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Installation
GB
IS2000Z Series (52” Model):
1. Using a 1/2” breaker bar, place the square end in
the square hole located in the end of the idler arm
(A, Figures 18). Carefully rotate the breaker bar
counter-clockwise, which will relieve the tension
on the belt exerted from the idler arm.
2. Slide the drive belt over the edge of the stationary
idler pulley (B). Carefully release the tension on
the breaker bar. Remove the belt from the right-
hand (discharge side) spindle pulley.
Mower Deck Preparation
IS1000Z Series (52” Model):
1. Loosen the spring compression nut (B, Figure 17)
to release the belt tension.
2. Slide the drive belt over the edge of the idler
pulley and then remove the belt from the right-
hand (discharge side) spindle pulley.
A
Figure 17. Mower PTO Belt
A. Belt Tension Spring
B. Spring Compression Nut
B
Figure 18. Mower PTO Belt
A. Idler Arm
B. Stationary Idler Pulley
A
B
Figure 19. Mower PTO Belt
A. Idler Arm
B. Stationary Idler Pulley
1000Z Series (61” Model), IS2000Z Series (61”
Model), IS3000Z Series & IS3100Z Series, S150X
Series:
1. Using a 1/2” breaker bar, place the square end in
the square hole located in the end of the idler arm
(A, Figures 19). Carefully rotate the breaker bar
counter-clockwise, which will relieve the tension
on the belt exerted from the idler arm.
2. Slide the drive belt over the edge of the stationary
idler pulley (B). Carefully release the tension on
the breaker bar. Remove the belt from the right-
hand (discharge side) spindle pulley.
A
B