Poulan Pro PPH23B48 LAWN TRACTOR - Manuel (Page 22)

22
SERVICE AND ADJUSTMENTS
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:
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.
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 33)
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 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.
• Raise attachment lift lever to highest position.
Fig. 33
V
M
R
R
TO REPLACE MOTION DRIVE BELT
(See Fig. 34)
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. 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 remove
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 steer-
ing 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 INSTALL MOWER” section in
this manual).