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V. LUBRICATION
In this machine we have three grease fittings, please use grease gun to lubricate all of
them, 3 times a day, using grease oil
Mobil # Dorcia-150
VI. TROUBLESHOOTING
Any questions, please call our service # 1-909-947-7787
www.gmcmachinetools.com
www.GMCMachineTools.com
PROBLEM
SOLUTION
The motor does not run
make sure the power supply connected correctly
Check the power voltage, 220V or 440V, +- 10%
Voltage can not be lower than 208V, 3phase
The rolls do not turn
On the control foot pedal, make sure the E-stop is fully released
and pops up
check the safety wire and make sure the limit switch is fully
released
Top roller can not push back
Need to jog the foot pedal to turn the rolls a little bit because the
driven gears are not engaged well
Push or pull the safety cable but do not
shut down the machine
Check the limit switch for the safety cable to make sure the
distance is correct
The digital display number does not
change when the bending roll moves up
or down
Display wires may be loose or display is bad
The encoder is bad
How to make cone
Tilt the bending roll and use the cone attachment
How to limit the flat spot
Make sure the pinch roll can not touch the material, need a little
gap
Roll the material one pass, then slip over the material and roll
second pass, and repeat to make a round part
Material has cracking waves
Make sure the pinch roll isn't touching the material, needs a little
gap
