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.
20
Summary of Contents for PIONEER PNS20KA443
Page 1: ...PIONEER S SERIES For Serial Nos 920 000 Higher Part No 4500 898 Rev A ...
Page 45: ...Schematics Schematics Electrical Diagram 45 ...
Page 46: ...Schematics Electrical Logic Schematic 46 ...
Page 48: ...Notes 48 ...
Page 49: ...Service Record Date Description of Work Done Service Done By 49 ...
Page 50: ...50 ...
