Section 7 − Compressor System; Air Compressor Switch - Miller Bobcat 200 Air Pak Owner's Manual

SECTION 7 − COMPRESSOR SYSTEM

7-1. Air Compressor Switch

1
.
Weld output and generator power may
be reduced when the air compressor is
on.
Air Compressor Switch
1 Compressor Switch
Placing Compressor switch in 20 CFM posi-
tion locks the engine speed at 2400 rpm,
which limits maximum air output to 20 CFM.
Placing Compressor switch in 30 CFM posi-
OM-283762 Page 36
.
A complete Parts List is available at www.MillerWelds.com
2
tion allows Auto-Speed operation. Engine
speed increases to 3600 rpm when air is
used and idles after 10 seconds of no air
use.
Adjusting Air Pressure
2 Adjust Control/Select Button
When the air compressor switch is in either
20 CFM or 30 CFM position, outlet air pres-
sure is monitored. If pressure is below MIN
Ref. 283792-B
pressure setting, compressor clutch en-
gages and engine speed increases to meet
air demand. When MAX pressure setting is
reached, compressor case pressure re-
duces. If there is no air demand for 45 sec-
onds, the clutch disengages until outlet
pressure is below MIN setting. Access Ser-
vice menu to set MIN and MAX pressure
settings (see Section 6-4). See Section 7-2
for air compressor controls.