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OM-228 305 Page 16
SECTION 5 − OPERATION
5-1. Controls
1
423
ON
OFF
PRESSURE
60 PSI
5
6
24
27
20
16
24
27
20
16
1
24
27
20
16
Requires
90-120 PSI
(621-827 kPa)
Supply
Setting Gas/Air Pressure
1 Output Control
Use control to set cutting output.
Place control in Gas/Air Set position to safely
adjust gas/air pressure. Only gas/air circuit
is activated.
If 22-27 amperes of cutting output is used
with 115 VAC input power, and the overload
protection on the input power circuit fre-
quently opens, either reduce the cutting out-
put and/or the cut time or find more adequate
power (see Section 4-1).
2 Trouble Lights (See Section 6-2)
3 Power Light
4 Power Switch
Setting Gas/Air Pressure
5 Air Filter/Regulator
6 Pressure Adjustment Knob
Place Output control in Gas/Air position and
turn on gas/air supply. Lift knob and turn to
adjust pressure. Push knob down to lock in
setting.
Place Output control in desired cutting
output.
. At ambient temperatures below −55 C
(235 F), readjustment of gas/air
pressure regulator may be necessary.
Ref. 227 835-A / Ref. 804 486-A
5
6
Set To
60 PSI (414 kPa)