45
8.3.2
• Booms will not lower
Possible Cause(s) Suggested Solution(s)
a) Insufficient back-
pressure to activate
the pilot-operated
check valves in the
NORAC valve block
a) Some single acting circuits may require
orifices to be placed in the “A” lines going
to the tank.
8.3.3
• "Timeout!" error during System Setup
Possible Cause(s) Suggested Solution(s)
a) Hydraulic cylinder
has reached the end of
its stroke but the
system is still trying
to move in that
direction
a-1) Ensure the hydraulic cylinders are not
being prevented from moving by a cylinder
cap.
a-2) If a cylinder is fully extended or retracted,
manually reposition the boom into the
middle of the cylinder stroke and resume
the setup with the "AUTO (YES)" switch.
a-3) For left and right booms that do not adjust
below the level of the main boom, ensure
that the main boom is within 125cm (50
inches) above ground before attempting an
Install or ReTune.
b) Boom is moving too
slow
b) Ensure the hydraulic oil is at working
temperature.
c) Not enough pressure
to the hydraulic
circuits at main lift
("MlfDet") Boom
Geometry Tuning
NOTE: This is for sprayers
with load-sensing hydraulic
circuits.
c-1) Ensure the solution pump is running.
c-2) Put the hydraulic system into high pressure
manually.
NOTE: On a John Deere sprayer, this can be
accomplished by pressing and holding the
brake.
d) The sensor may be
reading off the boom
d-1) Move the sensor to a location where the
boom will not interfere with the sensor
readings
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