Vanair Air N Arc All-in-One Power Systems 300 Operations Manual & Parts List page 122

SECTION 7: TROUBLESHOOTING
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Compressor shuts down with air
demand present (continued)
Compressor will not build up
pressure
PAGE - 104
AIR IN ARC
Possible Cause
COMPRESSOR (CONTINUED)
Fan not operating (continued)
Compressor oil filter plugged
Soiled cooler core
Internally contaminated cooler core
Defective engine oil pressure switch
Compressor system is not receiving
enough operating power
Air demand too high
Compressor capacity too low to
accommodate demand
Compressor air filter plugged
Pressure switch out of adjustment
Belt(s) slipping
Defective pressure switch
Engine governor stuck
Faulty throttle solenoid
090010-OP_r0
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300 SERIES ALL-IN-ONE POWER SYSTEM
Corrective Action
Check all electrical connections and lines;
clean/renew connections where needed.
Replace filter; refer to Section 6.5.4,
Replacing the Compressor Oil Filter
Element.
Clean cooler core.
Consult the Vanair Service Department for
assistance in cleaning/flushing the cooler
core.
Replace engine oil pressure switch. Refer to
the Engine Operator's Manual.
If running more than one function
simultaneously, turn off competing function.
Check for leaks and take corrective action.
Check air tools for wear, damage, or
malfunctions. Replace or repair.
Substitute larger capacity compressor
system.
Check air filter. Replace if necessary; refer
to Section 6.5.1, Compressor Air Filter.
Reset pressure switch. Refer to Section
2.2.7, Adjustable Pressure Switch, and
Section 6.5.15, Adjusting the Pressure
Setting. Replace if switch continues to
deviate from setting.
Re-situate and adjust belt tension, or
replace belt if necessary. Consult Section
6.5.16, Replacing and Re-tensioning the
Serpentine Belts
Replace pressure switch.
Free governor and lubricate if necessary.
Consult the Engine Operator's Manual.
Check throttle solenoid; replace if
necessary.
Check throttle relay; replace if necessary.
Refer to Section 6.6, Servicing the
System Fuses and Circuit Breakers.
Continued on next page
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