Vanair AIR N ARC RELIANT 300 Series Operations Manual & Parts List page 125

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AIR IN ARC 300 SERIES ALL-IN-ONE POWER SYSTEM
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Improper Control Operation:
Engine does not speed up
(continued)
Defective Throttle Control Relay
Improper Control Operation:
Engine does not slow down
Engine overheats
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Possible Cause
ENGINE (CONTINUED)
Operating pressure too high
Fuel filter partly plugged
Solenoid not actuating
Leak in control line
Pressure switch out of adjustment
Pressure switch faulty
Governor stuck
Low oil level
Engine coolant level low
Located too close to obstruction
Engine oil filter plugged
Engine oil radiator plugged
Restricted cooling air in or out
090012-OP_r0
SECTION 7: TROUBLESHOOTING
Corrective Action
Adjust to proper pressure setting. 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 fuel filter. Refer to Section 2.4,
Engine, and the Engine Operator's Manual.
Auxiliary fuel pump may be needed for
remote fuel tank. Refer to Section 4,
Installation.
Inspect; replace if necessary.
Check for leaks; replace line if necessary.
Adjust to proper pressure setting. 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.
Free governor and lubricate if necessary.
Refer to Engine Operator's Manual.
Check engine oil level; refer to Section
6.6.12, Checking the Engine Oil.
Replenish as necessary. Consult the Engine
Operator's Manual for additional information
on engine maintenance.
Check; add if necessary. Refer to Engine
Operator's Manual.
Move further from obstruction.
Replace engine oil filter. Refer to Section
2.4, Engine, and the Engine Operator's
Manual.
Clear debris/dirt from cooler core/flush
shroud. Refer to 6.6.11.
Clear debris/dirt from engine radiator. Refer
to 6.6.11.
Continued on next page
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