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LTA 2.0 Telescopic Extraction Arm
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
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
• 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
RETURN TO MAIN MENU
THIS
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
IM624
March, 2000
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Table of Contents
Summary of Contents for Lincoln Electric IM624
- Page 1 RETURN TO MAIN MENU IM624 LTA 2.0 Telescopic Extraction Arm March, 2000 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.
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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 SAFETY ARC RAYS can burn. ELECTRIC SHOCK can 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot”...
- Page 4 SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a. Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire.
- Page 5 SAFETY 5. Toujours porter des lunettes de sécurité dans la zone de PRÉCAUTIONS DE SÛRETÉ soudage. Utiliser des lunettes avec écrans lateraux dans les zones où l’on pique le laitier. Pour votre propre protection lire et observer toutes les instruc- tions et les précautions de sûreté...
- Page 6 QUALITY product by Lincoln Electric. We want you Thank You to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped, title passes to the purchaser upon receipt by the carrier.
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Page 7: Table Of Contents
TABLE OF CONTENTS Page Safety ............................i-iv Installation........................Section A Technical Specifications .......................A-1 Safety Precautions .......................A-2 General Description......................A-2 Mounting the LTA 2.0 Telescopic Arm .................A-2 Adjusting the Friction Settings of the Arm ................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
INSTALLATION Technical Specifications- LTA 2.0 Telescopic Extraction Arm GENERAL Sales Specification K1655-3 Description LTA 2.0, Telescopic Extraction Arm 45° Arm Length 39.5 - 55 in. (1000 - 1400 mm) 40" Nominal Diameter 8 in. (208 mm) (1000 mm) 353 - 942 CFM (600 - 1,600 m 3 /h) Airflow Capacity Weight 15.4 lbs. -
Page 9: Safety Precautions
INSTALLATION Read this entire installation section before you Other Available Equipment: start installation. K1656-1 SF2400 Stationary Fan (requires K1657-2 Motor Mounting Bracket) SAFETY PRECAUTIONS K1657-2 Motor Mounting Bracket K1534-2 Air Exhaust Silencer Do not attempt to use this equipment until you have K1654-1 Statiflex 200-M, Wall-mounted Filter Unit thoroughly read all installation, operating and mainte- nance information supplied with your equipment. - Page 10 INSTALLATION MOUNTING THE LTA 2.0 Remount the arm to the mounting bracket by sliding the friction block over the post of the bracket (Fig. 3A) TELESCOPIC ARM and replacing the 1.75” bolt and nut (Fig. 3C). (continued) 11.8" (300 mm) 11.8-15.7"...
- Page 11 INSTALLATION ADJUSTING THE FRICTION OF THE To adjust the friction setting for front to back move- ment, adjust the front bolt/nut set (Fig. 5E) on the TELESCOPIC ARM rotating hinge. (continued) To adjust the friction setting for the telescopic motion The amount of friction resistance should be set such of the arm, remove the black cap (Fig.
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Page 12: Operation
OPERATION Read and understand this entire section before oper- Only qualified personnel should operate this equip- ating your LTA 2.0 Telescopic Extraction Arm. ment. SAFETY INSTRUCTIONS ADDITIONAL SAFETY PRECAUTIONS Always operate the fan with the arm installed and all Do not attempt to use this equipment until you have covers in place as these provide maximum protection thoroughly read all operating and maintenance man- from moving parts and insure proper vacuum opera-... -
Page 13: Maintenance
MAINTENANCE Every 12 months: ROUTINE MAINTENANCE • Check the flexible hoses and rubber bands for Every 3 months: cracks or damage; replace if necessary. • Check the integrity of the outside of the extraction • Check the inside of the extraction arm and clean it arm and clean it with a non-aggressive detergent. -
Page 14: Troubleshooting
TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual SYMPTOM PROBLEM SOLUTION Extraction arm creaks or squeaks. Insufficient lubrication. Lubricate hinge points as described in the Maintenance Section. Poor suction. Leakage. Check hose connections and integrity Outlet (of fan) blocked. Remove obstructions from outlet. -
Page 15: Parts
This parts list is provided as an informative guide only. This information was accurate at the time of printing. However, since these pages are regularly updated in Lincoln Electric’s official Parts Book (BK-34), always check with your Lincoln parts supplier for the latest parts informa- tion. - Page 16 NOTES FUME EXTRACTION ARMS...
- Page 17 P-320-A.1 P-320-A.1 Fume Extraction Arms K1655-1, K1655-2, K1655-3 Do Not use this Parts List for a machine if its code number is not listed. Contact the Service Department for any code numbers not listed. Use the Illustration of Sub-Assemblies page and the table below to determine which sub assembly page and col- umn the desired part is located on for your particular code machine.
- Page 18 P-320-C P-320-C LFA 3.1 and 4.1 Fume Extraction Arm Assembly M18411 7-22-98 FUME EXTRACTION ARMS...
- Page 19 P-320-C.1 P-320-C.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. Recommended Spare Parts are Highlighted in Bold 1 2 3 4 5 6 7 8 9 ITEM DESCRIPTION PART NO.
- Page 20 P-320-D P-320-D LTA 2.0 Telescopic Fume Extraction Arm Assembly 2-12-98 FUME EXTRACTION ARMS...
- Page 21 P-320-D.1 P-320-D.1 # Indicates a change this printing. Use only the parts marked “x” in the column under the heading number called for in the model index page. Recommended Spare Parts are Highlighted in Bold 1 2 3 4 5 6 7 8 9 ITEM DESCRIPTION PART NO.
- Page 22 NOTES...
- Page 23 NOTES...
- Page 24 NOTES...
- Page 25 Month Year USE THIS FORM TO ORDER: Order from: 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 BOOKS OR FREE INFORMATIVE CATALOGS Telephone: 216-383-2211 or, Lincoln Welding School...
- Page 26 ● ● ● Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. WARNING electrode with skin or wet clothing. ● Insulate yourself from work and ground. Spanish ● ● ● No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el AVISO DE...
- Page 27 ● ● ● Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or ● WARNING Use ventilation or exhaust to guards off. remove fumes from breathing zone. ● Spanish Los humos fuera de la zona de res- ●...
- Page 28 • 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...