Section 7 − Compressor Operation; Air Compressor Switch - Miller TRAILBLAZER 302 AIR PAK Owner's Manual

SECTION 7 − COMPRESSOR OPERATION

7-1. Air Compressor Switch

OM-229 930 Page 36
1
O IL 500
2
.
Weld output and generator power
are reduced when the air com-
pressor is on.
With the compressor on, weld or
generator loads will cause the en-
gine to run at 3600 RPM.
Air Compressor Operation
1 Displays
Displays show air compressor status
(on/off), and maintenance information
(hours, oil change countdown, fault
shutdown).
.
See Section 11-1 for additional
display code information.
2 Compressor Function Switch
Turn switch to Air Compressor CFM
settings to turn compressor on. Turn
switch to Off position to turn air com-
pressor off.
At 17 CFM, engine runs at 2400 RPM.
At 21 CFM, engine runs at 3000 RPM.
At 26 CFM, engine runs at 3600 RPM.
Use 26 CFM setting for maximum air
output.
.
Weld output and generator power
are reduced when the air com-
pressor is on.
With the compressor on, weld or
generator loads will cause the en-
gine to run at 3600 RPM.
.
To reduce moisture in the com-
pressor air, install optional air cool-
er with separator (Part No. 300
420), or desiccant dryer (Part No.
195 117).
.
When the temperature inside the
unit drops below 455 (75 C), in-
ternal heaters activate to prevent
air system freeze-up.
Air Compressor Maintenance
Use switch to monitor engine and com-
pressor maintenance requirements.
Engine Hrs position displays total en-
gine hours.
Engine Oil Change position displays
hours left before next oil change.
Hours count down from 100.
Compressor Hrs position displays to-
tal compressor hours.
Compressor Oil Change position dis-
plays hours left before next oil change.
Hours count down from 500.
.
Negative hours indicate time past
recommended oil change.
To reset oil change hours: with engine
off, place switch in Engine or Com-
pressor Oil Change position and cycle
Engine Control switch between Auto/
Run and Run three times.
Ref. 804 857-A / Ref. 229 219-A