Check & Adjust The Deck Lift Rod Timing - Ferris IS3100Z Series Manual

Check & Adjust the
Deck Lift Rod Timing
1. Park machine on a flat, level surface and engage the
parking brake. Rear tires must be inflated to 15 psi
(1,03 bar); front tires to 25 psi (1,72 bar).
2. To check the inner lift rod timing, measure and
record the distance between the inner lift pivots and
the inner rod pivots. Repeat for other side of unit.
See Figure 15.
3. To check the outer lift rod timing, measure and
record the distance between the outer lift pivots and
the outer rod pivots. Repeat for other side of unit.
See Figure 15.
4. If the measurements for the inner rods are equal,
and the measurements for the outer rods are equal,
no further adjustment is required. If the
measurements are NOT equal (greater than 1/8"
(3,17mm) difference), adjustment is required,
continue with Step 5.
5. Lock the deck lift pedal in the 5" (12,7cm) position.
Remove the cutting height adjustment pin and lower
the mower deck.
6. To ensure that the deck is in the lowest position,
push the pedal by hand towards the rear of the unit
and install the height adjustment pin in the 3"
(7.6cm) position to hold in place. See Figure 16.
7. Block up the mower deck until all hanger chains are
slack.
8. Refer to Figure 17. To adjust the inner lift rod, adjust
the 5/8" hex nuts on either side of the front lift pivot
until the measurements are equal. Repeat for other
side.
9. Refer to Figure 17. To adjust the outer lift rod,
remove the coil pins securing the outer lift rod to the
lift levers. remove the outer lift rod from the unit and
add or remove 5/8" SAE washers from in between
the deck lift rod and the lift link until measurements
are equal. Reinstall the coil pins and washer (on
front lift lever). Repeat for other side.
10. Remove blocks from under the mower deck.
11. Lift mower deck and reinstall adjustment pin in
desired mowing height.
IS3100Z Series - 4 Wheel IS - 61" & 72" Mower Deck
Inner Rod
Figure 15. Measure the Inner & Outer Lift Rods
Figure 16. Deck Lift Pedal & Pin Position
Inner Rod
Adjust Here
Figure 17. Adjust the Inner & Outer Lift Rods
11
Add / Remove
5/8" SAE Washers
Adjust Here
Outer Rod
Outer Rod