30
Troubleshooting, Adjustment, & Service
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
44” & 50” PTO Belt Replacement
NOTE: Be sure to use only genuine Simplicity replace-
ment parts. Check the back of this manual or the decal
under the hood for common replacement part numbers.
NOTE: It is not necessary to remove the mower to install
a new belt. However, for easier access mower can be
removed. See Mower Removal in the Operation section.
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.
2. If mower is not removed, place the mower in the low-
est cutting position.
3. Push the idler arm (A, Figure 44) away from you to
relieve belt tension. Drop the belt from the PTO (elec-
tric clutch) pulley.
IMPORTANT: Note the position of all belt guides relative
to the belt and pulleys before loosening.
4. Loosen the nut and lockwasher securing idler pulley
belt guide (C, Figure 44).
5. See Figure 45. Remove three capscrews securing
left-hand arbor cover (D).
5. Remove the old belt and replace with a new one.
Make sure the V-side of belt runs in the pulley
grooves.
7. See Figure 44. Position the idler pulley belt stop (C)
in its original position so that there is a 1/8" gap
between the pulley and belt stop.
8. See Figure 45. Reinstall the left-hand arbor cover
(D).
9. Install mower on tractor if it was removed. See
Operation section, Mower Installation. Install belt to
PTO pulley.
10. Run the mower under no-load condition for about 5
minutes.
Figure 45. Mower Deck - 44" & 50”
A. Upstop
B. Right-hand Arbor Cover
C. Spring
D. Left-hand Arbor Cover
E. Capscrew
Figure 44. Mower Belt Routing - 44" & 50” Mower Deck
A. Idler Pulley Arm
C. Idler Pulley Belt Guide
B. PTO Clutch Pulley
D. Arbor Drive Pulley
1/8” Gap
FRONT
A
D
A
D
E
C
B
B
C
