Briggs & Stratton 5900640 manual Deck Leveling Adjustment, Check Lift Rod Timing

Models: 5900640

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Troubleshooting, Adjustment & Service

DECK LEVELING ADJUSTMENT

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 15 psi (1,03 bar); front tires to 40 psi (2,76 bar).

2.To check the lift rod timing, measure and record the distance between the lift pivots and the rod pivots. Repeat for other side of unit. See Figure 32.

3.If the measurements are equal, skip to Step 5. If the measurements are NOT equal (greater than 1/8” (3,17mm) difference), adjustment is required, continue with Step 4.

4.Refer to Figure 33. To adjust the lift rod timing, adjust the 5/8” hex nuts on either side of the front lift pivot until the measurements are equal. Repeat for other side.

5.Place the deck height adjustment pin in the 4" (10,2 cm) position.

6.Place 2 x 4 blocks under each corner of the mower deck with the 3-1/2” sides being vertical. Place a 1/4” (0,64 cm) thick spacer on top of the rear 2 x 4 blocks. See Figure 34.

7.Adjust the front eyebolts until the chains are tight and the deck is still resting on the 2 x 4’s. Tighten jam nuts. See Figure 35.

8.Loosen the nuts and allow the rear of the deck to rest on the 2 x 4’s and 1/4” spacers. Slide the chains in the slots until the chains are tight and tighten the nuts. See Figure 35.

9.Remove all 2 x 4 blocks and spacers from under the mower deck.

Figure 32. Check Lift Rod Timing

Figure 33. Adjust Lift Rod Timing

Figure 34.

2 x 4 Locations

Troubleshooting

Figure 35. Hanger Chain Adjustment

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Briggs & Stratton 5900640 manual Deck Leveling Adjustment, Check Lift Rod Timing