Ferris IS5100ZC33D72RD - Mower Deck Drive Belt Replacement S;N: 2016528079 & below; Belt Removal & Replacement

Not for
Reproduction
46
www.ferrisindustries.com
Troubleshooting, Adjustment & Repair
www.ferrismowers.com
Figure 47. Lower the Mower Deck
A. Height Adjustment Pin
A
Figure 48. Mower PTO Belt
A. Spring-loaded Idler Pulley
B. Idler Spring
C. Stationary Idler Pulley
B
A
C
A
B
C
61” Side Discharge Model
72” Side Discharge Model
Mower Deck Drive Belt Replacement S/N:
2016528079 & Below
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
1. Park the tractor on a smooth, level surface such as
a concrete floor. Disengage the PTO, engage the
parking brake, turn off the engine, and remove the
ignition key.
2. Remove the height adjustment pin (A, Figure 47)
and lower deck.
3. Loosen the 5/16” bolts securing the mower deck
guards and remove the guards.
WARNING
Use extreme caution when rotating the idler
pulley with the wrench or breaker bar, due to
the increased tension in the spring as the idler
pulley is being rotated. Injury may result if the
wrench is prematurely released while the spring
is under tension.
4. 61” Side Discharge: Using a breaker bar rotate
the spring-loaded idler pulley (A, Figure 48)
counter-clockwise to release the belt tension.
4a. 72” Side Discharge: Using a 3/4” combination
wrench, rotate the spring-loaded idler pulley (A,
Figure 48) clockwise to release the belt tension.
5. Slide the drive belt over the edge of the stationary
idler pulley (C) and carefully release the tension on
the wrench until the spring tension is completely
released.
6. Remove the old belt and replace with a new one.
7. Install the drive belt on the gearbox pulley, the
spindle pulleys and idler pulleys.
8. 61” Side Discharge: Rotate the spring-loaded
idler pulley (A, Figure 48) counter-clockwise and
slide the drive belt over the edge of the stationary
idler pulley (C). Make sure the V-side of the belt
runs in the pulley grooves (Figure 49). Carefull
release the tension on the breaker bar.
8. 72” Side Discharge: Rotate the spring-loaded
idler pulley (A, Figure 48) clockwise and slide
the drive belt over the edge of the stationary
idler pulley (C). Make sure the V-side of the belt
runs in the pulley grooves (Figure 49). Carefully
release the tension on the wrench.
9. Reinstall the mower deck guards and tighten the
5/16” hardware to secure in place.
10. Run the mower under no-load condition for