Controls - Walinga Grain-Vac 7614F Operator's Manual

4.7 CONTROLS

All controls on the Grain-Vac® are located on the rear of the machine. Review this section carefully
to familiarize yourself with the function and movement of each control before starting.
1 - Airlock Control (fig 4-3)
The left valve controls the operation of the airlock. Pull on the control to operate the airlock in the
forward direction and push to operate in the reverse direction. Stop the airlock by placing the
lever in the centre neutral position.
2 - Boom Lift (Control fig 4-3)
This valve controls the boom position. Pull on the lever to raise the boom and push to lower.
Place in the centre position for no boom movement.
Fig. 4-3 Controls .
Do not operate for long periods of time in the reverse direction. The rotor is not designed to
operate in the reverse direction. Reverse rotation may be used to free jammed object in rotor
only.
IMPORTANT
Do not attempt to raise the boom
while the airlock is in operation.
Airlock control must be in the centre neutral
position for the boom to raise or lower.
7614F Grain-Vac Operator's Manual 34-100853-6 24