Troubleshooting, Adjustment & Service

DECK LIFT ROD TIMING

ADJUSTMENT

Inner Rod

1. Park machine on a flat, level surface. Disengage the PTO, stop the engine and engage the parking

brake. Rear tires must be inflated to 18 psi (1,24 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 37.

Measure

2nd

1st

Measure

2nd

1st

Troubleshooting

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 37.

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.

7.Block up the mower deck until all hanger chains are slack.

8.Refer to Figure 39. To adjust the inner lift rod, loosen the jam nut on the front ball joint then remove the 1/2” hardware fastening the ball joint the the lift pivot arm. Turn the ball joint clockwise to shorten the distance between the rod pivots or counterclockwise to lengthen the distance between the rod pivots. Reinstall 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.

9.Refer to Figure 39. To adjust the inner lift rod, loosen the jam nut on the front ball joint then remove the 1/2” hardware fastening the ball joint the the lift pivot arm. Turn the ball joint clockwise to shorten the distance between the rod pivots or counterclockwise to lengthen the distance between the rod pivots. Reinstall 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.

10.Remove blocks from under the mower deck.

11.Remove the 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.

Outer Rod

Figure 37. Measure the Inner & Outer Lift Rods

Figure 38. Deck Lift Pedal & Pin Position

Inner Rod

Adjust Here

Adjust Here

Outer Rod

Figure 39. Adjust the Inner & Outer Lift Rods

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Briggs & Stratton 5900670, 5901170, 5900625, 5900629, 5900624 manual Deck Lift ROD Timing Adjustment, Inner Rod, Outer Rod