To Replace Mower Blade Drive Belt - Husqvarna Twin LTH1842TWIN Operator's Manual

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT

(See Fig. 20)
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
MOW ER" in this section of this manual).
• Work belt off both mandrel pulleys and idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Install new belt in reverse order of removal.
• Make sure belt is in all pulley grooves and in side all
belt guides.
• Install mower in reverse order of removal instruc-
tions.
IDLER PULLEYS
MANDREL
PULLEYS
TO CHECK BRAKE
If tractor requires more than five (5) feet to stop at highest
speed in high est gear on a level, dry concrete or paved
surface, then brake must be serviced.
You may also check brake by:
• Park tractor on a level, dry concrete or paved surface,
depress brake pedal all the way down and engage
parking brake.
• 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 or other qualified
service center.
FIG. 20
TO REPLACE MOTION DRIVE BELT(See
FIG. 21)
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 -
1. 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.
2. Disconnect clutch wire harness (A).
3. Remove anti-rotation link (B) on right side of tractor.
4. Remove belt from stationary idler (C) and clutching
idler (D).
5. Remove belt from centerspan idler (E).
6. Pull belt slack toward rear of trac tor. Carefully re-
move belt up wards from trans mis sion input pulley and
over cooling fan blades (F).
7. Remove belt downward from engine pulley and
around electric clutch (G).
8. Slide belt toward rear of tractor, off the steering plate
(H) and remove from tractor.
BELT INSTALLATION -
1. Install new belt from tractor rear to front, over the
steering plate (H) and above clutch brake pedal shaft
(J).
2. Pull belt toward front of tractor and roll belt around
electric clutch and onto engine pulley (G).
3. 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.
4. Install belt on centerspan idler (E).
5. Install belt through stationary idler (C) and clutch ing
idler (D).
6. Reinstall anti-rotation link (B) on right side of tractor.
Tighten securely.
7. Reconnect clutch harness (A).
8. Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
9. Install mower (See "TO IN STALL MOWER" in this
sec tion of manual).
B
A
C
D
E
F
21
G
H
J
02953
electric
FIG. 21