Ariens 991087 Lawn Mower User Manual


 
EN - 27
PTO BELT
PTO Belt Access
1. Properly stop and park unit (See
Operation on page 14).
2. Lower the mower.
3. Place seat in most rearward position.
4. Remove belt covers.
5. Place foot board in open position
(Figure 16).
Replacing Mower Belts
NOTE: Long mower belt must be removed to
remove short mower belt.
1. Slowly release the tension on the long
mower belt idler until all the tension is
removed from the springs.
2. Remove long mower belt from left blade
spindle and remove from deck.
3. Slowly release the tension on the short
belt idler until all the tension is removed
from the springs.
4. Remove short mower belt from right
blade spindle and from deck. Idler pivot
bolt must be loosened slightly to gain
clearance to remove belt from under
idler pulley (Figure 16).
5. Arrange new mower belt(s) on deck
(short belt first). Retighten short mower
belt idler pivot bolt. Install belts on
sheaves. Put belts onto center sheave
last.
NOTE: The PTO idler spring length range is
12.25 – 12.5" (31 – 31.8 cm) measured at a
3" (7.62 cm) cutting height. Adjust the idler
spring length as needed, see Figure 17.
6. Replace belt covers and return foot
board to closed position.
WARNING: MOVING PARTS can
cut or amputate body parts.
ALWAYS wait for moving parts to
stop before performing
maintenance or service.
CAUTION: DAMAGED OR
WORN BELTS may result in
injury and/or damage to unit.
Check belts for excessive wear or
cracks often.
Figure 15
1. Parking Brake Cable
2. Adjuster
3. Nuts
1
2
3
CAUTION: Use care when
releasing idler spring tension.
Keep body parts well away from
idlers when performing this
operation.
3
1. Footboard in open position
2. Support Frame
3. Pivot
Figure 16
1
2