Firepower PC250 Скачать руководство пользователя страница 16

HAND TORCH OPERATION 

A. Cutting with a Hand Torch

1. The torch can be comfortably held in one hand or steadied with two hands. Choose the technique that feels
most comfortable and allows good control and movement. Position the index finger or thumb to press the con-
trol switch on the torch handle.

2. For edge starts, hold the torch perpendicular to the workpiece with the front of the tip on the edge of the
workpiece at the point where the cut is to start. For piercing, angle the torch slightly to direct sparks away from
the torch until the pierce is complete.

3. For drag cuts keep the torch in contact with the workpiece. For standoff cutting, hold the torch 1/16 -1/8 in
(2-3 mm) from the work.

4. With the torch in starting position, press and hold the control switch. After an initial gas purge, the pilot arc
will come on and remain on until the cutting arc starts.

5. Once on, the main arc remains on as long as the control switch is held down, unless the torch is withdrawn
from the work or torch motion is too slow. If the cutting arc is interrupted, the pilot arc comes back on auto-
matically.

6. To shut off the torch simply release the control switch. When the switch is released a ten second post-flow
will occur. If the torch switch is closed during the post-flow, the cutting arc will restart immediately when the
torch is brought within range of the workpiece.

B. Piercing with a Hand Torch

1. When piercing with a hand torch, tip the torch slightly so that blowback particles blow away from the torch
tip (and operator) rather than directly back into it.

2. Complete the pierce off the cutting line and then continue the cut onto the line. Hold the torch perpendicular
to the workpiece after the pierce is complete.

3. Clean spatter and scale from the shield cup and the tip as soon as possible. Spraying or dipping the shield
cup in anti-spatter compound will minimize the amount of scale which adheres to it. 

Disconnect primary power at the source before disassembling the torch or torch leads. Frequently

review the Important Safety Precautions at the front of this Manual. Be sure the operator is equipped with proper
gloves, clothing, eye and ear protection. Make sure no part of the operator's body comes into contact with the work-
piece while the torch is activated. 

Sparks from the cutting process can cause damage to coated, painted, and other surfaces such as

glass, plastic and metal. 

NOTE Handle torch leads with care and protect them from damage.

16

CAUTION

WARNING

Содержание PC250

Страница 1: ...PC250 Plasma Cutting System Instruction Manual FORM NO 0056 2990 EFFECTIVE January 2004 Safety and Operating Instructions For Your Safety PLEASE READ CAREFULLY IMPORTANT...

Страница 2: ...tallation and Operation 11 Site Location 11 Unpacking 11 Electrical Connection 11 12 Operation 12 Functional Overview 12 Operating Control 12 13 Getting Started 13 Torch Consumables Parts Selection 14...

Страница 3: ...ficantly affect safety are identified with the following headings Please read and understand this manual Pay special attention to items identified with these headings Means there is a possibility of i...

Страница 4: ...iac pacemakers hearing aids or other electronic health equipment Persons who work near plasma arc cutting applications should consult their medical health professional and the manufacturer of the heal...

Страница 5: ...ts that can start fires burn skin and damage eyes ARC RAYS CAN INJURE EYES AND BURN SKIN Plasma Arc Rays can injure your eyes and burn your skin The plasma arc process produces very bright ultra viole...

Страница 6: ...ium Lead Silver Cadmium Manganese Vanadium For information on how to test for fumes and gases in your workplace refer to item 1 in the Publications section in this manual Use special equipment such as...

Страница 7: ...eune Rd Miami FL 33126 8 NFPA Standard 51 OXYGEN FUEL GAS SYSTEMS FOR WELDING CUTTING AND ALLIED PROCESSES obtainable from the National Fire Protection Association Batterymarch Park Quincy MA 02269 9...

Страница 8: ...months after an authorized distributor sells the product to its customer whichever is longer except that in no event will this war ranty exceed eighteen months from the date the product is sold from S...

Страница 9: ...er for service interruption In no event will this warranty obligate Seller for any amount exceeding the price of the goods upon which liability is based Correction of non conformities in the manner an...

Страница 10: ...Air Pressure Yellow Temperature Indicator Power Switch Illuminated ON OFF Switch UL CSA Listed Power Cord 6 5 ft 2m 20Amp Power Plug Plasma Gun 13 ft 4m Firepower EL60 Ground Cable and Clamp 13ft 4m...

Страница 11: ...tion meets all safety requirements UNPACKING The system is packaged with a carton and packing material to prevent damage during shipping A System Components Included with each system is the following...

Страница 12: ...so an adequate filter and moisture trap FUNCTIONAL OVERVIEW The Firepower PC250 Plasma Cutting System is designed to provide a plasma cutting system which can cut most metals from gauge thickness up t...

Страница 13: ...proper torch parts for the desired application refer to Section called Torch Consumable Parts Selection NOTE The power supply will not operate unless the torch shield cup is fully seated against the...

Страница 14: ...til it is seated on the torch head If resistance is felt when installing the cup check the threads before proceeding Improper assembly or use of non standard torch parts can cause the torch head to sh...

Страница 15: ...eaves the torch to maintain a smooth column of gas This swirl effect results in one side of a cut being more square than the other Viewed along the direction of travel the right side of the cut is mor...

Страница 16: ...e control switch When the switch is released a ten second post flow will occur If the torch switch is closed during the post flow the cutting arc will restart immediately when the torch is brought wit...

Страница 17: ...he AC indicator light on the front panel of the power supply is ON Even if precautions are taken to use only clean air with a torch eventually the inside of the torch becomes coated with residue This...

Страница 18: ...wing procedure NOTE The tip gas distributor and electrode are held in place by the shield cup Position the torch with the shield cup facing upward to prevent these parts from falling out when the cup...

Страница 19: ...acturer without proper authorization will not be accepted B How to use this Guide The following information is a guide to help determine the most likely causes for various symptoms This guide is set u...

Страница 20: ...seated against torch head 2 Faulty Torch Switch or PIP Assembly in torch holder a Refer to Servicing Torch Head Components 3 Faulty Main PC Board a Repair Replace Power Supply E AC indicator ON Over...

Страница 21: ...10 1445 0960 1 4 G 1 4 NPT CONNECTOR 1 11 1444 0428 GROMMET CABLE CLAMP 1 12 1445 0962 INPUT CABLE SJT 3XAWG14USA PLUG 115V 20A 1 13 1445 0963 COVER PANEL 1 14 1445 0964 GROUND CABLE 13 ft 6MM2 200A C...

Страница 22: ...listed in the descrip tion column of the Parts List Also include the model and serial number of the torch Address all inquiries to your authorized distributor 22 Part Description Pkg Qty 1445 0928 70d...

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