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8
Figure 7
1. Ignition switch
2. Choke
3. Throttle
4. Spray wash control
5. Hour meter
6. Water pressure gauge
7. Circuit breaker reset
button
8. Spacing control lever
Choke
To start the engine, close the carburetor choke by pulling
the choke control (Fig. 7) outward to the FULL position.
After the engine starts, regulate the choke to keep the
engine running smoothly. As soon as possible, open the
choke by pushing it inward to the OFF position.
Throttle
The throttle (Fig. 7) is used to regulate the engine speed.
Moving the throttle forward increases the engine speed
(FAST); rearward decreases the engine speed (SLOW).
Spray Wash Control
Pull the handle (Fig. 7) upward to activate the roller spray
wash system. Move the control knob up or down to adjust
the spray rate to keep the rollers free of debris.
Hour Meter
The hour meter (Fig. 7) registers accumulated hours of
engine operation. Use the hour meter to determine intervals
for service maintenance and lubrication.
Water Pressure Gauge
The water pressure gauge (Fig. 7) registers supply water
pressure in the system. It also acts as an interlock switch,
preventing the water pump from starting if the water
pressure is below 20–28 p.s.i., or stopping the water pump
if the water pressure drops below 7–13 p.s.i. Check the
gauge frequently to monitor the water pressure.
Circuit Breaker Reset Button
Push the button (Fig. 7) to reset the breaker after correcting
a malfunction in the electrical system. The button also
serves as a switch to interrupt power to the relays.
Spacing Control Lever
Moving the control (Fig. 7) away from the handle increases
the aerating ground speed and the distance between holes.
Moving the control toward the handle decreases the
aerating ground speed and the distance between holes. The
setting will be overridden when the machine is shifted to
the transport position.
Traction Bail
The traction bail (Fig. 8) engages and regulates fore and aft
traction operation of the machine. Releasing the bail stops
traction operation and will also stop water injection in 3 to
4 seconds, unless the bail is engaged. The transport speed is
regulated by the amount the bail is moved.
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4
5
Figure 8
1. Traction bail
2. Transport/aerate toggle
switch
3. Aeration engagement
button
4. Aeration stop button
5. Parking brake
Transport/Aerate Toggle Switch
The switch (Fig. 8) lowers machine onto the rollers to
commence aeration. The switch will override the spacing
control setting when it is moved to the transport position.
Aeration Engagement Button
Depressing the button (Fig. 8), starts the water injection
system only when the water pressure is above 28 p.s.i. and
the rollers are on the ground.
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