Goldacres Prairie Pro Operator's Manual page 91

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RECENTERING BOOM
1. Park the machine on a flat level surface, engage
the parking brake and chock the sprayer wheels.
2. Open the boom into the working position and
lower to the minimum working height. Ensure that
there is ample clear space in front and behind the
boom for it to oscillate in.
3. Isolate the boom lift cylinders by rotating the
Paralift cylinder ball valves to the OFF position.
4. Open the hydraulic yaw charge ball valves.
5. Oscillate the boom by hand to bring the boom
and cylinders into the desired center position.
6. The pressure gauges in the hydraulic yaw circuit
should be reading 100 bar.
Prairie Pro Operator's Manual MY19 - REV 2
t ent
Left: Yaw
charge ball
valves in
the OPEN
position.
7. Close the hydraulic yaw charge ball valves.
Left: Yaw
charge ball
valves in the
CLOSED
position.
Chapter 9 - Boom - 85