches are
in "OFF" position.
° Adjust the three nylon locknuts until space between
clutch plate and rotor measures _012"at all three slot
locations cut inside of brake plate,,
° Depress clutch/brake pedal and engage parking brake.
• Measure distance between brake operating arm and
nut "A" on brake rod.
if distance is other than 1-3/4", loosen jam nut and turn
nut "A until distance becomes 1-3/4"o 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
mainter_ance is necessary. Contact your nearest au-
thorized service center/department.
WITH PARKING BRAKE "ENGAGE"
OPERATING
ARM
FIG. 27
22