Weed Eater SGT18H46C, Owner'S Manual

22

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 23)

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 R.H. mandrel cover and remove
cover.

•

Carefully roll belt off R.H. mandrel pulley.

•

Remove belt from center mandrel pulley, idler pulley,
and L.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 to see that they
rotate freely.

•

Install new belt in lower groove of L.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.

•

Roll belt over R.H. mandrel pulley.  Make sure belt is in
all grooves properly.

•

Reinstall R.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).

FIG. 23

L.H. MANDREL

SWAY BAR
BRACKET

SECONDARY
IDLER ARM

IDLER PULLEY

MOWER
BLADE
DRIVE BELT

SCREW

R.H.
MANDREL
COVER

CENTER
MANDREL

SPRING

FIG. 24

IDLER
PULLEYS

L.H.
MANDREL
COVER

SCREWS

SMALL
RETAINER
SPRING

CLUTCH SPRING

BELT
KEEPERS

MOWER
DRIVE
BELT

L.H.
MANDREL

FIG. 22

ENGINE
PULLEY

TO REPLACE MOTION DRIVE BELT
(See Fig. 25)

Park the tractor on level surface.  Engage parking brake.  For
assistance, there is a belt installation guide decal on bottom
side of left footrest.
•

Remove mower (See “TO REMOVE MOWER” in this
section of this manual.)

•

Remove belt from stationary idler and clutching idler.

•

Pull belt slack toward rear of tractor.  Carefully remove
belt upwards from transmission input pulley and over
cooling fan blades.

•

Pull belt toward front of tractor and remove downward
from around engine pulley.

•

Install new belt by reversing above procedure.

TO ADJUST BRAKE (See Fig. 24)

Your tractor is equipped with an adjustable brake system
which is mounted on the side of the transaxle.
If tractor requires more than six (6) feet stopping distance at
high speed  in highest gear on a level dry concrete or paved
surface, then brake must be adjusted.
•

Depress clutch/brake pedal and engage parking brake.

•

Measure distance between brake operating arm and nut
“A” on brake rod.

•

If distance is other than 1-1/2", loosen jam nut and turn
nut “A” until distance becomes 1-1/2".  Retighten jam nut
against nut “A”.

•

Road test tractor for proper stopping distance as stated
above.  Readjust if necessary.  If stopping distance is
still greater than six (6) feet in highest gear, further
maintenance is necessary.  Contact your nearest  au-
thorized service center/department.

1-1/2"

WITH PARKING

BRAKE  “ENGAGED”

JAM NUT

DO NOT TOUCH THIS
NUT.  IF FURTHER
BRAKE ADJUSTMENT IS
NECESSARY CONTACT
YOUR NEAREST
AUTHORIZED SERVICE
CENTER/DEPARTMENT

OPERATING
ARM

NUT  “A”

FIG. 25

ENGINE
PULLEY

CLUTCHING
IDLER

STATIONARY
IDLER

TRANSMISSION
INPUT PULLEY