AIR IN ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 7: TROUBLESHOOTING
090034-OP_r0
PAGE - 103
COMPRESSOR (CONTINUED)
Compressor shuts down with air
demand present (continued)
Plugged or restricted cooler core
Flush cooler. Consult the Vanair Service
Department for assistance in cleaning/
flushing the cooler core.
Contaminated cooler fins
Clean cooler fins. Refer to
Section 6.6.11,
Inspecting the System Coolers
.
Compressor will not build up
pressure
Pressure switch out of adjustment
Reset pressure switch. Refer to
Section
2.2.7, Adjustable Pressure Switch
, and
Section 6.6.13, Adjusting the Pressure
Setting
. Replace if switch continues to
deviate from setting.
Low compressor oil level
Check oil level and refill to proper level if
necessary (ensure machine is parked on a
level surface). Refer to
Section 6.6.3,
Checking the Compressor Oil
.
Air demand too high
Check for leaks and take corrective action.
Check air tools for wear, damage, or
malfunctions. Replace or repair.
Compressor capacity too low to
accommodate demand
Substitute larger capacity compressor
system.
Compressor air filter plugged
Check air filter. Replace if necessary; refer
to
Section 6.6.1, Compressor Air Filter
.
Defective pressure switch
Replace pressure switch.
Control throttle solenoid stuck
Replace throttle solenoid.
Belt(s) slipping
Re-situate and adjust belt tension, or
replace belt if necessary. Consult
Section
6.6.14, Replacing and Re-tensioning the
Serpentine Belts
Pressure gauge is malfunctioning
Check pressure gauge function/control line
routing: adjust, repair or replace as
necessary.
Check for proper operation with an auxiliary
air source. Replace if necessary
Continued on next page
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action
