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Introduction
CONTROLS & INSTRUMENTS
A. Oil Light: The oil light should come on when the ignition is on, without the engine running and should go out
when the engine is running. The oil light will light when the oil pressure is low. If it does come on, shut off the
engine and find the cause immediately.
B. Circuit Breaker: The circuit breaker is a resetable fuse. To reset push down.
C. Hour/Volt Meter: The hour meter indicates the hours of machine operation. The hour meter operates when the
ignition switch is on. The volt meter indicates battery voltage. When starting, the battery voltage should not drop
below 9 volts. With key on, engine running, the voltage should be 12 volts. With engine running at 3600 rpm the
voltage should read about 14 volts.
D. Speedometer (optional): The speedometer indicates ground speed of vehicle in miles per hour and kilometer
per hour.
E. Ignition Switch: The ignition switch has three positions: Off-Run-Start.
F. High Speed Light: When green light is on it indicates machine is in high gear.
G. Tilt Steering: Hold lever down and adjust steering wheel to desired position.
H. Low Speed Light: When green light is on it indicates machine is in low gear.
K. Accelerator Pedal: Located on the right side of floor board. This pedal controls ground speed. Press pedal to
increase engine RPM, varying the amount of movement of the pedal will vary the ground speed.
L. Reverse Pedal: Located on the outside right floorboard. This pedal controls ground speed in the reverse
direction.
M. Master Boom Switch: The master boom switch
is located on the left floorboard is used to
override the master switch on the computer
console of the spray systems. By pushing down
it will turn on/off the booms. For 844 Systems the
Master Switch on the computer must be on for
the master boom control switch to work. For the
440 System the Master Switch on the computer
must be off for the master boom control switch
to work.
N. Speed Switch: Come to a complete stop, press to change gears. Lights on dashboard indicate which gear
the machine is running in.
When accelerator pedal and reverse pedal are released the hydrostatic transmission centers and stops
the vehicle with a braking action.