Manuale d’uso / di manutenzione del prodotto LN-9 GMA del fabbricante Lincoln Electric
Vai alla pagina of 70
IM355-C June, 2010 )165CH 5?5=4B >=/ >D Lincoln arc welding equipment is designed and built with safe- ty in mind. However , your overall safety can be increased by proper installation.
%( $$ ?>F5A54 5@D9?<5=C 1.a. T urn 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.
)*/ 99 99 ARC RA Y S can bur n. 4.a. Use a shield with the proper filter and cov er plates to pr otect your ey es from spar ks and the ray s of the arc when welding or observing open arc welding. Headshield and filt er lens should conform to ANSI Z87 .
)*/ 999 999 FOR ELECTRIC ALL Y pow er ed equipment. 8.a. T urn of f input power using the disconnect switch at the fuse bo x befor e working on the equipment. 8.b . Install equipment in accordance with the U.S . National Electrical Code , all local codes and the manufactur er ’ s recommendations .
)*/ 9E 9E &(K+*%$) )S(*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: Sûreté Pour Soudage A L’Arc 1.
E E Thank Y ou f or selecting a QU ALITY product by Lincoln Electr ic. We want you to t ake pride in operating this Lincoln Electric Company pr oduct ••• as much pr ide as we hav e in br inging this pr oduct to you! Read this Operator s Manual completel y befor e at tempting to use this equipment.
* " % %$*$*) E9 E9 Page )165CH .................................................................................................................................................i-iv =BC1;;1C9>= .......................
* " %T%$*$*) (cont’d) E99 E99 Drive Roll Installation ..................................................................................................................B-9 Changing Drive Rolls for 2-Roll Wire Feeders ...
* " %T%$*$*) (cont’d) E999 E999 Gun and Cable Maintenance ......................................................................................................D-2 Proper Speed Sensor Motor Mounting .....................
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A *$" )& *%$) $&+* &%-( Supplied by power source: 1 15 V AC, 50/60 Hz.
$)* ""$ * "$ # (%"" $ (%"" #%") ** $ * -( (")* $ Both the 2-Roll and 4-Roll LN-9 GMA are shipped with- out the wire reel stand attached.
(%+*$ * "*(% The electrode supply may be either from reels, Readi- Reels, spools, or bulk packaged drums or reels. Observe the following precautions: • The electrode must be routed to the wire feed unit so that the bends in the wire are at a minimum.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A +(P )*($ (".
Figure A.9 is a connection diagram for connecting the LN-9 GMA to V300 power sources. The connection is made with a K596 cable assembly , which has an amphenol connection rather than a terminal strip con- nection at the power source.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.4 – CONNECTION OF LN-9 GMA TO DC-250, DC-400, and CV/CVI POWER SOURCES Above diagram shows electrode connected positive.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.5 – CONNECTION OF LN-9 GMA TO DC-600 POWER SOURCES Above diagram shows electrode connected positive.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.6 – CONNECTION OF LN-9 GMA TO DC-1000 POWER SOURCES Above diagram shows electrode connected positive.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.7 – CONNECTION OF LN-9 GMA TO PULSE POWER 500 POWER SOURCES Above diagram shows electrode connected positive.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.8 – CONNECTION OF LN-9 GMA TO IDEALARC R3S-400, R3S-600, R3S-800 POWER SOURCES Above diagram shows electrode connected positive.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A FIGURE A.9 – CONNECTION OF LN-9 GMA TO V300 POWER SOURCES N.A. Welding cable must be sized for current and duty cycle of application.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A #$ (%+$$ LN-9 GMA wire feeders are grounded to the power source through the input cable.
$)* "" *%$ "$ # 1=4"$ #-9A5 5545A %$$*$ * +$ " *% * -( ( A variety of gun and cable assemblies are available for the LN-9 GMA models.
%%!$ +&# )"$ ) /"$( <1H 5G?;>45 96 41<1754 • Gas under pressure is explosive. •· Always keep gas cylinders in an upright position and always keep them chained to the undercarriage or a stationary support.
"$ # 1=4"$ #-9A5 5545A %&( *$ $)*(+*%$) Read and understand this entire section of operating instructions operating the machine.
$(" )(&*%$ The LN-9 GMA 2-Roll and 4-Roll semiautomatic wire feeder models feature the precise "set and forget" dig- ital procedure control and the other welding and oper- ator features pioneered by the original LN-9 models.
%$)* $* ,%" * &%-( )%+() The following welding system power sources are avail- able for use with all LN-9 GMA models: The Idealarc ® DC-250, DC-400, .
%&( *%$ "$ # 1=4"$ #-9A5 5545A %$*(%")$ )**$) Operator controls for LN-9 GMA models are shown in Figure B.3. Controls for LN-9F models are shown in Figure B.
+( P -( ( %$*(%") %( "$# %&( *%$ "$ # 1=4".
%&( *%$ "$ # 1=4"$ #-9A5 5545A +( P -( ( %$*(%&q.
%&( *%$ "$ # 1=4"$ #-9A5 5545A (+* (!($ (%+$$ ".
If such a grounding lead fault occurs, the meter will still be on and will be reading. The trigger circuit will not operate, however . T o release the circuit, press the "GLP Reset" button. See Figure B.3 or B.4 for the location of this button.
(, (%""$)* "" *%$ $$ (, (%"") %( (%"" -( () T o change drive rolls on a 2-roll wire feeder , refer to Figure B.5 and perform the following steps.
CLAMPING COLLAR DRIVE ROLL HALVES SPACER (IF REQ'D) KEY OUTPUT SHAFT GUIDE TUBE DETAIL OUTGOING GUIDE TUBE INSERT OUTGOING GUIDE TUBE LARGE RADIUS DRIVE ROLL INCOM.
$$ (, (%"") %( (%"" -( () T o change drive rolls on a 4-roll wire feeder , refer to Figure B.6 and perform the following steps. NOTE: Although an LN-9 GMA model is shown in Figure B.
%&( *%$ "$ # 1=4"$ #-9A5 5545A CLAMPING COLLAR SPACER (IF REQUIRED) DRIVE ROLL HALVES OUTGOING GUIDE T.
%&( *%$ "$ # 1=4"$ #-9A5 5545A -( "%$ ">149=7 1 C>.
"%$ *% " *% ! )&%%" #*( %( .
"%$ $ " %") %$ R )&$" ! >A ! -9A5(55; )C1=4 +)* .
$"*(% $(! +)*#$* 1. T urn the reel until the free end of the electrode is accessible. 2. While tightly holding the electrode, cut off the bent end. Straighten the first 6 inches.
%&( *%$ "$ # 1=4"$ #-9A5 5545A " (%""&())+( )**$ T.
#!$ *)* -"$ +)*$ "$ # ()&%$) $ )* (*$ (*()*) +)* * &%-( )%+( >A 1.
,%" * %$*(%"()&%$) The LN-9 GMA is provided with selectable voltage con- trol response. Proper setting depends on the power source and process being used. Refer to the appropri- ate power source connection diagram for the proper connection of the jumpers located on the LN-9 GMA V oltage Board.
#!$ -" 1. Inch the electrode through the gun and cable and then cut the electrode within approximately 3/8" of the end of the contact tip for solid wire and within approximately 3/4" of the extension guide for cored wire.
+."( / '+&#$* %$* *) The power for 1 15 volt AC auxiliary equipment can be obtained from the terminals inside the LN-9 GMA con- trol box. The contacts are “hot” whenever the trigger is pressed or the unit is welding.
** $ * -((" )* $) The mounting hardware for mounting the stands is included with the LN-9 GMA. Screws and washers are inserted in their respective mounting holes. T o con- nect: 1. Remove the three 3/8 in.
+$,()"-( (")* $ ! Includes a 2" (51mm) O.D. Spindle with adjustable brake and two locations for mounting the spindle to allow for the mounting of 50 - 60lb, 10 - 30 lb, 13 - 14lb, and 8" O.
-( ())%() +($! *#(!* ! Provides a precise control of the electrode burnback at the end of the weld. Prevents crater sticking and provides proper stickout for starting the next weld.
))%() "$ # 1=4"$ #-9A5 5545A # *#( !*! Provides the following functions: 1. Preflow Control - Provides flow of shielding gas to the work before the arc is established.
))%() "$ # 1=4"$ #-9A5 5545A )-,"&" *%(# ! For all LN-9 GMA wire reel stand combinations. For mounting wire feeder-wire reel stand assembly on top of suitable Lincoln Idealarc power sources.
! #$*)& ( *%( The K58 is a permanent magnet type separator designed to fit the top of the standard fill funnel of the continuous flux feed system.
))%() "$ # 1=4"$ #-9A5 5545A * " P(, (%""$+ *+ !*) -9A5)9I5 !9C (>;; (>;; )>;94 )C55;;53CA>45 0.
)*/ &(+*%$) "*(T)%! 31=:9;; • Only qualified personnel should perform this maintenance. • T urn the input supply power OFF at the disconnect switch or fuse box before working on this equipment.
+$$ " #$*$$ For instructions on periodic maintenance for the weld- ing gun and cables, refer to the manual for your specif- ic model of welding gun.
The following Figures D.2 and D.3 should serve as a guide to determine if a particular gun or switch can be connected to the LN-9 GMA and LN-9F GMA. QR 91<5C5A>;5 C> 25.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A If for any reason you do not understand the test procedures or are .
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) Drive rolls turn but wire will not feed, or wire feeding is rough or uneven. &%))"()% #) +)*#$*) 1.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) Gun trigger will not feed wire. Digital meter is not lit. &%))"()% #) +)*#$*) 1.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) Gun trigger will not feed wire. Meter is "on" and reads SET value of VOL TS or WIRE SPEED.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) Gun trigger works and arc can be struck.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) V ariable or "hunting" arc. &%))"()% #) +)*#$*) 1.
*(%+")%%*$ "$ # 1=4"$ #-9A5 5545A &(%"#) )/#&*%#) Poor arc striking with sticking or "blast-offs", weld porosity , narrow and ropy-looking bead, or electrode stubbing into plate while welding.
"$ # 1=4"$ #-9A5 5545A 1-10-97G L10247 LN-9 GMA 601 602 510C 518 510 517 519 560 561 562 1 4 3 6 2 5 11 7 8 9 10 12 (J8) (P8) 601 602 510A 510B 518 518 510 517 519 560 561 562 1 2 3 4 5 6 7 8 9 10 11 12 518 562 518 510 C2 517 561 560 519 C3 C1 S6 513 516 512 514 511 N.
(#) "$ # 1=4"$ #-9A5 5545A 1-10-97G L10250 LN-9F GMA A B C D E 622 623 (J4) WELD CURRENT REED SWITCH 62852.
(#) "$ # 1=4"$ #-9A5 5545A "$ # #$)%$ &($*.
(#) "$ # 1=4"$ #-9A5 5545A "$ # #$)%$ &($* %.
(#) "$ # 1=4"$ #-9A5 5545A "$ #$)%$ &($* % %$*(%" %.
$%*) .
- ($$ ,)% &(+%$ **$*%$ - ($+$ *$JO% )?1=9B8 A5=38 5A<1= &>ACD7D5B5 1?1=5B5 89=5B5 !>A51= A1293 READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
"$ # -(( - ($$ ,)% &(+%$ **$*%$ - ($+$ *$JO% )?1=9B8 A5=38 5A<1= &>A.
• Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 441 17-1 199 U.S.A. TEL: 216.481.8100 F AX: 216.486.1751 WEB SITE: www .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Lincoln Electric LN-9 GMA è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Lincoln Electric LN-9 GMA - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Lincoln Electric LN-9 GMA imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Lincoln Electric LN-9 GMA ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Lincoln Electric LN-9 GMA, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Lincoln Electric LN-9 GMA.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Lincoln Electric LN-9 GMA. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Lincoln Electric LN-9 GMA insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
