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Lincoln Electric
TIG 275 manual
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v
SAFETY
v
Contents
Main
PRECISION TIG 275
OPERATORS MANUAL
IM908
Safety Depends on You
Precision TIG 275 shown with optional Advanced Control Panel and Under Cooler Cart
FOR ENGINE powered equipment.
i
CALIFORNIA PROPOSITION 65 WARNINGS
i
Mar 95
ARC RAYS can burn.
ELECTRIC SHOCK can kill.
FUMES AND GASES can be dangerous.
FOR ELECTRICALLY powered equipment.
CYLINDER may explode if damaged.
iii
Mar 95
WELDING SPARKS can cause fire or explosion.
PRCAUTIONS DE SRET
PRCAUTIONS DE SRET POUR LES MACHINES SOUDER TRANSFORMATEUR ET REDRESSEUR
Page
Page
viivii
Thank You
Please Examine Carton and Equipment For Damage Immediately
On-Line Product Registration
TABLE OF CONTENTS
viiiviii
A-1
TECHNICAL SPECIFICATIONS-
A-1
PRECISION TIG 275 (K1827-2 Export-50/60Hz)
RATED INPUT - SINGLE PHASE ONLY
A-2
*
ADDITIONAL OUTPUT CAPACITY
PHYSICAL DIMENSIONS
TEMPERATURE RANGES
SAFETY PRECAUTIONS
SELECT SUITABLE LOCATION
STACKING
UNDERCARRIAGE LIFTING AND MOVING
TILTING
INPUT and GROUNDING CONNECTIONS
A-4
A-5
WORK CABLE CONNECTION
STICK ELECTRODE CABLE CONNECTION
OUTPUT CABLES, CONNECTIONS AND LIMITATIONS
A-6
TIG TORCH CONNECTION
Page
A-8
A-8 ROBOTIC INTERFACE CONNECTION
*
*
B-1
PRODUCT DESCRIPTION
PIPE THAWING
Duty Cycle
SAFETY PRECAUTIONS
B-2
B-2 RECOMMENDED PROCESSES AND EQUIPMENT
B-3
CONTROLS AND SETTINGS
B-4
B-5
ADVANCED PANELCONTROLS
B-6
B-7
B-7 INTERNAL SET UP CONTROLS
STICK WELDING FEATURES
TIG WELDING FEATURES
B-8
FIGURE B.3
B-9
FIGURE B.4
B-10
SETUP GUIDELINES FOR TIG WELDING WITH AN AMPTROL
TIG WELD CYCLE CHART
B-11
FIGURE B.5
Controls
Setup for TIG Amptrol Welding
FIGURE B.6
B-12
RECOMMENDED ELECTRODE AMPERAGE RANGES - PRECISION TIG 275
MAKING A TIG WELD WITH AN AMPTROL
C-1
ACCESSORIES
C-1
OPTIONAL EQUIPMENT
D-1
MAINTENANCE
ROUTINE AND PERIODIC MAINTENANCE
D-1
SAFETY PRECAUTIONS
OVERLOAD PROTECTION
MAINTENANCE
D-2 SERVICE PROCEDURES
COMPONENT ACCESS
SPARK GAPADJUSTMENT
UNDER-COOLER SERVICE
HOW TO USE TROUBLESHOOTING GUIDE
E-2
OUTPUT PROBLEMS
E-3
GAS PROBLEMS
METER PROBLEMS
E-4
HI-FREQ PROBLEMS
E-5
PRESET & OUTPUT CONTROL PROBLEMS
E-6
TIG WELDING PROBLEMS
STICK WELDING PROBLEMS
E-7
TIG PROBLEMS
F-1
WIRING DIAGRAM
PROTECTIVE BONDING CIRCUIT
CONTROL PANEL (VIEWED FROM REAR)
R4
WORK
DIMENSION PRINT
O
L11660
F-2
Page
Page
AVISO DE PRECAUCION ATTENTION WARNUNG ATENO
AVISO DE PRECAUCION ATTENTION WARNUNG ATENO