Transmission Drive Belt Replacement - Ferris IS600Z Series Operator's Manual

Spring Length
52"
14. Measure the coil-to-coil length (A, Figure 55 & 56) of the
deck belt tensioning spring (B). The measurement should
equal the measurement as indicated in the chart. If not,
continue with step #15.
• 44" Mower Deck
55
• 48" Mower Deck / 52" Mower Deck
56
15. Loosen the jam nut (C) on the eye bolt (D).
16. Turn the adjustment nut (E) until the measurement as
indicated in the chart is achieved.
17. Re-tighten the jam nut.
18. Re-install the mower deck guards and the floor pan.
19. Run the mower under no-load condition for about five (5)
minutes to break in the new belt.

Transmission Drive Belt Replacement

The illustration depicts the transmission drive belt setup as
seen from the top side of the unit and the arrow (A, Figure 57)
indicates the front of the unit.
42
11" (27,9 cm)
57
1. Park the mower on a smooth, level surface such as a
concrete floor. Disengage the PTO, engage the parking
brake, turn off the ignition, and remove the key.
2. Remove the mower belt. See Mower Drive Belt
Replacement for removal instructions.
3. Remove the hardware (B) that secures the clutch anchor
pad (C) to the PTO clutch (D) and disconnect the wire
harness from the PTO clutch.
WARNING
STORED ENERGY DEVICE: Improper release of the belt
tension spring can result in personal injury. Use extreme
caution when removing the spring.
4. Loosen the jam nut (E) on the spring anchor eyebolt (F).
5. Loosen the adjustment nut (G) on the spring anchor
eyebolt to release the majority of the belt tension. Use
caution to remove the nut to completely release the
tension.
6. Remove the old belt and replace with a new one (H).
Make sure the V-side of the belt runs in the grooves of
the adjustable idler pulley (I), front stationary idler pulley
(J), both transmission pulleys (K) and the crankshaft
pulley (L).
7. Reinstall the spring anchor eyebolt into the spring anchor
tab and loosely fasten the adjustment nut.
8. Tighten the nut until the spring achieves a coil-to-coil
measurement of 5" (12.7 cm).
9. Tighten the jam nut.
10. Reinstall the clutch anchor pad to the PTO clutch
and secure using the hardware previously removed.
Reconnect wire harness to the PTO clutch.
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