TUNGSTEN INERT GAS WELDING
STEP 1.
TURN ON SOURCES OF GAS AND WATER.
GAS FLOW SHOULD BE SET AS REQUIRED.
STEP 2.
PLACE CONTACTOR SWITCH AND AMPERAGE
SWITCH IN REMOTE RECEPTACLE POSITION.
IF REMOTE CONTROL IS DESIRED CONNECT
REMOTE CONTROL TO REMOTE RECEPTACLE.
PLACE GAS-WATER SWITCH IN ON POSITION.
STEP 3.
STEP 4.
STEP 5.
SET POST FLOW TIMER TO DESIRED POSITION
(1 TO 30 SECONDS).
STEP 6.
SET PRE FLOW TIMER TO DESIRED POSITION
(1 TO 30 SECONDS).
STEP 7.
IN START ONLY POSITION FOR DC WELDING
OR TO ON-CONTINUOUS FOR AC WELDING.
STEP 8.
DETERMINE WELDING RANGE BY SIZE OF
WORK TO BE DONE AND SET RANGE SWITCH
TO PROPER POSITION, SELECT PROPER ELECTRODE,
AND SET POLARITY SWITCH AS DESIRED.
FOR DC TIG WELDING, 1% OR 2% THORIATED
NOTE:
TUNGSTEN ELECTRODES ARE NORMALLY
USED. FOR AC WELDING, PURE OR ZIRCONIUM
TUNGSTEN ELECTRODES ARE NORMALLY USED.
ME 3431-228-15/2-9@
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