background image

LTA 2.0 Telescopic Extraction Arm

OPERATOR’S MANUAL

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
and be careful.

March, 2000

IM624

• 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

• World's Leader in Welding and Cutting Products •

Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:

RETURN TO MAIN MENU

Summary of Contents for IM624

Page 1: ... OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful March 2000 IM624 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 World s Leader in Welding and Cutting Products Date...

Page 2: ...R WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of Safety in Welding Cutting ANSI Standard Z49 1 from the American Welding Society P O Box 351040 Miami Florida 33135 or CSA Standard W117 2 1974 A Free copy of Arc Welding Safety booklet E205 is availa...

Page 3: ...rical earth ground 3 f Maintain the electrode holder work clamp welding cable and welding machine in good safe operating condition Replace damaged insulation 3 g Never dip the electrode in water for cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both welders ...

Page 4: ...event 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 Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site special precautions should be used to prevent hazardous situations Refer to Safety in Weldin...

Page 5: ...s et non inflamma bles 4 Des gouttes de laitier en fusion sont émises de l arc de soudage Se protéger avec des vêtements de protection libres de l huile tels que les gants en cuir chemise épaisse pantalons sans revers et chaussures montantes 5 Toujours porter des lunettes de sécurité dans la zone de soudage Utiliser des lunettes avec écrans lateraux dans les zones où l on pique le laitier 6 Eloign...

Page 6: ...inor personal injury or damage to this equipment CAUTION Please Examine Carton and Equipment For Damage Immediately When this equipment is shipped title passes to the purchaser upon receipt by the carrier Consequently Claims for material damaged in shipment must be made by the purchaser against the transportation company at the time the shipment is received Please record your equipment identificat...

Page 7: ...neral 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 Parts Manual Appendix Parts Pages 1 4 ...

Page 8: ...id only when specified spare parts and filters are used 6 Vacuum Inches WG Air Flow CFM 4 2 0 0 250 500 750 1000 SF 2400 LTA 2 0 45 45 40 1000 mm 40 1000 mm 40 1000 mm 55 1400 mm 55 1400 mm Sales Specification K1655 3 Description LTA 2 0 Telescopic Extraction Arm Arm Length 39 5 55 in 1000 1400 mm Nominal Diameter 8 in 208 mm Airflow Capacity 353 942 CFM 600 1 600 m3 h Weight 15 4 lbs 7 kg GENERAL...

Page 9: ...0 Fan manual for installation instructions A 2 INSTALLATION LTA 2 0 TELESCOPIC EXTRACTION ARM A 2 Read this entire installation section before you start installation SAFETY PRECAUTIONS Do not attempt to use this equipment until you have thoroughly read all installation operating and mainte nance information supplied with your equipment They include important safety precautions and detailed operati...

Page 10: ...over the post of the bracket Fig 3A and replacing the 1 75 bolt and nut Fig 3C ADJUSTING THE FRICTION OF THE TELESCOPIC ARM The amount of friction resistance should be set such that the arm is comfortable to move always test both up and down movements yet hold its position against gravity once positioned To adjust the friction resistance of the hood move ment fold back the rubber band onto the hoo...

Page 11: ...ity once positioned To adjust the friction setting for side to side movement of the arm use the top two bolt nut sets on the rotat ing hinge Fig 5A To adjust the friction setting for front to back move ment adjust the front bolt nut set Fig 5E on the rotating hinge To adjust the friction setting for the telescopic motion of the arm remove the black cap Fig 5B and turn the set screw Fig 5D counterc...

Page 12: ... and gases may still be haz ardous to health Avoid breathing concentrations of these fumes and gases Use adequate ventilation when welding See ANSI Z49 1 Safety in Welding and Cutting pub lished by the American Welding Society Only qualified personnel should operate this equip ment ADDITIONAL SAFETY PRECAUTIONS Always operate the fan with the arm installed and all covers in place as these provide ...

Page 13: ... of Installation section of this manual Check the operation of the airflow throttle valve C 1 MAINTENANCE C 1 ROUTINE MAINTENANCE Every 3 months Check the integrity of the outside of the extraction arm and clean it with a non aggressive detergent Check the friction setting of the rotating hinge and telescopic movement of the arm Refer to Fig 6 adjust if necessary Refer to Adjustment of Friction po...

Page 14: ...locked Air path in arm blocked Filter blocked if used Spark arrester blocked if used Blower fan blocked Fan seal damaged Throttle valve closed Friction settings out of adjustment Lubricate hinge points as described in the Maintenance Section Check hose connections and integrity Remove obstructions from outlet Remove obstructions from arm Check maintenance indicator and replace filter if necessary ...

Page 15: ... 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 FUME EXTRACTION ARMS P 320 P 320 PARTS LIST FOR Fume Extraction Arms ...

Page 16: ...FUME EXTRACTION ARMS NOTES ...

Page 17: ...ies 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 P 320 A 1 P 320 A 1 Fume Extraction Arms K1655 1 K1655 2 K1655 3 CODE NO K1655 1 1 K1655 2 2 K1655 3 1 LTA 2 0 Telescopic Fume Extraction Arm Assembly P320 D LFA 3 1 and 4 1 Fume Extraction Arm Assembly P320 C SUB ASSEMBLY PAGE NAME PAGE NO Sub Assembly Item...

Page 18: ...7 22 98 FUME EXTRACTION ARMS P 320 C P 320 C LFA 3 1 and 4 1 Fume Extraction Arm Assembly M18411 ...

Page 19: ...Hose Section 4 0 ft S23282 12 2 X X 5 Knob Airflow Throttle Valve S23282 4 2 X X 6 Hood Assembly S23282 5 1 X X 7 Plastic Friction Plug S23282 6 2 X X 7 22 98 FUME EXTRACTION ARMS Use only the parts marked x in the column under the heading number called for in the model index page Indicates a change this printing P 320 C 1 ITEM DESCRIPTION PART NO QTY 1 2 3 4 5 6 7 8 9 P 320 C 1 ...

Page 20: ...2 12 98 FUME EXTRACTION ARMS P 320 D P 320 D LTA 2 0 Telescopic Fume Extraction Arm Assembly 3 4 5 2 1 1 8 7 6 ...

Page 21: ...82 12 2 X 5 Airflow Valve Control Knob S23282 4 1 X 6 Hood Assembly S23282 5 1 X 7 Plastic Friction Plug S23282 6 1 X 8 Telescopic Guide S23282 9 1 X 5 28 99 FUME EXTRACTION ARMS Use only the parts marked x in the column under the heading number called for in the model index page Indicates a change this printing P 320 D 1 ITEM DESCRIPTION PART NO QTY 1 2 3 4 5 6 7 8 9 P 320 D 1 ...

Page 22: ...NOTES ...

Page 23: ...NOTES ...

Page 24: ...NOTES ...

Page 25: ...lletin ED 80 or call 216 383 2259 and ask for the Welding School Registrar Lincoln Welding School BASIC COURSE 700 00 5 weeks of fundamentals There is a 10 discount on all orders of 50 00 or more for shipment at one time to one location Orders of 50 or less before discount or orders outside of North America must be prepaid with charge check or money order in U S Funds Only Prices include shipment ...

Page 26: ...electrically live parts or electrode with skin or wet clothing Insulate yourself from work and ground No toque las partes o los electrodos bajo carga con la piel o ropa moja da Aislese del trabajo y de la tierra Ne laissez ni la peau ni des vête ments mouillés entrer en contact avec des pièces sous tension Isolez vous du travail et de la terre Berühren Sie keine stromführenden Teile oder Elektrode...

Page 27: ...gute Be und Entlüftung des Arbeitsplatzes Mantenha seu rosto da fumaça Use ventilação e exhaustão para remover fumo da zona respiratória Turn power off before servicing Desconectar el cable de ali mentación de poder de la máquina antes de iniciar cualquier servicio Débranchez le courant avant l entre tien Strom vor Wartungsarbeiten abschalten Netzstrom völlig öff nen Maschine anhalten Não opere co...

Page 28: ...s 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 World s Leader in Welding and Cutting Products ...

Reviews: