Stihl RZ 900 Series Instruction Manual - Page 44

Deck Lift Rod Timing Adjustment

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9. Position the set collar 3/8" (0,96 cm) away from the parking brake bracket and tighten. If this does not correct the braking problem, see your authorized STIHL servicing dealer. Deck Lift Rod Timing Adjustment Checking the Deck Lift Rod Timing 1. Park the unit on a flat, level surface. Disengage the PTO, engage the parking brake, turn the ignition switch to OFF. Verify that the tires are inflated to the correct air pressure. 2. To check the inner lift rod (A, Figure 56) timing, measure and record the distance between the inner lift pivots (B) and the inner rod pivots (C). Repeat for the other side of the unit. further adjustment is required. If the measurements are NOT equal (greater than 1/8" (3,17 mm) difference), adjustment is required, continue with Adjusting the Deck Lift Rod Timing. Adjusting the Deck Lift Rod Timing 1. Push the deck lift pedal (A, Figure 58) fully forward with your foot to lock the cutting height in the 5" (12,7 cm) position. Remove the height adjustment pin (B) and lower the mower deck. 58 56 3. To check the outer lift rod timing (A, Figure 57), measure and record the distance between the outer lift pivots (B) and the outer rod pivots (C). Repeat for the other side of the unit. 57 2. To ensure that the deck is in the lowest position push the pedal by hand towards the rear of the unit and install the cutting height adjustment pin in the 3" (7,6 cm) position to hold in place. 3. Block up the mower deck until all hanger chains are slack. 4. To adjust the inner lift rod (A, Figure 59) loosen the jam nut (B) on the front ball joint (C) and then remove the 1/2" hardware (D) fastening the ball joint to the lift pivot arm. Turn the ball joint clockwise to shorten the distance between the rod pivots or counter-clockwise to lengthen the distance between the rod pivots. Install the ball joint on the lift pivot arm and secure with the 1/2" hardware previously removed. Tighten the jam nut against the lift rod. 59 4. If the measurements for the inner rods are equal and the measurements for the outer rods are equal, no 44 stihlusa.com

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44
stihlusa.com
9.
Position the set collar 3/8" (0,96 cm) away from the
parking brake bracket and tighten.
If this does not correct the braking problem, see your
authorized STIHL servicing dealer.
Deck Lift Rod Timing Adjustment
Checking the Deck Lift Rod Timing
1.
Park the unit on a flat, level surface. Disengage the PTO,
engage the parking brake, turn the ignition switch to OFF.
Verify that the tires are inflated to the correct air pressure.
2.
To check the inner lift rod (A, Figure 56) timing, measure
and record the distance between the inner lift pivots (B)
and the inner rod pivots (C). Repeat for the other side of
the unit.
56
3.
To check the outer lift rod timing (A, Figure 57), measure
and record the distance between the outer lift pivots (B)
and the outer rod pivots (C). Repeat for the other side of
the unit.
57
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" (3,17 mm) difference),
adjustment is required, continue with
Adjusting the Deck
Lift Rod Timing
.
Adjusting the Deck Lift Rod Timing
1.
Push the deck lift pedal (A, Figure 58) fully forward with
your foot to lock the cutting height in the 5" (12,7 cm)
position. Remove the height adjustment pin (B) and lower
the mower deck.
58
2.
To ensure that the deck is in the lowest position push the
pedal by hand towards the rear of the unit and install the
cutting height adjustment pin in the 3" (7,6 cm) position to
hold in place.
3.
Block up the mower deck until all hanger chains are
slack.
4.
To adjust the inner lift rod (A, Figure 59) loosen the jam
nut (B) on the front ball joint (C) and then remove the
1/2" hardware (D) fastening the ball joint to the lift pivot
arm. Turn the ball joint
clockwise
to shorten the distance
between the rod pivots or
counter-clockwise
to lengthen
the distance between the rod pivots. Install the ball joint
on the lift pivot arm and secure with the 1/2" hardware
previously removed. Tighten the jam nut against the lift
rod.
59