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Loosen jam nut A first
NOTE: Each full turn of the adjustment
nut will change mower height about 1/8".
• Recheck measurements, adjust if nec-
essary until front tip of blade is 1/8" to
1/2" lower than the rear tip.
• Hold adjustment nut in position with
wrench and tighten jam nut securely .
against adjustment nut.
C-.
26
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL
1. Park tractor on a level surface. Engage
parking brake. .
2. lower attachment lift lever to its lowest
position.
3. Disengage belt tension rod (K) from
1\
lock bracket (l).
a
CAUTION: Belt tension rod is spring
loaded. Have a firm grip on rod and re-
lease slowly. ..
4. Remove screws (P) fromRH and L.H.
mandrel covers and remove covers
(0).
5. Remove any dirt or grass clippings
which may have accumulated around
mandrels and entire upper deck sur-
face.
6. Remove belt from electric clutch pulley
(M), both mandrel pulleys (R) and all
idler pulleys (S).
MOWER DRIVE BELT INSTALLATION
1. Install belt around both mandrel pul-
leys (R) and around idler pulleys (S) as
shown.
2. Install belt onto electric clutch pulley
(M).
IMPORTANT: Check belt for proper rout-
ing in all mower pulley grooves.
3. Reassemble R.H. and L.H. mandrel
covers
(0).
Securely tighten all screws.
4. Engage belt tension rod (K) on locking
bracket (l).
A CAUTION: Belt tension rod is spring
loaded. Have a tight grip on rod and en-
gage slowly.
5. Raise attachment lift lever to highest
position.
"
TO ADJUST ATTACHMENT 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 a Sears
or other qualified service center.
1. Make sure attachment clutch and igni-
tion switches are in "OFF" position.
2. Adjust the three nylon locknuts until
space between clutch plate and rotor
measures .012" at all three slot loca-
tions 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.
Rotor
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.
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. Disconnect clutch wire harness (A).
3. Remove anti-rotation link (B) on right
side of tractor.
4. Remove belt from stationary idler (C)
and clutching idler (D).
5. Remove belt from centerspan idler (E).
6. Pull belt slack toward rear of tractor.
Carefully remove belt upwards from
transmission input pulley and over
cooling fan blades (F).
7. Remove belt downward from engine
pulley and around electric clutch (G).
8. Slide belt toward rear of tractor; off the
steering plate (H)'and remove from
tractor.
27
BELT INSTALLATION -
1. Install new belt from tractor rear to
front, over the steering plate (H) and
above clutch brake pedal shaft (J).
2.' Pull belt toward front of tractor and roll
belt around electric clutch and onto
engine pulley (G).
3. Pull belt toward rear of tractor. Care-
fully work belt down around transmis-
sion cooling fan and onto the input
pulley (F). Be sure belt is inside the
belt keeper.
4. Install belt on centerspan idler (E).
5. Install belt through stationary idler (C)
and clutching idler (D).
6. Reinstall anti-rotation link (B) on right
side of tractor. Tighten securely.
7. Reconnect clutch hamess (A).
8. Make sure belt is in all pulley grooves
and inside all belt guides and keepers.
9. Install mower (See "TO INSTAll
MOWER" in this section of manual).