Lincoln Electric IM491-B - Manual

– 5 – TABLE OF CONTENTS Page Safety Precautions .............................................................................................................2-4Introductory Information .......................................................................................................6Specificati...

– 6 – Thank You for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manu...

– 7 – SPECIFICATIONS Type K1394-* and K1395-*K880-1[25Ft.(7.6m)Cable] & K880-2 [50Ft.(15.2m)Cable] Magnum PCT125 Air Cooled Torch Input Frequency 50 or 60 Hz, 3ø Output Rating 125 Amps, 148 volts, 60% Duty Cycle110 Amps, 140 volts, 80% Duty Cycle100 Amps, 135 volts, 100% Duty Cycle Pilot Current...

INSTALLATION SAFETY PRECAUTIONS ● Read the safety precautions at the beginning ofthis Operator's Manual before proceeding. ● O n l y p e r s o n n e l t h a t h a v e r e a d a n d u n d e r -s t o o d t h i s Operating Manual should install andoperate this equipment. ● Machine must be connected to ...

Input Voltage / Hz. 230/60 460/60 220/50/60 380/50/60 440/50/60 3 Input Wires #3 (25mm 2 ) #8 (10mm 2 ) #3 (25mm 2 ) #6 (16mm 2 ) #8 (10mm 2 ) 1 Grounding Wire #8 (10mm 2 ) #8 (10mm 2 ) #8 (10mm 2 ) #8 (10mm 2 ) #8 (10mm 2 ) ELECTRICAL INPUT CONNECTION Before starting the installation, check with th...

AIR INPUT CONNECTIONS A source of clean compressed air or nitrogen must besupplied to the PRO-CUT. The supply pressure mustbe between 80 and 150 psi (551 and 1034 kPa). Theflow rate is approximately 8.0 cfm. Oil in the air is avery severe problem and must be avoided. Remove the plastic thread protec...

In All Cases: • D o n o t p a u s e w h e n c u t t i n g o r g o u g i n g t h e metal. This is not necessary and causes opera-tional difficulty. Pausing at the edge of the work-piece causes poor consumable life and erraticoperation. • Always position the torch in the best way to keep dross and hot...

MAINTENANCE PROCEDURES ROUTINE MAINTENANCE 1. Keep the cutting or gouging area and the areaaround the machine clean and free of com -bustible materials. No debris should be allowedto collect which could obstruct air flow to themachine. 2. Every few months, blow the dust off the airintakes and louver...

– 20 – STATUS LIGHTS CONDITION SUGGESTIONS MACHINE ON Should always be on when machine is on. Normal OUTPUT ON On when there is voltage potential at the Normal torch (cutting or pilot). OUTPUT ON is blinking alternately withAIR PRESSURE when power is first There is a problem with the microprocessor,...

– 22 – PROCEDURE FOR REPLACING PC BOARDS Before replacing a PC board which is suspected ofbeing defective, visually inspect the PC board in ques-tion for any damage to any of its components andconductors on the back of the board. If there is no visible damage to the PC board, install a new one and s...

– 24 – PCT 125 AMP PLASMA TORCH 2-10-92 Parts List P-210-C 1 7 6 12 5 9 4 11 13 10 2 2 3

– 28 – CASE BACK ASSEMBLY Parts List P-207-D 1-7-92 L8348 5-28-93 1 2 3 4 6 5 1 Case Back L7753-1 1 2 Fan & Baffle Asbly, Includes: M15585 1 * Fan Baffle L7666 1 * Fan Blade M8678-2 1 * Fan Motor M8895-5 1 * Fan Mounting M14064 1 * Self Tapping Screw S8025-70 4 * Self Tapping Screw S8025-65 4 3 ...

– 29 – SOLENOID ASSEMBLY Parts List P-207-E S18667-5 1 2 3 4 5 1 0 7 8 9 1 Hose Nipple (Male) T14557-11 1 2 Solenoid S18127-4 1 3 Pipe Tee T10366 1 4 Pressure Switch S18638-1 1 5 PC Board Plug S14156-1 1 8 Hex Nipple T11289-3 1 9 Male Run Tee S19932-1 1 10 Solenoid S18127-5 1 Part No. Item Descripti...

– 30 – REGULATOR AND FILTER ASSEMBLY 1 2 3 4 IN 6 8 9 1 0 Parts List P-184-E 1 Filter/Regulator Asbly M16480 1 * Filter Element (.50 ID x 1.14” Long) M16480-B 1 * Panel Mounting Nut M16480-C 1 2 Oil/Coalescing Filter S19865 1 * Filter Element (.45 ID x 1.16” Long) S18637-2 1 * Filter Element (.56 ID...

– 31 – INPUT BOX ASSEMBLY Parts List P-207-F L8322-1 6-12-96 A C 2 A C 1 L1 L2 L3 L1 L2 L3 5 1 4 7 1 2 4 C R 2 1 9 C R 1 1 8 6 W V U R E A RV I E W F R O N TV I E W A C 3 2 0 T2 T1 T3 1 7 2 1 1 Input Box L8285 1 2 Heat Sink L8323 1 * Thread Forming Screw S9225-8 4 4 Reconnect Panel Asbly M16365-1 1 ...

– 32 – HI FREQ BOARD ASSEMBLY Parts List P-207-G 6-12-96 L9320 6-12-96 1 3 2 1 0 1 2 6 PILOT WORK 1 4 1 8 1 7 2 0 1 Mounting Board Asbly S19700 1 2 Carriage Bolt T11827-23 1 * Hex Nut 1/4-20 2 * Brass Hex Nut 1/4-20 1 3 Sems Screw T10082-8 1 * Hex Nut (Brass) #10-24 1 * Wing Nut T9968-4 1 6 Carriage...

– 33 – CASE FRONT ASSEMBLY Parts List P-184-D 2-5-93 L7713 5-28-93C 1 2 3 4 5 6 9 7 8 1 2 1 3 1 Case Front G1873-1 1 2 Nameplate (Domestic) L8315 1 2 Nameplate (Export) L8354 1 3 PC Board Asbly M16301-1 1 * Self Tapping Screw S8025-71 4 4 Reset Button (S2) T15089 1 5 Run/Purge Switch (S2) T10800-13 ...

– 34 – FIGURE 1- SINGLE VOLTAGE FIGURE 1- DUAL & TRIPLE VOLTAGE 3. REMOVE HEX NUTS AND POSITION LINKS AS SHOWN. REPLACE AND TIGHTEN ALL HEX NUTS. NOTE: MACHINES ARE SHIPPED FROM FACTORY CONNECTED THE LINCOLN ELECTRIC CO., CLEVELAND, OHIO U.S.A. 2. CONNECT TERMINAL MARKED TO GROUND PER NATIONAL E...

– 35 – FIGURE 2 ELECTRIC TORCHES Do not operate with covers removed Disconnect input power before servicing Do not touch electrically live parts Only qualified persons should install, use or service this equipment T H E L I N C O L N E L E C T R I C C O . C L E V E L A N D , O H I O U . S . A . P I ...

– 37 – Now Available...12th EditionThe Procedure Handbook of Arc Welding With over 500,000 copies of previous editions published since 1933, the Procedure Handbook is considered by many to be the “Bible” of the arc welding industry. T h i s p r i n t i n g w i l l g o f a s t s o d o n ’ t d e l a y...