Craftsman 917.274980 Owner's Manual page 23

TO REPLACE MOWER BLADE DRIVE
BELT
Park the tractor on level surface. Engage
parking brake.
1. Remove mower drive belt (See "TO
REPLACE MOWER DRIVE BELT" in
this section of manual).
2. Remove mower (See "TO REMOVE
MOWER" in this section of 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
to see that they rotate freely.
8. Be sure spring is hooked in secondary
idler arm and anti-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).
13. Reassemble mower drive belt (See
"TO REPLACE MOWER DRIVE BELT"
in this section of manual).
L.H. Mower Blade Center
Mandrel Drive Belt Mandrel
Idler Pulley
Secondaq
Idler
Spring
Anti-Swa_
Bar Bracket
Screw
R.H. Mandrel
Cover
TO ADJUST A'I-rACHMENT CLUTCH
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 center/
department.
1. 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 electric
clutch, run tractor at full throttle and
engage and disengage electric clutch 10
cycles to wear in clutch plate.
TO REPLACE MOTION DRIVE BELT
Park the tractor on level surface. Engage
parking brake. For ease of service there
is a belt installation guide decal on
bottom of left footrest.
1. Remove mower (See "TO REMOVE
MOWER" in this section of this
manual.)
BELT REMOVAL -
2. Create slack in belt by removing
retainer spring from drive belt tension
handle.
3. Remove belt from all idler pulleys,
transaxle pulley and then from engine
pulley.
BELT INSTALLATION -
1. Install new belt around engine pulley
first, then around transaxle pulley and
lastly into all the idler pulleys.
2. Check to be sure belt is positioned
correctly and is on proper side of all
belt keepers.
3. Engage the drive belt tension handle
and replace the retainer spring.
4. Reinstall mower.
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