Vanair AIR N ARC I 300 SERIES Operation Manual page 72

SECTION 6: TROUBLESHOOTING
6.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Compressor shuts down with air
demand present (continued)
Compressor will not build up
pressure
PAGE - 60
AIR N ARC
Possible Cause
COMPRESSOR (CONTINUED)
Clutch faulty
Plugged or restricted cooler core
Contaminated cooler fins
Low compressor oil level
Air demand too high
Air demand too high (continued)
Compressor capacity too low to
accommodate demand
Compressor air filter plugged
Pressure switch out of adjustment
Defective pressure switch
Engine does not speed up
Belt(s) slipping
Service valve is open
Pressure gauge is malfunctioning
Inlet solenoid valve fails to open
090045-OP_r1
®
-300 SERIES ALL-IN-ONE POWER SYSTEM
I
Use Section 7, Illustrated Parts List, to
visually identify and confirm any part
number that may need to be replaced.
Corrective Action
Inspect; replace if necessary.
Flush cooler. Consult the Vanair
Department for assistance in cleaning/
flushing the cooler core.
Clean cooler fins.
Check oil level and refill to proper level if
necessary (ensure machine is parked on a
level surface).
Check for leaks and take corrective action.
Check air tools for wear, damage, or
malfunctions. Replace or repair.
Substitute larger capacity compressor
system.
Check compressor air filter. Replace if
necessary.
Reset pressure switch. Refer to Section
5.4.2, Adjusting the Pressure Setting.
Replace if switch continues to deviate from
setting.
Replace pressure switch.
Adjust speed control. Consult Section 5.4.1,
Adjusting the Engine Speed, and the
Engine Operation Manual.
Re-situate and adjust belt tension, or
replace belt if necessary. Consult Section
5.4.3, Re-tensioning and Replacing the
Serpentine Belts.
Close service valve.
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.
Repair/replace inlet valve.
Continued on next page
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Service