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
Refer to figure 3-9 and, install the
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.
3-35. Interlock Switch
3-36. High Frequency Spot ARC Switch
a. Removal.
a. Removal.
(1) Remove the high frequency panel as-
sembly (para 3-27).
(1) Remove the high frequency panel as-
(2) Refer to figure 3-10 and remove the
sembly ( para 3-27).
interlock switch.
(2) Refer to figure 3-10 and remove the
b. Installation.
high frequency spot arc switch.
(1) Refer to figure 3-10 and install the
interlock switch.
b. Installaion.
(2) Install the high frequency panel as-
(1) Refer to figure 3-10 and install the
sembly (para 3-27).
high frequency spot arc switch.
c. Field Expdient Repair. If. the interlock
(2) Install the high frequency panel as-
switch is defective, place a jumper wire across
sembly (para 3-27).
the terminals and bypass the switch.