12
2
、手动下降
Here is the coil wiring of the lifting contractor (wire No.5 &
No.15) After power on, Press lifting button and then
measure whether there is a voltage about 24V from these
two places. If yes, and there is no sound of the contractor,
then should be Contractor Failure. I f there is no 24
Voltage. T h e n check whether the metal button is well
connected
The
product
can’t
lift
and
lower
down or
oil
cylinder
lower itself.
Troubleshooting operations as below steps:
Hand lowering
:
Pressure adjustment
valve, note: This valve
should not be over-
adjusted to avoid
deformation of the
frame caused by
overload.
This is a descending valve.
If it descends slowly or
automatically, adjust the
tightness
of
the
descending chain, or check
the spool
Содержание EP15LI
Страница 16: ...14 3 Wiring circuit diagram A Circuit diagram Wiring diagram...
Страница 17: ...15...
Страница 20: ...18 C Disassembly of Electromagnetic brake D Driving internal gears and bearings...