37
Maintenance
Deck Rod Timing Adjustment - 72”
Models
1. Park the machine on a flat, level surface.
Disengage the PTO, engage the parking brake,
turn off the engine, and remove the ignition key.
Rear tires must be inflated to 15 psi (1,03 bar).
2. To check lift rod timing measure and record the
distance between the lift pivots and the rod pivots.
Repeat for other side of the unit. See Figure 39.
3. If the measurements for the rods are equal, no
further adjustment is required. If measurements
are not equal (greater than 1/8” (3,17 mm)
difference) adjustment is required, continue with
step #4.
4. Lock the deck lift pedal in the 6” (15,2 cm) position.
Remove the cutting height adjustment pin and
lower the mower deck.
5. 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” (7,6
cm) position to hold in place.
6. Block up the mower deck until all hanger chains are
slack. Refer to Figure 40.
7. See Figure 41. To adjust the lift rod, loosen the
jam nut on the front clevis then remove the 1/2”
clevis pin fastening the clevis to the lift pivot arm.
Turn the clevis clockwise to shorten the distance
between the rod pivots or counter-clockwise
to lengthen the distance between the rod pivots.
Reinstall the clevis on the lift pivot arm and secure
with the 1/2” clevis pin previously removed. Tighten
the jam nut against the clevis.
8. Remove the blocks from under the mower deck.
9. Remove the cutting height adjustment pin from in
front of the deck lift pedal arm. Lift mower deck
and reinstall adjustment pin in desired mowing
height.
Figure 39. Check Lift Rod Timing
Figure 40. 2 x 4 Locations
Figure 41. Adjust Lift Rod Timing
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