Vanair AIR N ARC RELIANT 300 Series Operations Manual & Parts List page 128

SECTION 7: TROUBLESHOOTING
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Compressor will not build up
pressure (continued)
PAGE - 110
AIR IN ARC
Possible Cause
COMPRESSOR (CONTINUED)
Air demand too high
Compressor capacity too low to
accommodate demand
Compressor air filter plugged
Pressure switch out of adjustment
Defective pressure switch
Engine does not speed up
Engine governor stuck
Control throttle solenoid stuck
Belt(s) slipping
Service valve is open
Pressure gauge is malfunctioning
Inlet valve fails to open
Inlet valve frozen shut
090012-OP_r0
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300 SERIES ALL-IN-ONE POWER SYSTEM
Corrective Action
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 6.6.1, Compressor Air Filter.
Reset pressure switch. Refer to Section
2.2.7, Adjustable Pressure Switch, and
Section 6.6.14, Adjusting the Pressure
Setting. Replace if switch continues to
deviate from setting.
Replace pressure switch.
Adjust speed control. Consult Section
6.6.13, Adjusting the Engine Speed, and
the Engine Operator's Manual.
Free governor and lubricate if necessary.
Consult the Engine Operator's Manual.
Replace throttle solenoid.
Re-situate and adjust belt tension, or
replace belt if necessary. Consult Section
6.6.15, Replacing and Re-tensioning 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. Refer to Section
6.6.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Repair/replace inlet valve. Refer to Section
6.6.2, Repairing the Air Inlet Valve. Order
inlet valve repair kit—see Table 9A:
Recommended Spare Parts List.
Continued on next page
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