Miller Electric HF-251D-1 - Manuel (Page 20)

OM-611 Page 16 Return To Table Of Contents
1 High Frequency Intensity
Control
Use control to change amount of
HF energy used to start and/or
maintain the arc. Set as low as
practical to prevent interfering with
electronic equipment.
1
4-4. High Frequency Intensity Control
1 Power Switch
Use switch to turn unit On and Off.
2 Pilot Light
1
2
4-5. Power Switch And Pilot Light
Postflow Timer
A fixed 15 second Postflow Timer
controls the period of time shielding
gas flows after the arc is extin-
guished.
t
2
4-6. Postflow Timer
1 Shielding Gas Cylinder
2 Valve
3 Hand Control
4 Foot Control
Open valve on cylinder just before
welding.
Control turns weld output and gas
flow on and off.
Close valve on cylinder when fin-
ished welding.
sb5.2* 5/94 − S-0621-C / S-0769 / Ref. 159 059
2
1
4
OR
3
4-7. Shielding Gas