To Replace Mower Blade Drive Belt; To Replace Motion Drive Belt; To Check Brake - Craftsman 28924 - YT 3000 21 HP/46" Yard Tractor Operation Manual

TO REPLACE MOWER BLADE DRIVE BELT
The mower blade drive belt may be replaced
without tools. Park the tractor on level sur-
face. Engage parking brake.
BELT REMOVAL-
1. Remove mowerfrom tractor (See"TO RE-
MOVE MOWER"inthissection ofmanua0.
2. Work belt off both mandrel pulleys and
idler pulleys.
3. Pull belt away from mower.
BELT INSTALLATION -
.
2.
3.
Mandrel
Pulle
Work belt around both mandrel pulleys
and idler pulleys
Make sure belt is in all pulley grooves
and inside all belt guides.
Install mower (See "To Install Mower" in
this section of this manual).
Idler
Pulle
2. Pull belt toward front of tractor and roll
belt onto engine pulley (E).
3. Pull belt toward rear of tractor. Carefully
work belt down around transmission
cooling fan and onto the input pulley (D).
Be sure belt is inside the belt keeper.
4. Install belt on centerspan idler (C).
5. Install belt through stationary idler (A)
and clutching idler (B).
6. Make sure belt is in all pulley grooves
and inside all belt guides and keepers.
7. Install mower (See "TO INSTALL MOW-
ER" in this section of manual).
Mandrel
03043
TO REPLACE MOTION DRIVE BELT
Park the tractor on level surface. Engage
parking brake. For assistance, there is a
belt installation guide decal on bottom side
of left footrest.
BELT REMOVAL-
1. Remove mower (See "TO REMOVE
MOWER" in this section of manual).
NOTE: Observe entire motion drive belt and
position of all belt guides and keepers.
2. Remove beltfrom stationary idler (A) and
clutching idler (B).
3. Remove belt from centerspan idler (C).
6. Pull belt slack toward rear of tractor.
Carefully remove belt upwards from
transmission input pulley and over cool-
ing fan blades (D).
4. Remove belt downward from engine
pulley (E).
5. Slide belt toward rear of tractor, off the
steering plate (F) and remove from tractor.
BELT INSTALLATION -
1. Install new belt from tractor rear to front,
over the steering plate (F) and above
TO CHECK BRAKE
If tractor requires more than five (5) feet to
stop at highest speed in highest gear on a
level, dry concrete or paved surface, then
brake must be serviced.
You may also check brake by:
1. Park tractor on a level, dry concrete or
paved surface, depress brake pedal all
the way down and engage parking brake.
2. Disengage transmission by placing
freewheel control in "transmission dis-
engaged" position. Pull freewheel control
out and into the slot and release so it is
held in the disengaged position.
The rear wheels must lock and skid when
you try to manually push the tractor forward.
If the rear wheels rotate, then the brake
needs to be serviced. Contact a Sears or
other qualified service center.
FRONT WHEEL TOE-IN/CAMBER
Your new tractor front wheel toe-in and cam-
ber is set at the factory and is normal. The
front wheel toe-in and cam ber are not adjust-
able. If damage has occurred to affect the
factory set front wheel toe-in or camber, con-
tact a Sears or other qualified service center.
clutch brake pedal shaft (G).
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