Koike IK-12 BEETLE User manual

Portable Automatic Gas Cutter
Operation Manual – Version T89001694
For every person who will be engaged in operation and maintenance
supervision, it is recommended to read through this manual before any
operations, so as to permit optimum operation of this machine.

INTRODUCTION
Thank you very much for purchasing this product. Read this instruction manual thoroughly to ensure
correct, safe and effective use of the machine, Read the manual first to understand how to operate and
maintain the machine. Cooperation between colleagues in the workplace is essential for safe, smooth
operation. Make sure you read, understand and take all necessary safety precautions.
SAFETY PRECAUTIONS
This product is designed to be safe, but it can cause serious accidents if not operated correctly. Those
who operate and repair this machine must read this manual thoroughly before operating, inspecting, and
maintaining the machine. Keep the manual near the machine so that anyone operates the machine can
refer to it as necessary.
Do not use the machine carelessly without following the instructions in the manual.
Use the machine only after you have completely understood the contents of the manual.
If an explanation in the manual is difficult to understand, contact our company or sales service office.
Keep the manual to hand at all times and read it as many times as is necessary for a complete
understanding.
If the manual becomes lost or damaged, place an order with our company or sales service office for a
new one.
When transferring the machine to a new owner, be sure to hand over this instruction manual as well.
QUALIFICATIONS FOR MACHINE OPERATOR
Operators and repair staff of this machine must completely understand the contents of the instruction
manual and have either of the following qualifications:
1. Gas welding foremen’s license
2. Completion of gas welding training course
3. Approval by the Minister of Labor

Symbol Title Meaning
General General caution, warning and danger
Be careful not to get your
fingers caught
Possible injury to fingers if caught in the
insertion port
Caution: Electric shock! Possible electric shock under special
conditions
Ground this equipment Operators must ground the equipment using
the safety grounding.
Pull out the power plug from
the outlet
Operators must unplug the power plug from
the outlet when a failure occurs or when
there is a danger of lightning damage.
Caution against bursting Possible bursting under certain conditions
General General warning
Caution: Hot
！
Possible in
j
ur
y
due to hi
g
h temperature under
certain conditions
Caution: Ignition
！
Possible ignition under certain conditions

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CONTENTS
1. Safety Information .................................................................................................................2
1.1 General machine safety precautions ..............................................................................................2
1.2 Gas cutting safety precautions........................................................................................................4
2. Locations of safety labels.......................................................................................................6
3. Outline of machine................................................................................................................. 6
3.1 Features of machine .......................................................................................................................6
3.2 Name and function of each section.................................................................................................6
3.3 Specifications ..................................................................................................................................7
4. Preparation for operation .......................................................................................................8
4.1 Contents of package ........................................................................................................................8
4.2 Machine assembly ...........................................................................................................................8
4.3 Preparation for operation .................................................................................................................9
5. Cutting operation ................................................................................................................. 10
5.1 Safety measures prior to operation...............................................................................................10
5.2 Ignition and flame adjustment .......................................................................................................10
5.3 Cutting and piercing method .........................................................................................................11
5.4 Procedures for starting cutting and extinguishing flame ...............................................................11
5.5 Safety measures against backfire and flashback .........................................................................11
5.6 Cutting operation...........................................................................................................................12
5.7 Set up circle cutting attachment ....................................................................................................12
5.8 Circle rail .......................................................................................................................................12
6 Maintenance and inspection ................................................................................................. 12
6.1 Daily inspection .............................................................................................................................12
6.2 Monthly inspection ........................................................................................................................12
6.3 3-month (2000-hour) inspection....................................................................................................13
7. Trouble shooting.................................................................................................................. 13
8. Wiring diagram ..................................................................................................................... 15
9. Sketch drawing of IK-12BEETLE.......................................................................................... 15
10. Parts list ............................................................................................................................... 16
10.1 Main units....................................................................................................................................16
10.2 Electrical, gas and torch slide holder units..................................................................................19
10.3 Two torch unit..............................................................................................................................22
11. Cutting Data ......................................................................................................................... 24
CONTENTS

IK-12 BEETLE
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10 Parts list
10.1 Main units