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21
SERVICE AND ADJUSTMENTS
NOTE: Each full turn of the adjustment nut will change
mower height about 1/8".
• Recheck measurements, adjust if necessary 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.
TO REPLACE MOWER DRIVE BELT
(See Fig. 26)
MOWER DRIVE BELT REMOVAL
• Park tractor on a level surface. En gage parking
brake.
• Lower attachment lift lever to its lowest position.
• Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
• Remove belt from electric clutch pulley (M), both man-
drel pulleys (R) and all idler pulleys (S).
MOWER DRIVE BELT INSTALLATION
• Install belt around all mandrel pulleys (R) and around
idler pulleys (S) as shown.
• Install belt onto electric clutch pulley (M).
IMPORTANT: Check belt for proper routing in all mower
pulley grooves.
• Raise attachment lift lever to highest position.
FIG. 26
R
R
S
M
TO REPLACE MOTION DRIVE BELT
(See Fig. 27)
Park the tractor on level surface. En gage parking brake.
For as sis tance, there is a belt installation guide decal on
bottom side of left footrest.
BELT REMOVAL -
• Remove mower (See “TO RE MOVE MOWER” in this
section of manual).
NOTE: Observe entire motion drive belt and position of all
belt guides and keepers.
• Remove belt from stationary idler (A) and clutching
idler (B).
• Remove belt from centerspan idler (C).
• Pull belt slack toward rear of trac tor. Remove belt
up wards from trans axle input pulley (D).
• Remove belt downward from engine pulley (E).
• Slide belt toward rear of tractor, off the steering plate
(F) and remove from tractor.
BELT INSTALLATION -
• Install new belt from tractor rear to front, over the steer-
ing plate (F) and above clutch brake pedal shaft (G).
• Pull belt toward front of tractor and roll belt onto engine
pulley (E).
• Pull belt toward rear of tractor. Carefully work belt down
around transaxle input pulley (D). Be sure belt is inside
the belt keeper.
• Install belt on centerspan idler (C).
• Install belt through stationary idler (A) and clutch ing
idler (B).
• Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
• Install mower (See “TO IN STALL MOWER” in this sec-
tion of manual).
FIG. 27
TO CHECK BRAKE
If tractor requires more than fi ve (5) feet to stop at highest
speed in high est gear on a level, dry concrete or paved sur-
face, then brake must be serviced.
You may also check brake by:
• Park tractor on a level, dry concrete or paved surface,
depress brake pedal all the way down and engage park-
ing brake.
• Disengage transmission by placing freewheel control in
“transmission disengaged” position. Pull freewheel con-
trol 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 qualifi ed service center.
A
B
C
D
E
F
G