Service and adjustments – Jonsered LT2119A User Manual

Page 22

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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.

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