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TROUBLESHOOTING & REPAIR
F-29 F-29
PRO-CUT 55
TORCH CONTINUITY AND SOLENOID TEST (continued)
TEST PROCEDURE
1. Remove input power to the Pro-Cut 55
machine.
2. Remove the torch assembly from the
machine.
3. Using the ohmmeter, check the torch resis-
tances per Table F.5.
NOTE: Take the “Pin” test point measurements
at the machine end of the torch assem-
bly. See Figure F.5.
FIGURE F.5 - TORCH CONNECTOR - MACHINE END
1
2
3
4
5
6
7
8
9
Not used
inside
power
source
White Pair
Black Pair
Red Leads
Blue Leads
Torch Solenoid
Vent Tube
Electrode Lead
Air Hose
White & Black Pairs
Connector
ELECTRODE
BODY (nozzle)
Electrode is
insulated from
Brass Body
outside
center
flex tubes
Pilot path / air tube
crimp
fitting
N.O.
Torch Trigger