To Replace Mower Blade Drive Belt; To Adjust Attachment Clutch; To Adjust Brake - Craftsman 917.272962 Owner's Manual

TO REPLACE MOWER BLADE DRIVE
BELT
Park the tractor on level surface. Engage
parking brake.
1. Remove mower ddve belt (See "TO
REPLACE MOWER DRIVE BELT" in
this section of this manual).
2. Remove mower (See "TO REMOVE
MOWER" in this section of this
manual).
3. Remove screws from R.H. mandrel
cover and remove cover. Unhook
spring from bolt on mower housing.
4. Carefully roll belt off R.H. mandrel
pulley.
5. Remove belt from center mandrel
pulley, idler pulley, and L.H. mandrel
pulley.
6. Remove any dirt or grass which may
have accumulated around mandrels
and entire upper deck surface.
7. Check secondary idler arm and idler
J
to see that they rotate freely.
8. Be sure spdng is hooked in secondary
idler arm and sway-bar bracket.
9. Install new belt in lower groove of L.H.
mandrel pulley, idler pulley, and
center mandrel pulley as shown.
10.Roll belt over R.H. mandrel pulley.
Make sure belt is in all grooves
properly.
11. Reconnect spring to bolt in mower
housing and reinstall R.H. mandrel
cover,
12. Reinstall mower to tractor (See
"INSTALL MOWER AND DRIVE
BELT" in the Assembly section of this
manual).
• Reassemble mower ddve belt (See
"TO REPLACE MOWER DRIVE BELT"
in this section of this manual).
Mower
Left Hand Blade Center
Mandrel Drive Belt Mandrel
Idler
Right
Hand
Mandrel
Cover
Idler Arm
Anti-Sway-
Bar Bracket
TO ADJUST ATTACHMENT CLUTCH
The electdc clutch should provide years
of service. The clutch has a built-in brake
that stops the pulley within 5 seconds.
25
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 Sears or other qualified service
center.
t. Make sure attachment clutch and
ignition switches are in =OFF" position.
2. Adjust the three nylon Iocknuts until
space between clutch plate and rotor
measures .012" at all three slot
locations cut in the side of brake plate.
NOTE: After installing a new electdc
clutch, run tractor at full throttle and
engage and disengage electdc clutch 10
cycles to wear in clutch plate.
Rotor Slot (3) ClutchPlate
- I
e. ake/ I
I \Nylon
t'laze _ Locknut (3)
TO ADJUST BRAKE
Your tractor is equipped with an adjustable
brake system which is mounted on the
side of the transaxle.
If tractor requires more than six (6) feet
stopping distance at high speed in
highest gear on a level dry concrete or
paved surface, then brake m_mtbe
adjusted.
1. Depress clutch/brake pedal and
engage parking brake.
2. Measure distance between brake
operating arm and nut "A" on brake
rod.
3. If distance is other than 1-1/2", loosen
jam nut and turn nut =A"until distance
becomes 1-1/2". Rstighten jam nut
against nut =A".
4. 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 neces-
sary. Contact a Sears or other
qualified service center.
With Parking Brake
"Engaged"
Nut "A"
_. Ja_p: autting
\/Arm
C --41