Craftsman 917.280150 Operator's Manual page 23

TO REPLACE MOWER BLADE DRIVE
BELT
The mower blade drive belt may be
replaced without tools. Park the tractor on
level surface. Engage parking brake.
BELT REMOVAL-
1. Place attachment clutch in "DISEN-
GAGED" position.
2. Move attachment lift lever forward to
lower mower to its lowest position.
3. Roll belt off engine pulley.
4. Work belt off both mandrel pulleys and
idler pulleys.
5. Pull belt away from mower.
BELT INSTALLATION -
1. Work new belt around both mandrel
pulleys and idler pulleys.
2. Install new belt into engine pulley
grove.
3. Make sure belt is inside the belt keeper
at the idler and on both sides of the
wire belt keeper as shown.
IMPORTANT: Check belt for proper rout-
ing in all mower pulley grooves.
Belt Wire Belt Keeper
Keeper
Mandrel _ --':_-
Pulle'
Engine
Pulley
idler
Pulleys
Pulley
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 clutch/brake
pedal all the way down and engage
parking brake.
2. Place gear shift lever in neutral 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.
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 belt from stationary idler and
clutching idler.
3. Remove belt downward from around
engine pulley.
4. Pull belt slack toward rear of tractor.
Remove belt upwards from transaxle
pulley by deflecting belt keepers.
5. Remove belt from center span keeper
and pull belt away from tractor.
BELT INSTALLATION -
1. Carefully work new belt down between
transaxle belt keepers and onto the input
pulley.
2. Slide belt into the center span keeper.
3. Pull belt toward front of tractor and roll
around the top groove of engine pulley.
4. Install belt through stationary idler and
clutching idler.
5. Make sure belt is in all pulley grooves
and inside all belt guides and keepers.
6. Install mower (See "TO INSTALL MOW-
ER" in this section of manual).
Engine Pulle'
Clutching
Center
Keeper
Stationary Idler
Transaxle
Pulley
23