Replace Mower Blade Drive Belt; Adjust Brake; Replace Motion Drive Belt - Craftsman 3one 917.252580 Owner's Manual

SERVICE AND ADJUSTMENTS
WITH PARKING BRAKE "ENGAGED"
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 22)
The mower blade drive belt may be replaced without tools,,
Park the tractor on level surface, Engage parking brake.
BELT REMOVAL -
• Remove mower' from tractor' (See '%0 REMOVE
MOWER" in this section of this manual)
• Work belt off both mandrel pulleys and idler pulleys,
° Pull belt away from mower.
BELT INSTALLATION -
o Install new belt in reverse order of removal.
Make sure belt is in all pulley grooves and inside all belt
guides,,
Install mower' in reverse order of removal instructions.
IDLER
PULLEYS
MANDREL
PULLEY
MANDREL
PULLEY
FIG. 22
TO ADJUST BRAKE (See Fig. 23)
Your tractor is equipped with an adjustable brake system
which is mounted on the right 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 pedal and engage parking brake.
. Measure distance between brake operating arm and
nut "A" on brake rod°
If distance is other' than 1-1/2", loosen jam nut and turn
nut "A" until distance becomes 1-1/2'L 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.
NUT"A"
JAM NUT
/
7°
OPERATING
ARM
FIG. 23
TO REPLACE MOTION DRIVE BELT
(See Fig. 24)
Park the tractor on level surface. Engage parking brake.
For assistance, there is a belt installation guide decal on
bottom side of left footresL
= Remove mower (See "TO REMOVE MOWER" in this
section of this manual.)
. Disconnect clutch wire harness_
• Remove clutch locater
° Remove upper belt keeper.
Remove belt from stationary idler and clutching idler.
Pull belt slack toward rear of tractor. Remove belt
upwards from transaxle pulley by deflecting belt keep-
ers.
• Pull belt toward front of tractor and remove downwards
from around electric clutch
o Install new belt by reversing above procedure,
IMPORTANT: MAKE SURE UPPER BELT KEEPER IS
POSITIONED PROPERLY BETWEEN LOCATOR TABS
AND ELECTRIC CLUTCH WIRE CONNECTION IS
SECURE,,
CLUTCH
CLUTCHING
IDLER
CLUTCH LOCATOR
LOCATORTABS
UPPER BELT
KEEPER
STATIONARY
IDLER
TRANSAXLE
CLUTCH
WIRE
HARNESS
22
FIG. 24