Controls; Fig. 4-5 Controls - Walinga AGRI-VAC 5614 Operator's Manual And Parts Book

4.7 CONTROLS

All controls on the Agri-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.
Boom Lift (Control #2 fig 4-5):
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. 4-5 Controls .

Boom Rotation (Control #3 fig. 4-5) : (For units equipped with Hydraulic Boom Rotation)
This spring-loaded-to-neutral-centre lever controls the direction of the boom rotation. Push on
the lever and hold to swing the boom to the right. (clockwise) Release to return to centre
position to stop rotation. Pull and hold to swing to the left. (counter-clockwise)
H S
YDRAULIC YSTEM
(For units using tractor powered hydraulics.)
(Control #1 fig 4-5) The machine can be used with either an open-centre or closed-centre
hydraulic system. Open the matching valve when using with an open-centre system. Close
for the closed-centre system.
M
ATCHING
IMPORTANT
Do not attempt to raise or rotate the boom
while the airlock is in operation.
Airlock control must be in the centre neutral
position for the boom to raise or lower.
Agri-Vac Operator's Manual 34-18148-6 28