TM 5-3431-203-15
Figure 3-9. Timers and dummy plug, removal and installation.
Warning: Performances of any field ex-
b. Installation
pedient repair creates a condition possibly
dangerous to the equipment or personnel. A
timers.
welding machine so repaired should be taken
Close and lock the high frequency
panel door.
out of service as soon as possible for replace-
ment of the defective part.
3-36. High Frequency Spot ARC Switch
a. Removal.
a. Removal.
interlock switch.
b. Installation.
high frequency spot arc switch.
interlock switch.
b. Installaion.
(2) Install the high frequency panel as-
high frequency spot arc switch.
c. Field Expdient Repair. If. the interlock
switch is defective, place a jumper wire across
the terminals and bypass the switch.