Huvema CRDM 3050 x 16/1, Operation Manual

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Emergency stop button SB1, the machine is nonelectrified only after turning off
the main power switch QS1.
9.3.8 Stop the machine
：
Must switch off the main power switch QS1 before repairing the machine.
9.4 Maintenance and adjustment of electrical equipments
Caution
：
a
、
Be careful, the wire of the main switch and contactor still is
electrified during checking the electrical equipmnents.
b
、
We suggest that the operator must turn off the switch QS1 before opening
the electrical door.
9.4.1 Adjustment
9.4.1.1 Angle of elevating limit switch touch spot is adjusted well before leaving
the factory, the elevating switch failure or arm doen’t act after pushing the button,
open the cover of the limit switch if affirm the switch SQ1 has fault, adjust the
angle of touch spot properly, then close the cover and screw down the bolts.
9.4.1.2 Adjustment of micro switches SQ2
、
SQ3
Position of micro switches SQ2, SQ3 are adjusted finely. When fault
happens in vertical direction, remove end cover on the left of cross arm if find
cross arm is not loose, or clamp can not reset; adjust the position of micro
switches SQ2, SQ3 if the position is not reasonable, fix the adjustable plate well
finally.
9.4.1.3 Setting the current value of thermal relay
The value is set by according to the current on the name plate of motor.
（
please refer to details of electric
）。
9.4.1.4 resume running state of PLC
：
Under normal conditions vertical line
moves back and forth on the screen after connecting the power
，
which indicates
PLC is running, otherwise do as the following steps
：
push ESC→ appear words
on the screen, then push the arrow→run→OK 2 times→ESC
（
return
）
How to judge PLC program loses
：
after resuming running state of PLC,
push the loose (clamp) or up (down) button, but the machine does not act, which
indicates the data of PLC has been switched off, it need to exchange the PLC with
new PLC with program.