Smithco Spray Star 3184 (sn 300G073 – 300G090) Operator Manual - Manual (Page 11)

9
Operation
CONTROLS & INSTRUMENTS
R. Ground Speed (Cruise) Control Foot Switch - When rocker switch is turned on and desired speed is
obtained, push foot speed control switch to set cruise. (see below).
S. Master Boom Switch - located on the left floorboard is used to override the master switch on the com-
puter console of the spray systems. By pushing down it will turn on/off the booms. For the 440 System
the Master Switch on the computer must be off for the master boom control switch to work.
T. Reverse / Accelerator Pedal - This pedal controls ground speed. Press pedal to increase speed. Varying
the amount of movement of the pedal will vary the ground speed. To activate Reverse, you lift up on the
pedal with you toe.
When pedals are released the hydrostatic transmission centers and stops the vehicle with a braking
action.
GROUND SPEED CONTROL
The ground speed control does not work
the same as an automotive type cruise.
The ground speed control is located on
the center floorboard and is used to lock
forward speed.
TO ENGAGE:
1. Flip rocker switch ‘On’ (green light).
2. Obtain desired speed with foot
pedal.
3. Step on foot switch to lock speed.
4. Push foot switch again to disen-
gage.
To avoid abrupt stop, place foot on traction pedal before disengaging speed control.
TOWING
When it is necessary to move the Spray Star 3180 without the engine running, there are 2 things that need to be
done. First, the bypass valve built into hydrostatic pump must be "open" by turning it
1 /
4
turn to open. The valve
is located on the back side of the pump. An "open" valve allows fluid to pass through the wheels freely. When
normal driven operation is desired, valve should be "closed" by turning it clockwise. Failure to "close" the valve
with engine running means no power to wheels. Secondly, the hand brake needs to be manually released. The
hand brake is located under the engine. To manually release the brake you must loosen the locknut and screw
in the stem to the bottom. Tighten the lock nut and pump handle until hard.
MANUAL BRAKE HAND PUMP MANIFOLD
The hand brake is located under the engine. The hand brake is connected to he seat switch and automatically
engages when operator gets up from the seat. So when machine is not being driven, the machine is locked
down. If engine is not running or you are towing the machine you will
have to manually release the brake. To manually release the brake
you must loosen the locknut and screw in the stem to the bottom.
Tighten the lock nut and pump handle until hard.
Run machine at half-throttle minimum, prior to operat-
ing tration pedal. This will ensure proper brake release.