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Lincoln Electric FLEXTEC 450 - page 1
FLEXTEC ™ 450 O P E R A TO R ’ S M A N U A L For u se with machines Code 11626, 11754 IM1 0 062-A September, 2010 (165DI5@5>4C?>.?E 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 thoughtful operation on your part. ...
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Lincoln Electric FLEXTEC 450 - page 2
$'## @?G5B545AE9@=5>D 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors. ________________________ ...
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Lincoln Electric FLEXTEC 450 - page 3
99 (). 99 ARC R A Y S can bur n. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4. b. Use suitable clothing made from durable flame-resistant material to protect ...
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Lincoln Electric FLEXTEC 450 - page 4
999 (). 999 FOR ELECTRIC ALL Y pow ered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8 .b . Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’s recommendations. 8.c. Ground the equipment in accordance with the U ...
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Lincoln Electric FLEXTEC 450 - page 5
9F (). 9F %'K*)$#((X')K 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: (MB5DL%?EB(?E4175!ZB3 1. Protegez-vous contre la se ...
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Lincoln Electric FLEXTEC 450 - page 6
F F Thank Y ou for selecting a &*!). 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! '514D89C$@5B1D?BC "1>E1<3?=@<5D5<I before attempting to use this equipment. Save this manual an ...
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Lincoln Electric FLEXTEC 450 - page 7
F9 F9 ) !$$#)#)( Page >CD1<<1D9?> ? ...
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Lincoln Electric FLEXTEC 450 - page 8
!-)Q #() !! )$# )#! (% )$#( !-)Q ' ) $*)%*) %$,'($*'#%*)+$! ) #*''#) "?45< K2882-1 EDII3<5 60% rating 10 ...
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Lincoln Electric FLEXTEC 450 - page 9
#() !! )$# !-)Q %.(!"#($#( )"%' )*''#( ) 18.80in (478mm) "$! K2882-1 ,) 14.14in (359mm) %) 26.66in (677mm) ,) 125lbs (56.6kg) $%')#? ...
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Lincoln Electric FLEXTEC 450 - page 10
#() !! )$# (!)(*) !!$ )$# !$)$##+#)!)$#$'$$!# Place the welder where clean cooling air can freely circulate in through the rear louvers and out through the case sides. Dirt, dust, or any foreign material that can be d ...
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Lincoln Electric FLEXTEC 450 - page 11
#() !! )$# #%*) *( # (*%%! . ,' $#(' )$#( Refer to Specification in this Installation Section for recommended fuse, wire sizes and type of the copper wires. Fuse the input circuit with the recommended super lag fuse or delay type breakers (also cal ...
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Lincoln Electric FLEXTEC 450 - page 12
#() !! )$# !-)Q %9> A B C D E F ,9B9>7 77 Remote potentiometer, 5K 76 Remote potentiometer, wiper 75 Remote potentiometer, common Trigger, common Trigger, input Ground !$##)$#( See *' for locating @9> and ? ...
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Lincoln Electric FLEXTEC 450 - page 13
#() !! )$# !-)Q '$""# !)'$ # ,$' !(/($' ',!# 5>5B1<E945<9>5C Connect the electrode and work cables between the appropriate output ...
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Lincoln Electric FLEXTEC 450 - page 14
$%' )$# !-)Q (). %'*)$#( '514 D89C 5>D9B5 C53D9?> ?6 ?@5B1D9>7 9>CDBE3D9?>C 256?B5?@5B1D9>7D85=1389>5 !)'($ 31>;9<< O*><5CC EC9>7 3?<4 6 ...
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Lincoln Electric FLEXTEC 450 - page 15
$%' )$# !-)Q %'$*)('%)$# The Flextec™ 450 is a multi-process CC/CV DC inverter and is rated for 450 amps, 38 volts at a 60% duty cycle. The Flextec is intended for both factory and field operation. It comes in a compact, rugged case that is designed for po ...
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Lincoln Electric FLEXTEC 450 - page 16
$%' )$# '$""#%'$((( # &*%"#) '$""#%'$((( The Flextec™ 450 is designed for CC-SMAW, CC-GTAW (lift tig), CV-GMAW, CV-FCAW-SS and CV-FCAW-GS welding processes. CAG (arc gouging) is also supp ...
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Lincoln Electric FLEXTEC 450 - page 17
$%' )$# ('$#)$#)'$!('%)$#( (See Figure B.1) %?G5B(G9D38 +?<D1759C@<1I"5D5B =@5B1759C@<1I"5D5B )85B=1<! $ED@ED?>DB?<91< ,5<4%B? ...
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Lincoln Electric FLEXTEC 450 - page 18
$%' )$# !-)Q ( $#)'$! (See Figure B.2) >@ED%?G5B?B4335CC?<5 1 1 *' $""$#,!#%'$*'( " #,! )85 C5BF935129&l ...
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Lincoln Electric FLEXTEC 450 - page 19
$%' )$# =@5B1759C@<1I"5D5B • Prior to STICK or TIG operation (current flow), the meter displays preset current value. • Prior to CV operation, the meter displays four dash- es indicating non-presettable AMPS. • During welding, this meter displays actual average amps. • After welding, the ...
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Lincoln Electric FLEXTEC 450 - page 20
$%' )$# ) , This weld mode is a constant current (CC) mode featuring con- tinuous control from 10 – 500 amps. It is intended for the GTAW TIG welding processes. ?D (D1BD The Hot Start control regulates the starting current at arc initiation. Hot Start can be set to V$66W and no additional c ...
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Lincoln Electric FLEXTEC 450 - page 21
$%' )$# + ##'(! This weld mode is a constant voltage (CV) mode fea- turing continuous control from 10 to 45 volts. It is intended for the FCAW-SS welding process and arc gouging. ?D (D1BD U Toggle to V$#W position to provide more energy during the start of a weld. B3 ? ...
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Lincoln Electric FLEXTEC 450 - page 22
(($'( $%)$#( (($'( 5>5B1<$@D9?>C Work Lead Package. 10ft. Weld Power Cable (Lug to Lug). >F5BD5B 1>4 ,9B5 5545B 1BD Rear-wheeled cart includes front casters and no-lift gas bottle platform. ...
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Lincoln Electric FLEXTEC 450 - page 23
"#)## %'$Y"#)## )85B=1<%B?D53D9?> Thermostats protect the machine from excessive operating temperatures. Excessive temperatures may be caused by a lack of cooling air or operating the machine beyond the duty cycle and output rating. If excessive operating ...
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Lincoln Electric FLEXTEC 450 - page 24
)'$*!($$)# !-)Q If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your !?31<!9>3?<>ED8?B9J5495<4(5BF935139<9DI for technical troubleshooting assistance before you proceed. ...
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Lincoln Electric FLEXTEC 450 - page 25
)'$*!($$)# !-)Q 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 !?31<!9>3?<>ED8?B9J5495<4(5BF935139<9DI ...
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Lincoln Electric FLEXTEC 450 - page 26
)'$*!($$)# !-)Q 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 !?31<!9>3?<>ED8?B9J5495<4(5BF935139<9DI ...
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Lincoln Electric FLEXTEC 450 - page 27
'"( !-)Q #$) This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Departme ...
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Lincoln Electric FLEXTEC 450 - page 28
'"( !-)Q #$) This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Departme ...
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Lincoln Electric FLEXTEC 450 - page 29
"#($#%'#) !-)Q L15698 A.01 26.66 18.78 14.14 26.51 13.06 L1 56 98 A.01 26.66 18.78 14.14 26.51 13.06 ...
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Lincoln Electric FLEXTEC 450 - page 30
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Lincoln Electric FLEXTEC 450 - page 31
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Lincoln Electric FLEXTEC 450 - page 32
W ARNING A VISO DE PREC A UCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF A CTURER’S INSTR UCTION FOR THIS EQUIPMENT AND THE CONSUMABLES T O BE USED AND FOLL O W Y OUR EMPL O YER’S SAFETY PRA CTICES. SE RECOMIEND A LEER Y ENTENDER LA S INSTR UCCIONES DEL F ABRIC ...
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Lincoln Electric FLEXTEC 450 - page 33
W ARNING A VISO DE PREC A UCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREEND A AS INS TRUÇÕES DO F ABRICANTE P ARA ESTE EQ UIP AMENT O E AS P AR TES DE USO , E SIGA A S PRÁTICA S DE SEGUR ANÇA DO EMPREGADOR. • Kee p y our head o ut of fumes. • Use ve ntil ation or exh aust t ...
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Lincoln Electric FLEXTEC 450 - page 34
• 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 • ...
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