Exmark PNS22KA483, PNS20KA443, PNS24KA523 manual Drive Wheel Release Valves, PTO Engagement Switch

Operation

The fuel shut-off valve is used to shut off the fuel when the machine will not be used for a few days, during transport to and from the jobsite, and when parked inside a building.

Align valve handle with the fuel line to open. Rotate 90° to close.

Drive Wheel Release Valves

WARNING

Hands may become entangled in the rotating drive components below the engine deck, which could result in serious injury or death.

Stop engine, remove key, allow all the moving parts to stop before accessing the drive wheel release valves.

WARNING

The engine and hydraulic drive units can become very hot. Touching a hot engine or hydraulic drive units can cause severe burns.

Allow the engine and hydraulic drive units to cool completely before accessing the drive wheel release valves.

Located on the back of the unitized hydraulic drive units, below the engine deck.

During normal operating conditions, the drive wheel release valves are positioned horizontally. If the machine has to be pushed by hand, the valves must be in the “released” position (see Figure 9).

During normal operating conditions, the drive wheel release valves are positioned horizontally. If the machine has to be pushed by hand, the valves must be in the “released” position (see Figure 9).

Figure 9

1.Front of the machine

2.Rotate bypass release knob counterclockwise to loosen

3.Lever position for operating the machine

4.Pull lever in this direction to push the machine

5.Lever position for pushing the machine

6.Rotate bypass release knob clockwise to tighten

7.Release lever

To release the drive system (see item 1 in Figure 9), loosen the knob by turning counterclockwise. Then pull the release lever on the underside of machine towards the back of the machine and retighten the knob to hold the release lever back in the released state. Repeat this on each side of the machine.

Release the parking brake. The machine is now able to be pushed by hand.

To reset the drive system (see item 2 in Figure 9), loosen the knob by turning counterclockwise. Then push the release lever on the underside of machine towards the front of the machine and retighten the knob to hold the release lever in the operating state. Repeat this on each side of the machine.

Do Not tow machine.

PTO Engagement Switch

Located on right console (see Figure 6).

Switch must be pulled out (up) to engage the blades. Switch is pushed in to disengage the blades.

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