Mower Belt Replacement; 44" & 50" Pto Belt Replacement - Simplicity 300 Series Operator's Manual

Mower Belt Replacement

To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
44" & 50" PTO Belt Replacement
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengage the PTO, turn off the
engine and lock the parking brake. Remove the key.
Remove the mower or place in the lowest cutting
position.
2. Move the idler arm (A, Figure 41) to relieve belt
tension. Drop the belt from the PTO (electric clutch)
pulley.
IMPORTANT: Note the position of all belt guides relative
to the belt and pulleys before loosening.
3. Loosen the nut and lockwasher securing the idler
pulley belt guide (C, Figure 41).
4. See Figure 42. Remove three capscrews securing
left-hand arbor cover (D).
5. Remove the old belt and replace with a new one.
Make sure the belt is seated in the pulley grooves.
6. See Figure 41. Position the idler pulley belt stop (C)
in its original position so that there is a 1/8" (3mm)
gap between the pulley and belt stop.
7. See Figure 42. Reinstall the left-hand arbor cover
(D). Reinstall the mower deck if removed.
8. Run the mower under a no-load condition for about 5
minutes.
Troubleshooting, Adjustment, & Service
B
Figure 41. Mower Belt Routing
A. Idler Pulley Arm
B. PTO Clutch Pulley
B
C
Figure 42. Mower Deck - 44" & 50" Mowers
A. Capscrew
B. Right-hand Arbor Cover
C. Spring
D. Left-hand Arbor Cover
39
1/8" Gap
C
FRONT
C. Belt Guide (44" & 50")
D. Arbor Drive Pulley
A
A
D
D