Exmark 4500-507 manual Maintenance, Raise the discharge deflector

Maintenance

Figure 25

1. Foot lever 3. Transport lock

2.Cut of height pin

6.Insert the height adjustment pin into the 3 inch (7.6 cm) cutting height location.

7.Release the transport lock and allow the deck to lower to the cutting height.

8.Raise the discharge deflector.

9.On both sides of the deck, measure from the level surface to the front tip of the blade. The measurement should read 3 inches (7.6 mm).

Note: In most conditions, the back blade tip should be adjusted 1/4 inch (6.4 mm) higher than the front.

Figure 26

1.	3 1/4 inches (8.3 cm)	5.	Level surface
2.	Back blade tip	6.	Rear of machine
3.	Front blade tip	7.	Front of machine

4.3 inches (7.6 cm)

10.Loosen the jam nuts on the top of each deck link. Fine tune the adjuster on the front deck lift assembly by turning it to get 3 inch (7.6 mm) height (see Figure 27).

To increase the height, turn the adjuster clockwise; to decrease, turn counterclockwise.

		Figure 27
1.	Adjuster link	3. Adjuster
2.	Jam nut

11.The back tip of the blade should measure 3 1/4 inches (8.3 cm). Fine tune rear adjusters as required.

12.Re-measure until all four sides are the correct height. Tighten all the jam nuts on the deck lift arm assemblies.

13.Lower discharge deflector.

14.If the four deck links do not have enough adjustment to achieve accurate cut height with the desired rake, the single point adjustment can be utilized to gain more adjustment (see Figure 28).

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