Husqvarna YTH180 Lawn Mower User Manual


 
22
SERVICE AND ADJUSTMENTS
TO REPLACE MOTION DRIVE BELT
(See Fig. 31)
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.)
Disconnect clutch wire harness.
Remove clutch locator.
Remove upper belt keeper.
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 downwards
from around electric clutch.
Install new belt by reversing above procedure.
IMPORTANT: MAKE SURE UPPER BELT KEEPER IS
POSITIONED PROPERLY BETWEEN LOCATOR TABS
AND ELECTRIC CLUTCH WIRE CONNECTION IS
SECURE.
TO ADJUST MOTION CONTROL LEVER
(See Fig. 32)
The motion control lever has been preset at the factory and
adjustment should not be necessary.
If for any reason the motion control lever will not hold its
position while at a selected speed, it may be adjusted at the
friction pack located on the right side of transmission.
Park tractor on level surface. Stop tractor by turning
ignition key to “OFF” position, and engage parking
brake.
Adjust motion control lever by tightening adjustment
locknut one half (1/2) turn.
NOTE: If for any reason the effort to move the motion
control lever becomes too excessive, reverse the above
adjustment procedure by loosening locknut 1/4 to 1/2 turn.
Road test tractor after adjustment and repeat procedure if
necessary.
FIG. 31
STATIONARY
IDLER
CLUTCH
WIRE
HARNESS
CLUTCHING
IDLER
LOCATOR
TABS
CLUTCH LOCATOR
ELECTRIC CLUTCH
UPPER BELT
KEEPER
TRANSMISSION
INPUT PULLEY
FIG. 32
ADJUSTMENT
LOCKNUT
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or
replacement, it should be purged after reinstallation before
operating the tractor. See “PURGE TRANSMISSION” in
Operation section of this manual.