AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 6: MAINTENANCE
090010-OP_r0
PAGE - 87
these settings. For such cases, consult
Figure 6-15
, and
the following procedure:
1. Locate the air pressure control switch [
B
] at
the right of the battery bracket [
A
]. Remove
the cover retaining screw [
D
] fastening the
cover to the switch, and remove the cover
[
C
].
TOOLS NEEDED
REPLACEMENT
PART(S)
Screw Driver
Not Applicable
NOTE
There must be a minim
um of
25 psi
difference between the cut-in and cut-out
pressures for the system to operate
properly.
KEY
DESCRIPTION
KEY
DESCRIPTION
A
BATTERY BRACKET
D
COVER RETAINING SCREW
B
PRESSURE SWITCH
E
COMPRESSOR CUT-IN PRESSURE
ADJUSTMENT
C
PRESSURE SWITCH COVER
Figure 6-15: Pressure Switch Adjustment for Cut-in / Cut-out Pressure Settings
A
B
C
D
E
WARNING
Pressure settings (both minimum and
maximum) are pre-secured within the
rated capacity levels for this machine at
the factory before shipping. However, it
may be necessary to manually adjust.
NEVER adjust the pressures beyond the
recommended or rated capacity
specified for the machine.
