To Replace Mower Blade Drive Belt; To Check Brake; To Replace Motion Drive Belt; Belt Removal/Installation - Husqvarna LTH18538 Owner's Manual

SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig.
33)
The mower blade drive belt may be replaced without tools.
Park the tractor on level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See "TO REMOVE
MOWER" in this section of manual).
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Work belt around both mandrel pulleys and idler pulleys.
• Make sure belt is in all pulley grooves and inside all
belt guides.
• Install mower (See "TO INSTALL MOWER" in this
section of manual).
MANDREL IDLER
PULLEY PULLEYS
PULLEY
03043
FiG. 33
TO CHECK BRAKE
If tractor requires more than five (5) feet to stop at highest
speed in highest gear on a level, dry concrete or paved
surface, then brake must be serviced.
You may also check brake by:
1. Park tractor on a level, dry concrete or paved surface,
depress brake pedal all the way down and engage
parking brake.
2. Disengage transmission by placing freewheel control
in "transmission disengaged" position. Pull freewheel
control 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, then the
brake needs to be serviced. Contact a qualified service center.
22
TO REPLACE MOTION DRIVE BELT
(See Fig. 34)
Park the tractor on level surface. Engage parking brake.
For assistance, there is a belt installation guide decal on
bottom side of left footrest.
BELT REMOVAL -
• Remove mower (See "TO REMOVE MOWER" section
in this manual).
NOTE: Observe entire motion drive belt and position of all
belt guides and keepers.
• Remove belt from stationary idler (A) and clutching
idler (B).
• Remove belt from centerspan idler (C).
• Pull belt slack toward rear of tractor. Carefully remove
belt upwards from transmission input pulley and over
cooling fan blades (D).
• Remove belt downward from engine pulley (E).
• Slide belt toward rear of tractor, off the steering plate
(F) and remove from tractor.
BELT INSTALLATION -
• Install new belt from tractor rear to front, over the steer-
ing plate (F) and above clutch brake pedal shaft (G).
• Pull belt toward front of tractor and roll belt onto engine
pulley (E).
• Pull belt toward rear oftractor. Carefully work belt down
around transmission cooling fan and onto the input
pulley (D). Be sure belt is inside the belt keeper.
• Install belt on centerspan idler (C).
• Install belt through stationary idler (A) and clutching
idler (B).
• Make sure belt is in all pulley grooves and inside all
belt guides and keepers.
• Install mower (See "TO INSTALL MOWER" section in
this manual).
Fig. 34