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ERVmCE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
Park the tractoron level surface. Engage parkingbrake_
, Remove mowerdrivebelt(See"TO REPLACEMOWER
DRIVE BELT" in this section of this manual)_
, Remove mower (See "TO REMOVE MOWER" in this
sectionof this manual)..
• Remove four screws from R.Ho mandrel cover and
remove cover.. Unhook spring from bolt on mower
housing,
• Carefully roll belt off RoHomandrel pulley.
• Remove belt from center mandret putley, idlerpulley,
and Loll. 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.Homandrel pulley,
idler pulley, and center mandrel pulley as shown_
° Roll belt over RoHomandrel pulley. Make sure belt is in
all grooves properly.
• Reconnect spring to bolt in mower housing and rein-
stall RH_ mandrel cover.
• Reinstall mower to tractor (See "INSTALL MOWER
AND DRIVE BELT" in the Assembly section of this
manual)°
• Reassemble mower drive belt (See "TO REPLACE
MOWER DRIVE BELT" in this section of this manual).
LH. MOWER BLADE
DRIVE BELT CENTER
MANDREL
COVER
IDLER ARM
SWAY-BAR IDLER
BRACKET PULLEY
FIG. 23
TO ADJUST ATTACHMENT CLUTCH
(See Fig. 24)
The electric clutchshould provideyears 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 notengage, or, to not stop
as required. Adjustments should be made byyour nearest
authorized service center/department.
° Make sure attachment clutch and ignition switches are
in "OFF" position.
° Adjust the three nylon locknuts until space between
clutch plate and rotor measures o012"at all three slot
locations cut in side of brake plate_
NOTE: After installinga new electric clutch, run tractorat
full throttle and engage and disengage electric clutch 10
cycles to wear in clutch plate°
CLUTCH PLATE
NYLON LOCKNUT (3)
FIG. 24
BRAKE PLATE
TO ADJUST BRAKE (See Fig. 25)
Your tractor isequipped with an adjustable brake system
which is mounted on the side of the transaxle.
Iftractor requires more than six (6) feet stopping distance
athigh speed in highest gear, then brake must be adjusted°
• Depress clutch/brake pedal and engage parking brake..
= Measure distance between brake operating arm and
nut "A" on brake rod..
o Ifdistance isother than 1-1/2", loosen jam nut and turn
nut 'W' until distance becomes 1-1/2". Retighten jam
nut against nut "A".
° Road test tractor for proper stopping distance as stated
above. Readjust ifnecessary, If stopping distance is
still greater than six (6) feet in highest gear, further
maintenance isnecessary° Contact your nearest au..
thorized service center/department.
WITH PARKING BRAKE "ENGAGED"
NUT "A"
JAM NUT
FIG. 25
23