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SERVmCE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)
Park the tractor on level surface° Engage parking brake°
= Remove mower drive belt(See'70 REPLACE MOWER
DRIVE BELT" in this section of this manual),
= Remove mower (See 'q'O REMOVE MOWER" inthis
section of this manual).
o Remove four screws from R,H. 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 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.
o Be sure spring is hooked in secondary idlerarm and
sway-bar bracket,.
. Install new belt in lower groove of L.H. mandrel pulley,
idlerpulley, and center mandrel pulley as shown°
• Roll belt over R,Homandrel pulley. Make sure belt is in
all grooves property.
° Reconnect spring to bolt in mower housing and rein-
stall Roll. mandrel cover°
= Reinstall mower to tractor (See "INSTALL MOWER
NYLONLOCKNUT(3)
FIG. 24
BRAKE PLATE
° Make sure attachment clutch and 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 in the inside of brake platen
NOTE: After installinga new electric clutch, run tractor at
full throttle and engage and disengage e_ectdc clutch 10
cycles to wear in clutch plate°
TO ADJUST BRAKE (See Fig, 25)
Your tractor isequipped with an adjustable brake system
which ismounted on the left side of the transaxle.
If tractorrequires more than six (6) feet stopping distance
at high speed inhighest gear, then brake must be adjusted,.
• Depress clutch/brake pedal and engage parking brake°
AND DRIVE BELT" in the Assembly section of this
manual)_
Reassemble mower drive belt (See "TO REPLACE
MOWER DRIVE BELT" inthis section of this manual),.
LHo MANDREL MOWER BLADE
CENTER
DRIVE BELT MANDREL
MANDREL
COVER
IDLER ARM
SPRING'
SWAY BAR IDLER i
BRACKET PULLEY
FIG. 23
°
°
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 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 center/department.
Measure distance between brake operating arm and
nut "A" on brake rod.,
Ifdistance is other than I-3/4", Ioosen jam nut and turn
nut "A" until distance becomes 1-3/4"o Retighten jam
nut against nut "A"_
Road testtractor for proper stopping dista rice 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 "ENGAGED"
NUT "A"
ARM
AM NUT
®
FIG. 25
21