Hardi FORCE, Operator'S Manual

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41 HARDI ® FORCE™ BOOM OPERATOR’S MANUAL
10.0 TROUBLESHOOTING
10.1 Hydraulic Systems
Problem
1. The boom moves too quickly
when unfolding/folding.
2. Hydraulic system fold/tilt func tions
will not operate.
3. One function (fold or tilt) will not
operate.
4. Multiple hydraulic functions with
one switch activated.
5. One side of boom moves faster
when folding.
Solution
A. Adjust the hydraulic fl ow
control on the tractor.
B. Check for restrictor (0.7mm)
in return side of cylinder.
C. Bleed air from hydraulic
system.
D. Adjust fl ow dividers.
A. Check for proper 12V power
supply.
A. Check for defective switch(es).
B. Check continuity of cables.
C. Check for operation of
applicable solenoid (coil not
activating or plunger stuck).
D. Check for short circuit in
wiring junction box at rear of
sprayer.
E. Dirt in the restrictor port of
the cylinder.
A. Check for correct solenoid
electric/hydraulic hook-up.
B. Check for short circuit in
wiring in the junction box at
rear of sprayer.
A. Adjust the fl ow divider.
B. Dirt in restrictor port on the
solenoid block.