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INSTALLATION
A-12A-12
NA-5
FIGURE A.11 – CONNECTION OF NA-5 (ALL) TO A SAM-400 MOTOR
GENERATOR OR ENGINE WELDER.
NOTE: TO CHANGE POLARITY, TURN POWER OFF, AND POSITION THE SWITCH ON POWER SOURCE TO PROPER POLARITY. REFER TO NA-5 OPERATING MANUAL FOR
REQUIRED NA-5 CONTROL BOX POLARITY CONNECTIONS.
N.A. REMOVE SAM PORTABLE FIELD CONTROL AND CONNECT NA-5 CONTROL CABLE.
N.B. WELDING CABLES MUST BE OF PROPER CAPACITY FOR THE CURRENT AND DUTY CYCLE OF IMMEDIATE AND FUTURE APPLICATIONS.
N.C. EXTEND LEAD #21 USING #14 OR LARGER INSULATED WIRE PHYSICALLY SUITABLE FOR THE INSTALLATION. AN S-16586-[ ] REMOTE VOLTAGE-SENSING WORK LEAD
IS AVAILABLE FOR THIS PURPOSE. CONNECT IT DIRECTLY TO THE WORK PIECE, KEEPING IT SEPARATE FROM THE WELDING WORK CABLE CONNECTION TO
WORK PIECE. FOR CONVENIENCE, THIS EXTENDED #21 LEAD SHOULD BE TAPED ALONG THE WELDING WORK CABLE.
N.D. TAPE UP BOLTED CONNECTION.
N.E. CONNECT THE NA-5 CONTROL CABLE GROUNDING LEAD TO THE FRAME TERMINAL MARKED , NEAR THE POWER SOURCE TERMINAL STRIP. THE POWER SOURCE
MUST BE PROPERLY GROUNDED.
N.F. IF USING AN OLDER K-215 CONTROL CABLE: CONNECT LEAD #76 TO #75 ON TERMINAL STRIP, CONNECT LEADS #75 AND #77 TO #76 ON TERMINAL STRIP.
N.G. ON EARLIER SAM MACHINES, #1 TERMINAL WAS ALSO ON THE TERMINAL STRIP.
N.H. FOR PROPER NA-5 OPERATION, THE ELECTRODE CABLES MUST BE SNUGGED UNDER THE CLAMP BAR ON THE LEFT SIDE OF THE NA-5 CONTROL BOX.
FOR ADDITIONAL INSTALLATION INSTRUCTIONS, SEE NA-5 OPERATING MANUAL.
NA-5 SETTINGS
FOR SUB ARC:
1. RED LEAD ON VOLTAGE PC BOARD IS CONNECTED TO PIN "S".
2. WHITE LEAD ON VOLTAGE PC BOARD IS CONNECTED TO PIN "A".
FOR ALL OPEN ARC PROCESSES:
1. RED LEAD ON VOLTAGE PC BOARD IS CONNECTED TO PIN "F".
2. WHITE LEAD ON VOLTAGE PC BOARD IS CONNECTED TO PIN "A".
SAM POWER SOURCE SETTINGS
FOR SUB ARC:
1. SET THE ELECTRODE POLARITY SWITCH TO THE VARIABLE VOLTAGE
POSITION OF THE POLARITY DESIRED FOR THE PROCESS BEING USED.
2. SET THE TOGGLE SWITCH TO CONSTANT VOLTAGE.
3. SET THE CONSTANT VOLTAGE CONTROL TO NUMBER 7 AND THE
CURRENT CONTROL TO 500.
FOR ALL OPEN ARC PROCESSES:
1. SET THE ELECTRODE POLARITY SWITCH TO THE CONSTANT VOLTAGE
POSITION OF THE POLARITY DESIRED FOR THE PROCESS BEING USED.
2. SET THE TOGGLE SWITCH TO CONSTANT VOLTAGE.
3. SET THE CONSTANT VOLTAGE CONTROL TO NUMBER 5.
TURN POWER SOURCE OFF.
P
BOLT TO CABLES
FROM NA-5
WIRE CONTACT
ASSEMBLY
N.B.
N.B.
CLEVELAND, OHIO U.S.A.
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