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IM623-A
LFA 3. 1 & 4. 1 Fume Extraction Arms
May, 2001
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT
READING
THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
E
and be careful.
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
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Related Manuals for Lincoln Electric 3.1
Summary of Contents for Lincoln Electric 3.1
- Page 1 RETURN TO MAIN MENU IM623-A LFA 3. 1 & 4. 1 Fume Extraction Arms May, 2001 Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ...
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Page 2: Safety
351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. -
Page 3: Electric Shock Can Kill
ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. - Page 4 WELDING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.
- Page 5 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suivantes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contre la secousse électrique: a.
- Page 6 This statement appears where the information must be followed to avoid minor personal injury or damage to this equipment. for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product •••...
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Page 7: Table Of Contents
Safety ...i-iv Installation...Section A Technical Specifications ...A-1 Safety Precautions ...A-2 General Description...A-2 Installing the LFA 3.1 or 4.1 Arm on a Wall Mounting Bracket ...A-3 Operation...Section B Safety Instructions ...B-1 Operating Instructions ...B-1 Maintenance ...Section C Routine Maintenance ...C-1 Trouble Shooting ...Section D Trouble Shooting Chart ...D-1... -
Page 8: Installation
Technical Specifications- LFA 3.1 & 4.1 Fume Extraction Arms Sales Specification Description Arm Length (including hood) Nominal Diameter Recommended Capacity Weight AMBIENT CONDITIONS Min. Temperature F (5 Max. Temperature F (45 Max. Rel. Humidity PRESSURE DROP - SF2400 Fan and LFA 3.1/4.1 Arms... -
Page 9: Safety Precautions
SF2400 Fan) when the sensor detects a welding arc. Installation procedures for the K1655-1 and K1655-2, LFA 3.1 and 4.1 Extraction Arms have been com- bined; the difference between the arms is the length of the arm sections, which does not affect installation procedures. -
Page 10: Installing The Lfa 3.1 Or 4.1 Arm On A Wall Mounting Bracket
Standard mounting height is approximately 7 ft. from the floor to the lower mounting holes. 3/8" 3/8" LFA 3.1 & 4.1 FUME EXTRACTION ARMS 9" (230 mm) Fig. 2 Mounting on a steel I-beam using four 3/8 in. (M10) threaded rods and two box-profile stabilizers (1x1x0.1 in.,... - Page 11 INSTALLING THE LFA 3.1 OR 4.1 ARM ON A WALL MOUNTING BRACKET (continued) MOUNTING THE LFA 3.1 OR 4.1 ARM TO THE WALL-MOUNTING BRACKET The rotating hinge of the arm comes in three pieces: Metal rotating hinge, red plastic ring, and clamping pin.
- Page 12 INSTALLING THE LFA 3.1 OR 4.1 ARM ON A WALL MOUNTING BRACKET (continued) MOUNTING THE LFA 3.1 OR 4.1 ARM TO THE WALL-MOUNTING BRACKET (continued) Position one 8” rubber band (Fig. 7, Item B) and the flexible hose supplied with the arm (Fig. 7, Item C) on the hood end of the arm (Fig.
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Page 13: Operation
Read and understand this entire section before oper- ating your LFA 3.1 or 4.1 Extraction Arm. SAFETY INSTRUCTIONS Do not attempt to use this equipment until you have thoroughly read all operating and maintenance man- uals supplied with your equipment and any related welding machine it will be used with. -
Page 14: Maintenance
(See Fig. 10 A) • Check the operation of the airflow throttle valve. Adjust friction with a wrench C(2x) Lubricate with oil MAINTENANCE Fig. 10 C(2x) LFA 3.1 & 4.1 FUME EXTRACTION ARMS Fig. 11 Lubricate with grease 360°... -
Page 15: Troubleshooting
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. LFA 3.1 & 4.1 FUME EXTRACTION ARMS TROUBLESHOOTING PROBLEM Insufficient lubrication. - Page 16 NOTES X-TRACTOR 1GC...
- Page 17 Address: Telephone: _______________________________________________ |_|_| |_|_| Exp Date Month BOOK DIVISION, The Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199 for fastest service, FAX this completed form to: 216-361-5901 Telephone: 216-383-2211 or, Titles: Price New Lessons in Arc Welding $5.00...
- Page 18 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 19 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ATTENTION German ● WARNUNG Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATENÇÃO...
- Page 20 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...