Jonsered LT2119A Lawn Mower User Manual


 
22
SERVICE AND ADJUSTMENTS
L.H. MANDREL
CENTER
MANDREL
IDLER PULLEY
R.H.
MAN DREL
COVER
SPRING
FIG. 25
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 25)
Park the tractor on level surface. En gage parking brake.
• Remove mower drive belt (See “TO REPLACE MOW ER
DRIVE BELT” in this section of this manual).
• Remove mower (See “TO REMOVE MOWER” in this
section of this man u al).
• Remove screws from L.H. mandrel cover and re move
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 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 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 “IN STALL MOWER
AND DRIVE BELT” in the Assembly section of this
man u al).
• Re as sem ble mower drive belt (See “TO REPLACE
MOW ER DRIVE BELT” in this section of this manu-
al).
SEC OND ARY
IDLER ARM
SEC OND ARY
SPRING ARM
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 24)
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. man drel 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. 24)
• Install belt in both idlers.
• Install new belt onto electric clutch pulley.
• Roll belt into upper groove of R.H. mandrel pulley care-
fully.
• 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.
FIG. 24
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 CHECK AND ADJUST BRAKE
(See Fig. 26)
Your tractor is equipped with an ad just able brake system
which is mounted on the right side of the transaxle.
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
surface, then brake must be checked and ad just ed.
TO CHECK BRAKE
• Park tractor on a level, dry concrete or paved surface,
depress brake pedal all the way down and engage
parking brake.