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23
SERVICE AND ADJUSTMENTS
02513
FIG. 23
PRI MA RY
IDLER ARM
R.H.
MANDREL
IDLER
PULLEY
ELEC TRIC
CLUTCH
PULLEY
SPRING
ARM
BELT
TENSION ROD
(DIS EN GAGED
POSITION)
RH MAN DREL
COVER
RH
SUSPENSION
ARM
IDLER
PULLEY
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 23)
• Park tractor on a level surface. En gage parking
brake.
• Lower mower to its lowest position.
• Disengage belt tention rod from lock bracket.
CAUTION: Rod is spring loaded. Have a
tight grip on rod and release slowly.
• Remove screws from R.H. mandrel cover and remove
cover.
• Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
• Disconnect R.H. suspension arm from rear deck bracket
by removing retainer spring.
• Roll belt over the top of R.H. mandrel pulley carefully.
• Remove belt from electric clutch pulley.
• Remove belt from idler pulleys.
• Check primary idler arm and two idlers to see that they
rotate freely.
• Be sure spring is securely hooked to primary idler arm
and spring arm.
MOWER DRIVE BELT INSTALLATION (See Fig. 23)
• Install belt in both idlers.
• Install new belt onto electric clutch pulley.
• Roll belt into upper groove of R.H. mandrel pulley care-
ful ly.
• Carefully check belt routing making sure belt is in the
grooves correctly.
• Reconnect R.H. suspension arm to rear deck bracket
with retainer spring.
• Reassemble R.H. mandrel cover.
• Engage belt tension rod by pushing rod into locking
bracket.
02517
BOTH FRONT PLATE LINKS MUST BE
EQUAL IN LENGTH
TRUN NION
FRONT PLATE
AS SEM BLY
NUT “C”
NUT “D”
FIG. 22
02516
TO REPLACE MOWER BLADE (SEC OND ARY)
DRIVE BELT (See Fig. 24)
Park the tractor on level surface. En gage parking brake.
• Remove mower (See “TO REMOVE MOWER” in this
section of manual).
• Remove screws from R.H. and L.H. mandrel covers
and re move covers.
REMOVE MOWER DRIVE BELT
(Refer to “TO REMOVE MOWER DRIVE BELT” il lus tra tion
in this section of manual).
• Carefully roll belt over the top of R.H. mandrel pulley.
• Remove belt from idler pulleys.
• Check primary idler arm and two idlers to see that they
rotate freely.
• Be sure spring is securely hooked to primary idler arm
and spring arm.
REMOVE MOWER BLADE (SECONDARY) DRIVE BELT
• Carefully roll belt off L.H. mandrel pulley.
• Remove belt from center mandrel pulley, idler pulley,
and R.H. man drel pulley.
• Remove any dirt or grass which may have ac cu mu lat ed
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 sec ond ary idler arm and
secondary spring arm.
INSTALL NEW MOWER BLADE (SECONDARY) DRIVE
BELT
• 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 MOWER DRIVE BELT
(Refer to “TO REMOVE MOWER DRIVE BELT” illustration
in this section of man u al).
• Install belt into upper groove of R.H. mandrel pulley
and around both idlers. Pull belt to front of mower to
remove slack.