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To Replace Motion Drive Belt; To Check And Adjust Brake - Husqvarna YTH2748 Owner's Manual

Husqvarna lawn tractor owner's manual
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SERVICE AND ADJUSTMENTS
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.
Reinstall mandrel covers and se cure ly tighten all
screws.
Carefully check belt routing making sure belt is in all
grooves correctly.
Reinstall mower to tractor (See "TO INSTALL MOWER"
in this section of manual).
SEC OND ARY
L.H. MAN DREL
IDLER ARM
R.H. MAN DREL

TO CHECK AND ADJUST BRAKE

(See Fig. 25)
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 clutch/brake pedal all the way down and en-
gage parking brake.
Disengage transmission by placing freewhel control
in "transmission disengaged" position. Pull freewheel
con trol out and into the slot and release so it is held in
the disengaged position.
The rear wheels must lock and skid when you try to manually
push the tractor forward. If the rear wheels rotate, the brake
needs to be adjusted or the pads need to be replaced.
TO ADJUST BRAKE
Depress clutch/brake pedal all the way down and en-
gage parking brake.
Measure distance between brake operating arm and
nut "A" on brake rod.
IDLER
PUL LEY
SPRING
SEC OND ARY
SPRING ARM
CEN TER
MAN DREL
FIG. 24
If distance is other than 1-9/16", loosen jam nut and
turn nut "A" until distance becomes 1-9/16". Retighten
jam nut against nut "A".
Engage transmission by placing freewheel control in
"trans mis sion engaged" position.
Road test tractor for proper stopping distance as stated
above. Readjust if nec es sary. If stopping distance is
still greater than fi ve (5) feet in high est gear, further
main te nance is nec es sary. Replace brake pads or
contact a qualifi ed service center.
WITH PARKING BRAKE "ENGAGED"
DO NOT TOUCH THIS NUT. IF FURTHER BRAKE AD JUST -
MENT IS NECESSARY CONTACT YOUR NEAREST AUTHO-
RIZED SERVICE CENTER/DEPARTMENT

TO REPLACE MOTION DRIVE BELT

(See Fig. 26)
Park the tractor on level surface. En gage parking brake.
For as sis tance, there is a belt installation guide decal on
bottom side of left footrest.
BELT REMOVAL -
Remove mower (See "TO RE MOVE MOWER" in this
section of manual).
NOTE: Observe entire motion drive belt and position of all
belt guides and keepers.
Disconnect clutch wire harness.
Remove clutch locator.
Remove belt from stationary idler and clutching idler.
Remove belt downward from engine pulley and around
electric clutch.
Pull belt slack toward rear of trac tor. Carefully remove
belt up wards from trans mis sion input pulley and over
cooling fan blades.
Remove belt from center span keeper and pull belt
away from tractor.
BELT INSTALLATION -
Carefully work new belt down around transmission
cool ing fan and onto the input pulley.
Slide belt into the center span keeper.
Pull belt toward front of tractor and roll belt around
electric clutch and onto engine pulley.
Install belt through stationary idler and clutch ing idler.
Reinstall clutch locator and tighten nut securely.
Reconnect clutch harness.
Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
23
NUT "A"
1-9/16"
JAM NUT
OPERATING
ARM
01513
FIG. 25

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