Condux WDR505 Underground Pulling Trailer - Manual (Page 21)

21
PROBLEM: CAUSE: SOLUTION:
Excessive hydraulic oil
temperature.
The fan of the hydraulic oil
doesn’t work
Verify the electric
contact of the
temperature bulb on
the radiator
Verify the electric
contact of the ventilator
ignition selector on the
control panel
Overused machine
Wait for a few minutes
for cooling the oil. It
is possible to reduce
the oil cooling time
by turning on the
fan of the hydraulic
oil radiator and by
completely opening
the reel winder valve
with diesel engine at
medium-high rpm
An anomalous stop
happens when
returning to center
position with the
control lever
Anticipated closing of the
negative brake
Verify the control by
means of the suitable
trimmer on the
electronic card
Hydraulic pump with
defective zero setting
Carry out the hydraulic
and mechanic zero
setting – technical
assistance