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14

4. MAINTENANCE

WARNING

The power of the switching box and the cutting machine should be shut down before
daily checking (except appearance checking without contacting the conductive body)
to avoid personal injury accidents such as electric shock and burns.

Table 4-1: Daily checking of the cutting machine

Items

Checking requirements

Remarks

Front panel

Back panel

Cover

Chassis

Routine

Whether any of the components are damaged
or loosely connected;
Whether the output quick sockets are tightened;
Whether the abnormity indicator illuminates.

Whether the input power cable and buckle are
in good condition;
Whether the air intake is unobstructed.

Whether the bolts are loosely connected.

Whether the screws are loosely connected.

Whether the machine enclosure has color fading
or overheating problems;
Whether the fan sounds normal when the machine
is running;
Whether  there  is  abnormal  smell,  abnormal
vibration or noise when the machine is running.

Earth cable

Cutting cable

Whether  the  grounding  wires 

(

including  workpiece

GND wire and cutting machine GND wire

)

 break off.

Whether the insulating layer of the cable is worn,
or the conductive part of the cable is exposed;

Whether the cable is drawn by an external force;

Whether the cable connected to the workpiece
is well connected.

Items

Checking requirements

Remarks

Table 4-2: Daily checking of the cables

If unqualified, check the interior
of  the  machine,  and  tighten  or
replace the components.

If unqualified, tighten or replace
the components.

If abnormal, check the interior
of the machine.

If unqualified, tighten or replace
the components.

Use appropriate methods
according to the work site
situation to ensure safety
and normal cutting.

4.1 Daily maintenance

1

)

 Daily checking is very important in keeping the high performance and safe operation of this

     cutting machine.
2

)

 Do daily checking according to the table below, and clean or replace components when necessary.

3

)

 In order to ensure the high performance of the machine, please choose components provided

     or recommended by Shenzhen Jasic Technology Co., Ltd. when replacing components.

Summary of Contents for L20701

Page 1: ...T MODEL CUT40 L20701 CU 0 L208 OPERATOR S MANUAL 3 INVERTER CUTTER...

Page 2: ......

Page 3: ...rding to relevant national Thank you for JASIC inverter cutter In order to ensure your safety and correct operation please read this manual carefully before operation Keep this manual properly for fut...

Page 4: ...als to avoid a fire Make ensure there are no inflammables near the cutting position to avoid a fire Beware of explosion Do not install the machine in an environment with explosive gas to avoid an expl...

Page 5: ...tion to fire safety cutting Ensure there is fire extinguisher nearby and make sure someone has been trained to operate the fire extinguisher Do not weld closed container Do not use this machine for pi...

Page 6: ...System characteristics 5 2 INSTALLATION AND CONNECTION 6 2 1 Installation requirements 6 2 2 Precautions 7 3 OPERATION 9 3 1 Panel functions of L20701 9 3 2 10 Notes for cutting operation 11 3 5 Cutti...

Page 7: ...08 6 4 40 96 25 300 20 40 HF 10 0 3 0 5 F IP21S 85 0 70 Arc ignition ode m Post flow time S Gas pressure range Mpa Enclosure ingress protection Air cooling 4 6 30 92 5 325 20 30 Non HF 10 0 3 0 5 B IP...

Page 8: ...d weight Table 1 2 Overall size and weight of the machine Figure 1 2 Appearance and size of the machine Unit mm Weight Kg Model Overall size L W H CUT40 L20701 CUT 0 L208 415 155 315 460 160 320 10 3...

Page 9: ...mark Material code Cutting torch Earth clamp Operator s manual CUT series Standard configuration Standard configuration Standard configuration Standard configuration 1 1 1 1 Table 1 4 Configuration of...

Page 10: ...ng power supply inverter technology greatly reducing the volume and weight of the cutter and obviously enhancing the conversion efficiency by 30 Features of CUT series Economic and practical by adopti...

Page 11: ...he normal work time of the machine under rated maximum current holding in the period when taking 10 minutes as a period The rated duty cycle of this machine is 40 60 Using the cutting machine continuo...

Page 12: ...ut cable Connection of cutting torch Connect the copper nut on the cutting torch to the gas electric connector on the front panel of the machine and tighten it clockwise to avoid gas leakage Insert th...

Page 13: ...n of the reducer valve Steps for reducer setting are as follows start the gas flow lift the pressure control knob upward adjust the gas pressure to the desired value by rotating the knob rotate to dir...

Page 14: ...is of automatic mains voltage compensation which ensures that the cutting current varies within the given range In case that the input mains voltage exceeds the tolerance value it would possibly damag...

Page 15: ...of the machine 1 2 3 4 No Part name Function Overcurrent in dicator To indicate the machine is under ov ercurrent protection status when it illuminates 5 6 7 The power ight To indicate the machine wo...

Page 16: ...work properly Plastic shutter As the exit for air duct for ventilation and heat dissipation Current control knob To adjust the output current value output terminal To connect the earth clamp 1 2 3 No...

Page 17: ...initiate the cutting from the edge of workpiece unless penetration is needed Ensure spatters fly from the bottom of workpiece while cutting If spatters fly from the top of workpiece it indicates that...

Page 18: ...t proper current according to the cutting parameters table workpiece material cutting thickness and cutting speed etc The figure in the below table is an approximation Table 3 1 Cutting speed in when...

Page 19: ...l be strong arc in the nozzle which will break down the electrode and the nozzle or even burn the torch Nozzles of different models are different so ensure the nozzle is of the same model when replaci...

Page 20: ...ning Earth cable Cutting cable Whether the grounding wires including workpiece GND wire and cutting machine GND wire break off Whether the insulating layer of the cable is worn or the conductive part...

Page 21: ...uncovering the cutting machine When the machine is powered on keep hands hair and tools away from the moving parts such as the fan to avoid personal injury or machine damage Avoid rain water and vapor...

Page 22: ...he machine the power indicator illuminates and the fan works When pressing the control button of the cutting torch the solenoid valve inside the machine functions but there is no HF discharge rustling...

Page 23: ......

Page 24: ...SHENZHEN JASIC TECHNOLOGY CO LTD No 3 Qinglan 1st Road Pingshan District Shenzhen Guangdong China www jasictech com...

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