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Lincoln Electric K1655-9-LFA 4.1 Operator's Manual

Fume extraction arms
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Operator's Manual
Fume Extraction Arms
Authorized Service and Distributor Locator:
www.lincolnelectric.com/locator
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10344
| Issue D ate Apr-18
© Lincoln Global, Inc. All Rights Reserved.

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Summary of Contents for Lincoln Electric K1655-9-LFA 4.1

  • Page 1 Operator’s Manual Fume Extraction Arms Authorized Service and Distributor Locator: www.lincolnelectric.com/locator Save for future reference Date Purchased Code: (ex: 10859) Serial: (ex: U1060512345) IM10344 | Issue D ate Apr-18 © Lincoln Global, Inc. All Rights Reserved.
  • Page 2 THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...

  • Page 3: Section A: Warnings

    W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 2.d. All welders should use the following procedures in order to 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.
  • Page 4 SAFETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”...
  • Page 5 SAFETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.
  • Page 6 FUME EXTRACTION ARMS SAFETY As a rule of thumb, for many mild steel electrode, if the air is visibly Ventilation clear and you are comfortable, then the ventilation is generally There are many methods which can be selected by the user to adequate for your work.
  • Page 7 TLV and PEL values are as of October 2013. Always check Safety and 313 of the Emergency Planning and Community Right- Data Sheet (SDS) with product or on the Lincoln Electric website at to-Know Act of 1986 and of 40CFR 370 and 372.
  • Page 8 FUME EXTRACTION ARMS TABLE OF CONTENTS...
  • Page 9 FUME EXTRACTION ARMS General Description eQUipMent liMitations The extraction arms have been specially designed for extracting • Never use the product for extracting inflammable, glowing or harmful fumes and gasses which are released during the most burning particles or solid liquids. common welding processes.

  • Page 10: Technical Specifications

    FUME EXTRACTION ARMS INSTALLATION tecHnical specifications - EXTRACTION ARM MOUNTING COMPATIBILITY Mobiflex - 50 Hz, 230V Mobiflex - 60 Hz, 115V Product Wall Mount Description Number Application K2497-(2,4) K1653-(2,3), K1741-(1,2) K2497-(12,14) K1653-(4,5), K1741-(3,4) K1655-8 LFA 3.1 (10FT.) WITH FLANGE – –...
  • Page 11 FUME EXTRACTION ARMS INSTALLATION EC 4 LFA 3.1, 130 in. 8" 79" 79" LFA 4.1, 170 in. (200 mm) (2000 mm) (2000 mm) (3300/4300 mm) With LFA 3.1, 287 in. (7300 mm) With LFA 4.1, 327 in. (8300 mm) EC 2 LFA 3.1, 130 in.
  • Page 12 FUME EXTRACTION ARMS INSTALLATION Vacuum (inches WG) vs. Air Flow (CFM) LTA 2.0 & LTA 2.0-CW LFA 2.0 LFA 4.1 LC LFA 4.1 & Mobi ex LFA 3.1 & Mobi ex SF2400 Fan 14ft Crane with LFA 4.1 7ft Crane with LFA 4.1 1000 1200...

  • Page 13: Installation

    FUME EXTRACTION ARMS INSTALLATION Read this entire installation section before you start installation. WARNING INSTALLATION The installer is responsible for following local safety codes and regulations. WARNING Before drilling, verify locations of existing gas, water, or electrical conduits. ELECTRIC SHOCK CAN KILL. •...
  • Page 14 FUME EXTRACTION ARMS INSTALLATION WALL MOUNTING THE For wall mounting applications: LFA 3.1 (10FT.) OR Install wall mounting brackets as detailed in the section titled “INSTALLATION OF WALL MOUNTING BRACKETS” for Operator LFA 4.1 (13FT.) ARM Manual IM10320 SF2400 Stationary Fan. Components K1655-9 –...
  • Page 15 FUME EXTRACTION ARMS INSTALLATION 3. Position the mounting assembly on a wall mounting bracket (See Figure A.3) so that the cable hole (Figure A.3, Item A) is MoUntinG tHe lfa 3.1 or 4.1 arM to tHe Wall- on the wall side. Use the four 3” bolts and nuts to secure the MoUntinG bracKet mounting assembly to the wall mounting bracket.
  • Page 16 FUME EXTRACTION ARMS INSTALLATION 5. Put another rubber band on the top of the arm. Use (2) 1.75” bolts with nuts to mount the arm (Figure A.5, Item B) to the hanging adapter (Figure A.5, Item A), using both mounting holes as indicated.
  • Page 17 FUME EXTRACTION ARMS INSTALLATION MOBIFLEX MOUNTING For Mobiflex mounting applications: Install the base swivel mount on top of the machine as detailed in LFA 3.1 / 4.1 ARM the section titled “INSTALLATION” for Operator Manual IM10335 Mobiflex 200 & 200 HE. Components K2633-7 –...
  • Page 18 FUME EXTRACTION ARMS INSTALLATION MoUntinG tHe lfa 3.1 or 4.1 arM See Figure A.9 for steps 9-12 to tHe MobifleX 9. Turn the base swivel mount so, that the stop pin (A) is in line FIGURE A.9 with the cable lead-through hole (B). See Figure A.7 for steps 1-4 1.
  • Page 19 FUME EXTRACTION ARMS INSTALLATION Electrical Connection for Lamp and Arc Sensor 8. Remove the plastic and tape packaging from the arm sections. Adjust the friction of the arm and hood movement The K2633-6 or K2633-8 LFA 3.1/4.1 Mobile Automatic extraction as described in the maintenance section of this manual.
  • Page 20 FUME EXTRACTION ARMS INSTALLATION MoUntinG tHe lta 2.0-cW eXtraction arM on WALL MOUNTING tHe MoUnt asseMbly LTA 2.0-CW ARM The recommended installation height of the wall mounting bracket is 11.5 ft. (3500 mm). If the subject work bench is lower than the Components standard height of 3.0 ft.
  • Page 21 FUME EXTRACTION ARMS INSTALLATION FIGURE A.14 ATTACHING THE ROPE CAUTION Tying the counterweight too low will affect the reach of the extraction arm. 1. Pull the arm to the longest position (See Figure A.15). FIGURE A.15 11.5 ft. (3500mm) 0.3 ft. (100mm) WARNING Failure to securely knot rope could...
  • Page 22 FUME EXTRACTION ARMS INSTALLATION ATTACHING THE COUNTERWEIGHT CASING MOUNTING OF THE EXTRACTION HOOD 4. Slide the counterweight casing (C) over the counterweight. 11. Remove the plastic and tape packaging from the arm (See Figure A.17) sections. Adjust the friction of the arm and hood movement as described in the maintenance section of this manual.
  • Page 23 FUME EXTRACTION ARMS INSTALLATION WALL MOUNTING THE 2. Mount the telescoping arm mounting bracket (A) to the wall. Standard mounting height is 63” (1600mm) from the work table to the center of the bracket. Refer to Figure A.21 for LTA 2.0 TELESCOPIC ARM FIGURE A.21 drilling dimensions.
  • Page 24 FUME EXTRACTION ARMS INSTALLATION FIGURE A.22 4. Remove the plastic and tape packaging from the arm sections. Adjust the friction of the arm and hood movement as described in the maintenance section of this manual. When set, seal all hose connections with the arm seal bands. 5.
  • Page 25 FUME EXTRACTION ARMS INSTALLATION MoUntinG tHe lfa 2.0 eXtraction arM on tHe WALL MOUNTING Wall MoUntinG bracKet LFA 2.0 ARM See Figure A.25 for steps 1-4 Components 1. Cut through the upper cable tie to release the cotter pin (Item A). 2.
  • Page 26 FUME EXTRACTION ARMS INSTALLATION 3. Position the mounting assembly on a wall mounting bracket 5. Mount the spring bracket and position the arm seal band and (See Figure A.27) so that the cable hole (Figure A.27, Item A) the flexible hose around the connection flange. is on the wall side.
  • Page 27 FUME EXTRACTION ARMS INSTALLATION MoUntinG tHe lfa 4.1-lc eXtraction arM on MOUNTING tHe Wall bracKet LFA 4.1-LC LOW CEILING See Figure A.30 for steps 1-4 1. Cut through the upper and lower cable ties (Item A). The FIGURE A.30 cotter pin is not used for wall mount applications. Components K1655-13 –...
  • Page 28 FUME EXTRACTION ARMS INSTALLATION 3. Position the mounting assembly on a wall mounting bracket 5. Mount the spring bracket and position the arm seal band and (See Figure A.32) so that the cable hole is on the wall side. the flexible hose around the connection flange. (See Figure FIGURE A.33 Use the six 3”...
  • Page 29 FUME EXTRACTION ARMS INSTALLATION EXTENSION CRANES This installation section describes installation of a: • K1671-1, 7 ft. Extension Crane (EC 2) OR K1671-2, 14 ft. Extension Crane (EC 4) with a K1655-8 LFA 3.1, 10 ft. Extraction Arm OR Do not attempt to use this equipment until you have thoroughly read K1655-9 LFA 4.1, 13 ft.

  • Page 30: Mounting The Wall Bracket

    FUME EXTRACTION ARMS INSTALLATION ” Hole (TYP-4) MoUntinG tHe Wall bracKet CAUTION 3/8" ” Before you install the wall bracket, make sure that the wall 3/8" is strong enough [minimum wall thickness: 8 in. (200 mm)]. 8" (200 mm) Locate any gas and water pipes and electric cables before drilling any holes.
  • Page 31 FUME EXTRACTION ARMS MAINTENANCE Figure A.41 MoUntinG tHe crane rail eXtension (ec 4) K1671-2, 14 ft. Extension Crane (See Figure A.41) Lift the extension part (I) and align it with the base (O). Insert a bolt 3/4-10 UNC, 7.00” long (C) subsequently through: - steel plate (B) - composite washer (D)
  • Page 32 FUME EXTRACTION ARMS INSTALLATION 15.) Mount the Rotating Hinge (D) on the Arm Mounting Brackets using the (4) 5/16-18UNC, 2.25” long, (4) MoUntinG tHe eXtension arM washers and (4) nuts. Make sure the cable hole is 13.) Mount the (2) Arm Mounting Brackets positioned in the back, pointing toward the crane rail.

  • Page 33: Safety Precautions

    FUME EXTRACTION ARMS OPERATION OPERATION General Description SAFETY PRECAUTIONS Located in the hood is a throttle valve that can be fully opened, partially opened or completely closed to control airflow. The arm features a focus extraction spoiler which directs the air into the WARNING hood.

  • Page 34: Product Combinations

    FUME EXTRACTION ARMS OPERATION WARNING proDUct coMbinations Fire hazard! If the product is used in combination with other products or machines, the safety instructions in the documentation of these Never use the product for extracting inflammable, glowing or burning particles or products also apply.
  • Page 35 FUME EXTRACTION ARMS ACCESSORIES OPTIONS/ACCESSORIES The following options/accessories are available for your Fume Extraction Arms from your local Lincoln Electric Distributor. K1657-1 SF2400 WALL MOUNTING BRACKET FOR LFA 3.1 & 4.1 Kit allows mounting of SF2400 fan and extraction arm to wall. Use K1657-1 for LFA 3.1 and 4.1 extraction arms.

  • Page 36: Maintenance

    FUME EXTRACTION ARMS MAINTENANCE MAINTENANCE service, Maintenance anD repairs WARNING • Observe the maintenance intervals given in this manual. Overdue maintenance can lead to high costs for repair and ELECTRIC SHOCK CAN KILL. can render the guarantee null and void. •...
  • Page 37 FUME EXTRACTION ARMS MAINTENANCE TABLE D.1 - PERIODIC MAINTENANCE FREQUENCY FREQUENCY Component Action Every 3 mo. Every 6 mo. CHECK THE BALANCE CONSTRUCTION OF THE BALANCE SYSTEM (ITEM A) EXTRACTION ARM. ADJUST MECHANISM IF NECESSARY. CHECK AND CLEAN WITH A NON-AGGRESSIVE OUTSIDE ARM DETERGENT.
  • Page 38 FUME EXTRACTION ARMS MAINTENANCE The extraction arms have been pre-balanced in the factory for Bring the extraction hood to a horizontal position. The hood should optimal balance and positioning. However, they sometimes need stay in this position. See Figure F.4. FIGURE F.4 - HOOD ADJUSTMENT adjustment.
  • Page 39 FUME EXTRACTION ARMS MAINTENANCE FIGURE F.7 - ARM ADJUSTMENT eXtension arM aDjUstMent Adjust the (4) bolts (Fig. F.8, Item B) at the base (Fig. F.8, Item A) to squeeze the friction blocks around the pivot pin (see Figure F.8). FIGURE F.8...
  • Page 40 FUME EXTRACTION ARMS MAINTENANCE lta 2.0 telescopic arM aDjUstMent 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 setting for side to side movement of the arm, tighten or loosen the nuts on the u-clamp (Feigner F.9 Item A) with a ½”...

  • Page 41: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.
  • Page 42 FUME EXTRACTION ARMS TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEM POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION EXTRACTION ARM CREAKS INSUFFICIENT LUBRICATION. LUBRICATE USING OIL OR GREASE. OR SQUEAKS. EXTRACTION ARM NOT IN TOO MUCH OR NOT ENOUGH ADJUST THE FRICTION USING THE UPPER BOLT ON THE MIDDLE HINGE BALANCE.
  • Page 43 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 44 LFA 3.1 WITH FLANGE - K1655-8 General Assembly PART NUMBER DESCRIPTION 9SS31226-310 LFA 3.1 10FT SUPP. STRUCT. ASSEM. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-342 BASE SWIVEL MOUNT +TUBE ASSEM. 9SS31226-35 TUBE RND EXTERNAL PLASTIC FA3 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063...
  • Page 45 LFA 3.1 WITH FLANGE - K1655-8 General Assembly P-960-C.jpg LFA 3.1 WITH FLANGE - K1655-8...
  • Page 46 LFA 4.1 WITH FLANGE - K1655-9 General Assembly PART NUMBER DESCRIPTION 9SS31226-311 LFA 4.1 13FT SUPP. STRUCT. ASSEM. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-342 BASE SWIVEL MOUNT +TUBE ASSEM. 9SS31226-95 TUBE RND EXTERNAL PLASTIC FA4 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063...
  • Page 47 LFA 4.1 WITH FLANGE - K1655-9 General Assembly P-961-C.jpg LFA 4.1 WITH FLANGE - K1655-9...
  • Page 48 LTA 2.0 T FLEX - K1655-10 General Assembly PART NUMBER DESCRIPTION 9SS31226-337 BASE LTA 2.0 ASSEM. 9SCF000055 1/4-20X2.75HHCS 9SS10888-47 HOSE CLAMP 8” 9SFC0840101030 ARM SEAL BAND 9SS31226-314 LTA 2.0 SUPP.STRUCT.ASSEM. 9SS31226-332 WRIST HINGE ASSEM. 9SCF000016 1/4-20X1.75HHCS 9SS31226-24 COVER FLEX WRIST HINGE 9SS31226-320 ROTAHOOD RND RED ASSEM.
  • Page 49 LTA 2.0 T FLEX - K1655-10 General Assembly P-962-C.jpg LTA 2.0 T FLEX - K1655-10...

  • Page 50: Plain Washer

    LFA 2.0 FLEXIBLE ARM - K1655-12 General Assembly PART NUMBER DESCRIPTION 9SS31226-313 LFA 2.0 6.5FT SUPP. STRUCT. ASSY. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-342 BASE SWIVEL MOUNT +TUBE ASSEM. 9SS31226-35 TUBE RND EXTERNAL PLASTIC FA3 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0703030260 SPACER SPRING HOSE HANG.
  • Page 51 LFA 2.0 FLEXIBLE ARM - K1655-12 General Assembly P-963-C.jpg LFA 2.0 FLEXIBLE ARM - K1655-12...
  • Page 52 General Assembly PART NUMBER DESCRIPTION 9SS31226-312 LFA 4.1 13FT LC CAB-SIDE ARM ASSEM. 9SS31226-309 LFA 4.1 13FT LC CAP-SIDE ASSEM. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-342 BASE SWIVEL MOUNT +TUBE ASSEM. 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0703030260 SPACER SPRING HOSE HANG. 9SFC0840101030 ARM SEAL BAND 9SCF000187...
  • Page 53 LFA 4.1 FLEXIBLE ARM - K1655-13 General Assembly P-964-C.jpg LFA 4.1 FLEXIBLE ARM - K1655-13...
  • Page 54 LTA 2.0 TELESCOPIC ARM - K1655-14 General Assembly PART NUMBER DESCRIPTION 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-332 WRIST HINGE ASSEM. 9SS31226-315 INTERNAL LTA 2.0 CW ASSEMBLY 9SS31226-339 MOUNT + PIVOT LTA 2.0 CW ASSEM. 9SS31226-61 WEIGHT GUIDE LTA2 CW ASSEMBLY 9SFC0850101080 COUNTER WEIGHT LTA 2.0 ASSEM.
  • Page 55 LTA 2.0 TELESCOPIC ARM - K1655-14 General Assembly P-965-C.jpg LTA 2.0 TELESCOPIC ARM - K1655-14...
  • Page 56 LFA 3.1 - K2633-5 General Assembly PART NUMBER DESCRIPTION 9SS31226-310 LFA 3.1 10FT SUPP. STRUCT. ASSEM. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-35 TUBE RND EXTERNAL PLASTIC FA3 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063 5/16-18X2.00HHCS 9SCF000016 1/4-20X1.75HHCS 9SS9262-98 PLAIN WASHER 9ST9187-16...
  • Page 57 LFA 3.1 - K2633-5 General Assembly P-966-C.jpg LFA 3.1 - K2633-5...
  • Page 58 LFA 3.1 - K2633-6 General Assembly PART NUMBER DESCRIPTION 9SS31226-310 LFA 3.1 10FT SUPP. STRUCT. ASSEM. 9SS31226-322 ROTAHOOD RND RED WL-AST ASSEM. 9SS31226-35 TUBE RND EXTERNAL PLASTIC FA3 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063 5/16-18X2.00HHCS 9SCF000016 1/4-20X1.75HHCS 9SS9262-98 PLAIN WASHER...
  • Page 59 General Assembly P-967-C.jpg LFA 3.1 - K2633-6...
  • Page 60 LFA 4.1 - K2633-7 General Assembly PART NUMBER DESCRIPTION 9SS31226-311 LFA 4.1 13FT SUPP. STRUCT. ASSEM. 9SS31226-320 ROTAHOOD RND RED ASSEM. 9SS31226-95 TUBE RND EXTERNAL PLASTIC FA4 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063 5/16-18X2.00HHCS 9SCF000016 1/4-20X1.75HHCS 9SS9262-98 PLAIN WASHER 9ST9187-16...
  • Page 61 LFA 4.1 - K2633-7 General Assembly P-968-C.jpg LFA 4.1 - K2633-7...
  • Page 62 LFA 4.1 - K2633-8 General Assembly PART NUMBER DESCRIPTION 9SS31226-311 LFA 4.1 13FT SUPP. STRUCT. ASSEM. 9SS31226-321 ROTAHOOD RND RED WL-AST ASSEM. 9SS31226-95 TUBE RND EXTERNAL PLASTIC FA4 9SS31226-24 COVER FLEX WRIST HINGE 9SFC0840101030 ARM SEAL BAND 9SCF000063 5/16-18X2.00HHCS 9SCF000016 1/4-20X1.75HHCS 9SS9262-98 PLAIN WASHER...
  • Page 63 LFA 4.1 - K2633-8 General Assembly P-969-C.jpg LFA 4.1 - K2633-8...
  • Page 64 THIS PAGE INTENTIONALLY LEFT BLANK...
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  • Page 66 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 AVISO DE No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
  • Page 67 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- AVISO DE Desconectar el cable de ali- No operar con panel abierto o...
  • Page 68 We respond to our customers based on the best information applicable OSHA PEL and ACGIH TLV limits. in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

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