Page 2 - PERFORMED ONLY BY QUALIFIED INDIVIDUALS.; WARNING; PLASMA CUTTING or GOUGING can be hazardous.; SAFETY
PYTHON PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY OR DEATH. KEEP CHILDRENAWAY. PACEMAKER 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 pur-chase a cop...
Page 3 - ELECTRIC AND MAGNETIC FIELDS; ii
PYTHON FOR ELECTRICALLYpowered equipment. 6.a. Turn off input power using the disconnectswitch at the fuse box before working on theequipment. 6.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s rec-ommendations. 6.c. Ground the equipme...
Page 4 - NOTES; iii
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
PYTHON iv SAFETY iv Mar. ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vou...
Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately
v v 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 manual...
Page 7 - TABLE OF CONTENTS
vi TABLE OF CONTENTS Page Installation .......................................................................................................................Section A Technical Specifications .......................................................................................................A-1S...
Page 8 - vii
vii TABLE OF CONTENTS Page Maintenance ....................................................................................................Section D Safety Precautions ................................................................................................D-1Input Filter Capacitor Discharge ...
Page 9 - INSTALLATION; TECHNICAL SPECIFICATIONS - PYTHON; THREE PHASE; Depth
A-1 INSTALLATION A-1 TECHNICAL SPECIFICATIONS - PYTHON RATED OUTPUT OUTPUT RECOMMEND INPUT WIRE AND FUSE SIZES REQUIRED GAS FLOW RATE REQUIRED GAS INLET PRESSURE Duty Cycle 60% Duty Cycle 100% Duty Cycle Current Range 35-85 Amps Open Circuit Voltage MAX 335 VDC For all plasma cutting applications Ba...
Page 10 - SAFETY PRECAUTIONS; STACKING; DO NOT; TILTING
A-2 INSTALLATION A-2 Read entire Installation Section before installing thePYTHON. SAFETY PRECAUTIONS ELECTRIC SHOCK CAN KILL. • O n l y q u a l i f i e d p e r s o n n e l should install this machine. • Turn the input power OFF at the disconnect switch or fuse box and discharge inputc a p a c i t o...
Page 11 - POWER INPUT CONNECTION; CORD INSTALLATION
PYTHON A-3 INSTALLATION A-3 INPUT ELECTRICALCONNECTIONS Before installing the machine, check that input supplyvoltage, phase, and frequency are the same as themachine's voltage, phase, and frequency as specifiedon the machine's rating plate. The PYTHON should be connected only by a qualifiedelectric...
Page 12 - FRAME GROUNDING; ONLY; while the; USE ON ENGINE DRIVEN POWER SUPPLIES; AC Wave Form Restrictions; * The 230 VAC auxiliaries of Lincoln engine drives; Input Power Restrictions
PYTHON A-4 INSTALLATION A-4 FRAME GROUNDING The frame of the PYTHON must be properly ground-ed. A ground terminal marked is mounted on thecase bottom directly behind the input power switch forthis purpose. The cable that is sent attached to themachine is connected to this ground terminal. See theNat...
Page 13 - GAS INPUT CONNECTIONS; • Pressure gage, located on the front of the; OUTPUT CONNECTIONS; Torch Connection
PYTHON A-5 INSTALLATION A-5 GAS INPUT CONNECTIONS Supply the PYTHON with clean compressed air ornitrogen. • S u p p l y p r e s s u r e m u s t b e b e t w e e n 8 0 p s i and 120 psi. • Pressure gage, located on the front of the machine, should be set to approximately 70PSI for a 25 ft. torch and 7...
Page 14 - OPERATION
B-1 OPERATION B-1 Read and understand this entire section before oper-ating the machine. SAFETY PRECAUTIONS NOTE: All P.C. boards are protected by a moisture resistant coating. When the plasma cutter is operated, this coatingwill "bake off" of certain power resistors that normally oper-ate a...
Page 15 - USER RESPONSIBILITY
B-2 OPERATION B-2 USER RESPONSIBILITY Because design, fabrication, erection and cutting vari-ables affect the results obtained in applying this typeof information, the serviceability of a product or struc-ture is the responsibility of the user. Variation such asplate chemistry, plate surface conditi...
Page 16 - CUTTING CAPABILITY; CONSUMABLE LIFE
PYTHON B-3 OPERATION B-3 CUTTING CAPABILITY The PYTHON is rated at 80 amps, at 60% duty cycle on a 10 minute basis or 60 amps, at 100% duty cycle. If theduty cycle is exceeded, a thermal protector will shut off the output of the machine until it cools to the normal oper-ating temperature. Figure B.1...
Page 17 - LIMITATIONS; TURN THE MAIN POWER AND THE MACHINE
B-4 OPERATION B-4 LIMITATIONS Do not exceed the output current and duty cycle ratingof machine. Do not use the PYTHON for pipe thawing. CONTROLS AND SETTINGS When preparing to cut or gouge, position the machineas close to the work as possible. Make sure you haveall materials needed to complete the j...
Page 18 - ELECTRIC SHOCK CAN KILL.
B-5 OPERATION B-5 • H o l d t h e n o z z l e s t a n d o f f 1 / 8 ” ( 3 . 2 m m ) t o 3 / 1 6 ” (4.7mm) above the workpiece during cutting. Do notlet the nozzle touch the work or carry a long arc. • Keep moving while cutting. Cut at a steady speed without pausing. Maintain the cutting speed so tha...
Page 19 - PILOT ARC DISCUSSION; General - In All Cases; CURRENT CONTROL SHOULD BE SET BELOW; THICK SECTIONS OF METAL:; THE NOZZLE SHOULD NOT BE DRAGGED ON
B-6 OPERATION B-6 PILOT ARC DISCUSSION The PYTHON has a smooth, continuous pilot arc.The pilot arc is only a means of transferring the arc tothe workpiece for cutting. Repeated pilot arc starts, inrapid succession, is not recommended as these startswill generally reduce consumable life. Occasionally...
Page 20 - MACHINE INTERFACE
B-7 OPERATION B-7 S u g g e s t i o n s f o r E x t r a U t i l i t y f r o m t h ePYTHON System: 1. Occasionally an oxide layer may form over the tip of the electrode, creating an insulating barrierbetween the electrode and nozzle. This will resultin the tripping of the PYTHON's safety circuit.When...
Page 21 - ACCESSORIES; NOZZLES
C-1 ACCESSORIES C-1 ALWAYS USE GENUINE LINCOLNE L E C T R I C E L E C T R O D E S A N DVORTECH ™ NOZZLES • Only Genuine Lincoln Electric consumables yield the best cutting performance for the PYTHON. • T h e p a t e n t e d V O R T E C H ™ n o z z l e p r o v i d e s a n extra “ kick ” of swirl as t...
Page 22 - MAINTENANCE; ELECTRIC SHOCK; LOCATION OF INPUT FILTER CAPACITOR TERMINALS.
PYTHON D-1 MAINTENANCE D-1 INPUT FILTER CAPACITORDISCHARGE PROCEDURE 1. Turn off input power or disconnect input power lines. 2. Remove the 5/16" hex head screws from the side and top of the machine and remove wrap-aroundmachine cover. 3. Be careful not to make contact with the capacitor termina...
Page 23 - ROUTINE MAINTENANCE
D-2 MAINTENANCE D-2 ROUTINE MAINTENANCE 1. Keep the cutting or gouging area and the area around the machine clean and free of combustiblematerials. No debris should be allowed to collectwhich could obstruct air flow to the machine. 2. Every 6 months or so, the machine should be cleaned with a low pr...
Page 24 - TROUBLESHOOTING; CAUTION; Turn off machine at the disconnect
PYTHON E-1 TROUBLESHOOTING E-1 If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact yourLocal Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUTION This Troubleshooting Guide is...
Page 25 - Local Lincoln Authorized Field Service Facility; PROBLEMS; Contact
E-2 TROUBLESHOOTING E-2 Observe all Safety Guidelines detailed throughout this manual 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 b...
Page 29 - STATUS BOARD INDICATORS
PYTHON E-6 TROUBLESHOOTING E-6 Observe all Safety Guidelines detailed throughout this manual STATUS BOARD INDICATORS SYMPTOM Machine is unresponsive immediately afterpower-up. The Air Low LED is lit The Safety LED is flashing The Safety LED is lit and steady The Thermal LED is lit The “ Ready ” , “ ...
Page 30 - DIAGRAMS; ram for a particular code is pasted inside; WIRING DIAGRAM - PYTHON CODE 10627
F-1 DIAGRAMS F-1 PYTHON NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag ram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for ...
Page 31 - WIRING DIAGRAM - PYTHON CODE 10656
F-2 DIAGRAMS F-2 PYTHON L10936 10K 5 5 212 10 219 13 14 212 1 POWER U - ELEC XFER X40 X4 5,6 AIR SOL 7,8 ELEC SOL J34 J32 3 TRIGGER 11 12 CHOKE 0.6A 5 TP3 B N CASE FRONT BASE PROTECTIVE BONDING CIRCUIT A A 4 S LEFT SIDE OF MACHINE S BK-IN 2 R 218 3 S BK-OUT 217 S3 PSI_SET 302 E C 51 404 R N CONTROL ...
Page 32 - WI
F-3 DIAGRAMS F-3 PYTHON L12068 WI R IN G D IAGR AM (FOR CODE 11025) 14 13 21 2 10 21 9 POWE R 5 64 H5 U 10K 21 2 56 TP1 5 C C 20 7A 1 9 - EL EC XFER X4 0 X4 J36 J38 1,7 T RI GG ER CHOKE 0.6A 5 TP3 B N CA SE FRO NT BASE PROTECTIVE BO N DING CIR CUIT A A 4 S LEFT S IDE O F MACHINE S BK-IN 2 R 21 8 3 S...
Page 34 - DIMENSION PRINT - PYTHON; YTHON
F-5 DIAGRAMS F-5 PYTHON 16.41 22.50 3.50 13.71 29.50 CC-UF M19195 DIMENSION PRINT - PYTHON P YTHON
Page 35 - ÇÃ
WARNING AVISO DE PRECAUCION ATTENTION WARNUNG ATEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BEUSED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS I...
