Hardi FALCON Boom HY, Operator'S Manual

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29 HARDI ® FALCON BOOM OPERATOR‘S MANUAL
10.0 TROUBLESHOOTING
10.1 Hydraulic Systems
General Hydraulics
Problem
1. The boom moves too quickly when
unfolding/folding.
2. Hydraulic system tilt functions
will not operate.
3. One function (fold or tilt) will not
operate.
10.2 Mechanical Problems
Problem
1. Boom will not completely fold in or
out.
2. Boom not in alignment.
3. Boom won’t stay in spray position.
4. Boom won’t go up or down.
Solution
A. Adjust the hydraulic flow
control on the tractor.
B. Check for restrictor (0.7mm)
in return side of cylinder.
C. Bleed air from hydraulic
system.
A. Check for proper 12V power
supply.
A. Check for defective switch(es).
B. Check continuity of cables.
C. Check for operation of appli-
cable solenoid (coil not acti-
vating or plunger stuck).
D. Check for short circuit in wir-
ing juction box at rear of
sprayer.
E. Dirt in the restrictor port of
the cylinder.
Solution
A. Adjust the fold cylinder.
(Section 7.2)
A. Adjust and grease complete
boom cables and stops.
(Sections 7 & 8)
A. Check for hydraulic leak
through solenoid block.
B. Check for a solenoid that is
stuck open.
A. H-frame needs to be greased.
B. Grease on H-frame is dry and
dirty, clean and regrease.
C. Boom slide is too tight to H-
frame. Readjust Center
Frame (Section 7.5).
Fig. 15
Restrictor