22
SERVICE AND ADJUSTMENTS
TO ADJUST ATTACHMENT CLUTCH
(See Fig. 25)
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.
•
Make sure attachment clutch and ignition switches are
in “OFF” position.
•
Adjust the three nylon locknuts until space between
clutch plate and rotor measures .012" at all three slot
locations cut in 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
CLUTCH PLATE
.012"
NYLON
LOCKNUT (3)
SLOT (3)
BRAKE PLATE
FIG. 25
FIG. 24
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 24)
Park the tractor on level surface. Engage parking brake.
•
Remove mower drive belt (See “TO REPLACE MOWER
DRIVE BELT” in this section of this manual).
•
Remove mower (See “TO REMOVE MOWER” in this
section of this manual).
•
Remove screws from L.H. mandrel cover and remove
cover.
•
Carefully roll belt off L.H. mandrel pulley.
•
Remove belt from center mandrel pulley, idler pulley,
and R.H. mandrel pulley.
•
Remove any dirt or grass which may have accumulated
around mandrels and entire upper deck surface.
•
Check secondary idler arm and idler pulley to see that
they rotate freely.
•
Be sure spring is hooked in secondary idler arm and
secondary spring arm.
•
Install new belt in lower groove of R.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.
•
Carefully roll belt over L.H. mandrel pulley. Make sure
belt is in all grooves properly.
•
Reinstall L.H. mandrel cover.
•
Reinstall mower to tractor (See “INSTALL MOWER
AND DRIVE BELT” in the Assembly section of this
manual).
•
Reassemble mower drive belt (See “TO REPLACE
MOWER DRIVE BELT” in this section of this manual).
L.H.
MANDREL
IDLER
PULLEY
CENTER MANDREL
SPRING
SECONDARY
IDLER ARM
SECONDARY
SPRING ARM
R.H. MANDREL
Содержание Craftsman 944.601901
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