Poulan Pro PB20VA48 Operator's Manual page 23

SERVICE AND ADJUSTMENTS
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 38)
MOWER DRIVE BELT REMOVAL
• Park tractor on a level surface. En gage parking brake.
• Lower attachment lift to its lowest position.
• Disengage belt tension rod (K) from lock bracket (L).
CAUTION: Belt tension rod is spring
loaded. Have a firm grip on rod and
release slowly.
• Remove screws (P) from mandrel covers (Q) and
remove covers.
• Remove any dirt or grass clippings which may have accu-
mulated around mandrels and entire upper deck surface.
• Remove belt from electric clutch pulley (M), both man-
drel pulleys (R) and all idler pulleys (V).
MOWER DRIVE BELT INSTALLATION
• Install belt around all mandrel pulleys (R) and around
idler pulleys (V) as shown.
• Install belt onto electric clutch pulley (M).
IMPORTANT: Check belt for proper routing in all mower
pulley grooves.
• Reassemble mandrel covers (Q). Securely tighten all
screws.
• Engage belt tension rod (K) on locking bracket (L).
CAUTION: Belt tension rod is spring
loaded. Have a tight grip on rod and
engage slowly.
• Raise attachment lift to highest position.
P
L
K
V
R
Q
P
M
R
R
Fig. 38
TO REPLACE MOTION DRIVE BELT
(See Fig. 39)
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 REMOVE MOWER" section
in this manual.)
NOTE: Observe entire motion drive belt and position of all
belt guides and keepers.
2. Remove belt from stationary idler (A) and clutching
idler (B).
3. Remove belt from centerspan idler (C).
4. Pull belt slack toward rear of trac tor. Remove belt
up wards from trans axle input pulley (D).
5. Remove belt downward from engine pulley (E).
6. Slide belt toward rear of tractor, off the steering plate
(F) and remove from tractor.
BELT INSTALLATION -
1. Install new belt from tractor rear to front, over the steer-
ing plate (F) and above clutch brake pedal shaft (G).
2. Pull belt toward front of tractor and roll belt onto engine
pulley (E).
3. Pull belt toward rear of tractor. Carefully work belt down
around transaxle input pulley (D). Be sure belt is inside
the belt keeper.
4. Install belt on centerspan idler (C).
5. Install belt through stationary idler (A) and clutch ing
idler (B).
6. Make sure belt is in all pulley grooves and in side all
belt guides and keep ers.
7. Install mower. (See "TO INSTALL MOWER" section in
this manual.)
Q
A
23
E
B
G
D
Fig. 39
F
C