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SERVICE
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''TO REPLACE MOWER
DRIVE BELT" in this section of this manual).
° Remove mower (See "TO REMOVE MOWER" in this
section of this manual)
o Remove four screws from RH.. 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, idter pulley,
and LH. mandrel pulley.
° Remove any dirt or grass which may have accumu-
lated around mandrels and entire upper' deck surface.
o Check secondary idler arm and idler to see that they
rotate freely_
o Be sure spring is hooked in secondary idler arm and
sway-bar bracket,
° Instal! new belt in lower groove of L.H.;mandrel pulley,
idler pulley, and center mandrel pulley as shown.
° Roll belt over R.Homandrel pulley° Make sure belt isin
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)_
o Reassemble mower drive belt (See "TO REPLACE
MOWER DRIVE BELT" in this section of this manual)°
L,,H,,MANDREL MOWER BLADE CENTER
"_, MANDREL
IDLER ARM
/
SWAY BAR IDLER _?,';_t}
BRACKET PULLEY
FIGo 23
\
\
R_H_
MANDREL
COVER
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 should be made by your nearest
authorized service centerldepartment.
o Make sure attachment clutch and ignition switches are
in "OFF" position.,
° Adjust the three nylon Iocknuts until space between
clutcti plate and rotor measures .012" at all three slot
locations cut in the inside of brake plate.
NOTE: After instafling a new electric clutch, run tractor at
full throttfe and engage and disengage electric clutch 10
cycles to wear in clutch plate_
CLUTCH PLATE
SLOT .0t2"
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 inhighest gear, then brake must be adjusted_
° Depress clutch/brake pedal and engage parking broke.
= Measure distance between brake operating arm and
nut "A" on brake rod.
o If distance is other' than 1-3/4", loosen jam nut and turn
nut "A" until distance becomes 1-3/4'L Retighten jam
nut against nut "A"o
° 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 "ENGAGED"
NUT "A"
AM NUT
®
FIG, 25
22