Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered equipment. 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....
Page 5 - PRÉCAUTIONS DE SÛRETÉ
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-vous contr...
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 - INSTALLATION; TECHNICAL SPECIFICATIONS – UNDER- WATER COOLER
A-1 INSTALLATION UNDER-COOLER CART A-1 TECHNICAL SPECIFICATIONS – UNDER- WATER COOLER Model / Make Under-Cooler Cart K1828-1 Input 100-120 VAC 50/60 Hz 1 Phase Rated Current Draw 60 Hz (2.8-3.5 Amps) 50 Hz (3.5-5.3 Amps) Operating Pressure 60 psig (413 kPa) (4.1 bar) Pump Hydraulic Rating No Flow Di...
Page 9 - FILLING COOLANT RESERVOIR
SAFETY PRECAUTIONS: ELECTRIC SHOCK Can Kill • Only qualified persons should per- form this installation. HOT COOLANT CAN BURN SKIN • A l w a y s b e s u r e c o o l a n t i s n o t h o t b e f o r e d o i n g a n y w o r k o n c o o l e rparts. R O T A T I N G F A N B L A D E S A R EHAZARDOUS • Do n...
Page 10 - COOLANT CONNECTIONS; CAUTION
A-3 INSTALLATION UNDER-COOLER CART A-3 NOTE: DO NOT ADD MORE THAN 2 GALLONS( 7 . 6 L I T E R S ) O F C O O L A N T I N T O T H E R E S E R -VOIR. The fill cap contains a pressure release airhole, which must not be blocked by overfilling thereservoir with coolant.-------------------------------------...
Page 11 - INPUT POWER CONNECTION; ASSEMBLY OF PRECISION TIG; SAFETY PRECAUTIONS
A-4 INSTALLATION UNDER-COOLER CART A-4 INPUT POWER CONNECTION Plug the input power cord on the Under-Cooler cartinto the standard bottom 115V NEMA circuit breakerp r o t e c t e d r e c e p t a c l e , l o c a t e d o n t h e b a c k o f t h ePrecision TIG machine. Using this receptacle is takingadv...
Page 12 - CONNECTION OF TIG TORCHES
A-5 INSTALLATION UNDER-COOLER CART A-5 CONNECTION OF TIG TORCHES I n s t a l l a t i o n o f T I G t o r c h e s t o b e u s e d w i t h t h i sPrecision TIG Under-Cooler cart is explained in thePrecision TIG machine literature. The torch does notdirectly attach to the cooler but through a connectio...
Page 13 - OPERATION; RECOMMENDED PROCESSES
B-1 OPERATION UNDER-COOLER CART B-1 SAFETY PRECAUTIONS GENERAL DESCRIPTION The Under-Cooler cart is an internal type, re-circula-tion cooling system designed for use with water-cooled TIG torches. The coolant "IN" and "OUT" con-nections are 5/8-18 left-hand female threads whichmatch ...
Page 14 - COOLING EFFICIENCY
B-2 OPERATION B-2 TURNING THE SYSTEM "ON" A f t e r c o n n e c t i n g t h e P r e c i s i o n T i g a n d T i gTorches per Installation Section, plug the unit intoa 115V NEMA electrical receptacle for start-upoperation. Be certain that the power input into theunit matches the Cooler's rate...
Page 15 - MAINTENANCE; PUMP; ROUTINE
D-1 MAINTENANCE D-1 PUMP The pump head has a "built in" strainer on the inletside of the pump. It is recommended to clean or replace the pump’s inlet strainer at least annuallyas follows: • Drain the coolant reservoir and all coolant lines. Dispose of the coolant properly as specified above....
Page 16 - RESERVOIR COOLANT LEVEL
D-2 MAINTENANCE D-2 RESERVOIR COOLANT LEVEL The reservoir volume should be checked daily beforeusing the cooler. Remove the reservoir fill cap andcheck the coolant level. The reservoir is full when thecoolant level is just below the input elbow of the reser-voir (approximate. 2 Gal / 7.6 ltrs). Keep...
Page 17 - PUMP INLET FILTER
D-3 MAINTENANCE D-3 Disinfect the cooling system: • Prepare the disinfectant: Make a quantity of only is needed to avoid an excess. • Bulk preparation (for coolers serviced in quantity): 2.325 gals. (8.775 liters) of pure, fresh water percooler 1.625 ml of additive per cooler • Example: for 100 cool...
Page 18 - ADDITIONAL SERVICE NOTES:
D-4 MAINTENANCE D-4 Service the pump’s inlet strainer: a. Place absorbent towels underneath pump head to prevent stray coolant from wetting cooler’s electricalcomponents. b. Hold pump head to apply counter torque when loos- ening strainers 7/8 acorn nut. Do not confuse with3/4 acorn nut. Remove nut ...
Page 19 - TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE
E-1 TROUBLESHOOTING E-1 UNDER-COOLER CART 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 before you proceed. CAUTION This Troubleshoot...
Page 20 - PROBLEMS
E-2 TROUBLESHOOTING E-2 UNDER-COOLER CART 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 troublesho...
Page 21 - WIRING DIAGRAM
F-1 WIRING DIAGRAM F-1 UNDER-COOLER CART 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 Servic...
Page 22 - DIAGRAM; rt Wa
F-2 DIAGRAM F-2 UNDER-COOLER CART M19724 3 -0 1 HEA T "IN" W E LDING TORC H OR GUN HEA T EX C HANGER FAN AIR FLOW PUMP COOL ANT RESERVO IR K 1828-1 U nder-Coole r Ca rt Wa te r Coole r Flow Diagram COOL ANT "OU T" COOL ANT "IN"
Page 23 - DIMENSION PRINT
F-3 DIMENSION PRINT F-3 UNDER-COOLER CART M19757 B (27.1 6) (16.3 4) (22.25 ) (22.8 4) (20.94 ) (12.20 ) (40.96 ) (23.32 ) (19.94 ) (13.35 ) (20.94 ) 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 ...
Page 24 - NOTES
Page 27 - 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...