SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
TO REPLACE MOWER DRIVE BELT
(See Fig. 24)
MOWER DRIVE BELT REMOVAL (See Fig. 23)
Park the tractor on level surface. Engage parking brake.
Park tractor on a level surface. Engage parking brake.
Remove mower drive belt (See ?TO REPLACE MOWER
Lower mower to its lowest position.
DRIVE BELT? in this section of this manual).
Disengage belt tention rod from lock bracket.
Remove mower (See ?TO REMOVE MOWER? in this
section of this manual).
CAUTION: Rod is spring loaded. Have a
Remove screws from L.H. mandrel cover and remove
tight grip on rod and release slowly.
cover.
Remove screws from R.H. mandrel cover and removeCarefully roll belt off L.H. mandrel pulley.
cover.Remove belt from center mandrel pulley, idler pulley,
Remove any dirt or grass clippings which may haveand R.H. mandrel pulley.
accumulated around mandrels and entire upper deck
Remove any dirt or grass which may have accumulated
surface.around mandrels and entire upper deck surface.
Disconnect R.H. suspension arm from rear deck bracket
Check secondary idler arm and idler pulley to see that
by removing retainer spring.they rotate freely.
Roll belt over the top of R.H. mandrel pulley carefully.
Be sure spring is hooked in secondary idler arm and
Remove belt from electric clutch pulley.secondary spring arm.
Remove belt from idler pulleys.Install new belt in lower groove of R.H. mandrel pulley,
Check primary idler arm and two idlers to see that theyidler pulley, and center mandrel pulley as shown.
rotate freely.Carefully roll belt over L.H. mandrel pulley. Make sure
Be sure spring is securely hooked to primary idler armbelt is in all grooves properly.
and spring arm.Reinstall L.H. mandrel cover.
Reinstall mower to tractor (See ?INSTALL MOWER AND
MOWER DRIVE BELT INSTALLATION (See Fig. 23)
DRIVE BELT? in the Assembly section of this manual).
Install belt in both idlers.
Reassemble mower drive belt (See ?TO REPLACE
Install new belt onto electric clutch pulley.
MOWER DRIVE BELT? in this section of this manual).
Roll belt into upper groove of R.H. mandrel pulley
carefully.SECONDARY
IDLER ARM
Carefully check belt routing making sure belt is in theL.H.IDLER
grooves correctly.MANDRELPULLEYSPRING
Reconnect R.H. suspension arm to rear deck bracketSECONDARY
with retainer spring.SPRING ARM
Reassemble R.H. mandrel cover.CENTER
MANDREL
Engage belt tension rod by pushing rod into locking
bracket.
BELT TENSIONRH MANDREL
ROD(DISENGAGEDCOVER
POSITION)
ELECTRIC
CLUTCHR.H. MANDREL
PULLEY
FIG. 24
TO ADJUST ATTACHMENT CLUTCH
IDLER
PULLEYS(See Fig. 25)
R.H.The electric clutch should provide years of service. The
MANDREL
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 asSPRING
ARM
required. Adjustments should be made by your nearest
authorized service center/department.
RH SUSPENSION
ARMPRIMARYMake sure attachment clutch and ignition switches are
IDLER ARMin ?OFF? position.
Adjust the three nylon locknuts until space between
FIG. 23
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.
22 |
ACEC
