Section Ill. REACTORS, CONTROL RELAYS, AND RELAY PANEL
TERMINAL BOARD
d. Test.
6-12. General
(1) Connect an ohmmeter to the coil leads
The stabilizing reactor assembly acts as a choke
and make a continuity check.
to smooth out the dc arc voltage. The saturable
reactor assembly controls the amount of current
(2) Connect a megohmmeter to the coils, and
available for both dc and ac welding. Control re-
check the insulation breakdown.
lays are used to control contactor and time actua-
tion.
e. Reassembly. Refer to figure 615 and reas-
semble the stabilizing reactor assembly.
6-13. Stabilizing Reactor Assembly
f. Installation.
a. Removal.
(1) Refer to figure 6-14 and install the stabi-
(1) Remove the side shrouds (para 3-13).
lizing reactor assembly.
(2) Refer to figure 6-14 and remove the sta-
(2) Install the side shrouds (para 3-13).
bilizing reactor assembly.
b. Disassembly. Refer to figure 615 and disas-
614. Saturable Reactor Assembly
semble the stabilizing reactor assembly.
a. Removal.
c. Cleaning and Inspection.
(1) Remove the side shrouds (para 3-13).
(1) Clean all parts with a clean, dry cloth.
(2) Refer to figure 6-16 and remove the
(2) Inspect. for bare, broken, or corroded
saturable reactor assembly.
wires, defective insulation, evidence of overheat-
ing or other damage.
b. Disassemble. Refer to figure 6-17 and disas-
(3) Replace defective parts as necessary.
semble the saturable reactor assembly.
