Rear Suspension Adjustment - Ferris IS700Z series Operator's Manual

58
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 deck drive 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. Loosen the 3/8" nylock flange nut (A, Figure 59) that secures
the pulley support plate (B) to the front stationary pulley
stack-up (C).
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59
7. Remove the two (2) 5/16" bolts (D), 5/16" flat washers (E),
and 5/16" nylock flange nuts (F) that secure the pulley
support plate to the hydraulic tank mount plate (G). Rotate
the pulley support plate away from the hydraulic tank mount
so that the belt can be removed from the machine.
8. Remove the old belt and replace with a new one (H, Figure
58). 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).
9. Rotate the pulley support plate (B, Figure 59) back into
position and secure to the hydraulic tank mount plate (G)
using the two (2) 5/16" bolts (D), 5/16" flat washers (E), and
5/16" nylock flange nuts (F).
10. Re-tighten the 3/8" nylock flange nut (A) that secures the
pulley support plate (B) to the front stationary pulley stack-up
(C).
11. Reinstall the spring anchor eyebolt (F, Figure 58) into the
spring anchor tab and loosely fasten the adjustment nut.
12. Tighten the nut until the spring achieves a coil-to-coil
measurement of 5" (12,7 cm) (M).
13. Tighten the jam nut (E).
14. Reinstall the clutch anchor pad (C) to the PTO clutch (D)
and secure using the hardware (B) previously removed.
Reconnect wire harness to the PTO clutch.
15. Reinstall the mower deck drive belt. See Mower Drive Belt
Replacement for instructions.

Rear Suspension Adjustment

The shock assembly can be adjusted in two ways to allow the
operator to customize the ride according to operator's weight
and/or operating conditions. You have the option of adjusting
the spring pre-load and/or the upper mounting position.
Items to consider before adjusting the suspension.
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