Mechanical Problems - Hardi Commander Plus SPC Series Instruction Book

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FAULT
Operating unit not function-
ing
Mec Mec Mechanical pr hanical prob hanical pr hanical pr oblems ob ob lems lems lems
Mec Mec hanical pr ob lems
FAULT
Boom will not fold in or out
Boom will not fold com-
pletely
Boom not aligned
Boom will not stay in
spraying position
Wing to be kept folded
swings out when unfolding
other side of the boom
80
Fault-finding
PROBABLE CAUSE
Blown fuse(s).
Wrong polarity.
Valves not closing properly.
No power.
PROBABLE CAUSE
Cylinder
Cables
Cables
Various
Various
CONTROL/REMEDY
Check mechanical function of microswitches.
Use cleaning/lubricating agent if the switch
does not operate freely.
Check motor. 450-500 milli-Amperes max.
Change motor, if over.
Brown - pos. (+). Blue - neg. (-).
Check valve seals for obstructions.
Check microswitch plate position. Loosen
screws holding plate a
Wrong polarity. Check that brown is pos. (+),
Blue is neg. (-).
Check print plate for dry solders or loose
connections.
Check fuse holder are tight around fuse.
CONTROL/REMEDY
Adjust the fold cylinder
Check adjustment of centre cables
Adjust and grease complete boom cables
and stops
Check for hydraulic leaks through solenoid
block.
Check for a solenoid that is stuck open.
Boom must be completely unfolded - then fold
out the desired boom wing.
Check for hydraulic leaks through solenoid
block.
Check for a solenoid that is stuck open.
GB 16 05 01
/ turn.
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