Husqvarna YTH20K46 Lawn Mower User Manual


 
21
SERVICE AND ADJUSTMENTS
TO REPLACE MOTION DRIVE BELT
(See Fig. 27)
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 (A).
Remove anti-rotation link (B) on right side of tractor.
Remove belt from stationary idler (C) and clutching
idler (D).
Remove belt from centerspan idler (E).
TO REPLACE MOWER DRIVE BELT
(See Fig. 26)
MOWER DRIVE BELT REMOVAL
Park tractor on a level surface. En gage parking
brake.
Lower attachment lift lever to its lowest position.
Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
Remove belt from electric clutch pulley (M), both mandrel
pulleys (R) and all idler pulleys (S).
MOWER DRIVE BELT INSTALLATION
Install belt around all mandrel pulleys (R) and around
idler pulleys (S) as shown.
Install belt onto electric clutch pulley (M).
IMPORTANT: Check belt for proper routing in all mower
pulley grooves.
Raise attachment lift lever to highest position.
FIG. 26
R
R
S
M
Pull belt slack toward rear of trac tor. Carefully remove
belt up wards from trans mis sion input pulley and over
cooling fan blades (F).
Remove belt downward from engine pulley and around
electric clutch (G).
Slide belt toward rear of tractor, off the steering plate
(H) and remove from tractor.
BELT INSTALLATION -
Install new belt from tractor rear to front, over the steer-
ing plate (H) and above clutch brake pedal shaft (J).
Pull belt toward front of tractor and roll belt around
electric clutch and onto engine pulley (G).
Pull belt toward rear of tractor. Carefully work belt down
around transmission cooling fan and onto the input
pulley (F). Be sure belt is inside the belt keeper.
Install belt on centerspan idler (E).
Install belt through stationary idler (C) and clutch ing
idler (D).
Reinstall anti-rotation link (B) on right side of tractor.
Tighten securely.
Reconnect clutch harness (A).
Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
Install mower (See “TO IN STALL MOWER” in this
sec tion of manual).
electric
02953
A
B
C
D
E
F
G
H
J
FIG. 27