AIR IN ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
SECTION 7: TROUBLESHOOTING
090010-OP_r0
PAGE - 101
ENGINE (CONTINUED)
Improper Control Operation:
Engine does not speed up
Throttle solenoid stuck
Check throttle solenoid. Replace if
necessary.
Check throttle relay; replace if necessary.
Refer to
Section 6.6,
Servicing the
System Fuses and Circuit Breakers
.
Governor stuck
Free governor and lubricate if necessary.
Fuel filter partly plugged
Replace fuel filter. Refer to
Section 2.4,
Engine
,
and the Engine Operator’s Manual.
Improper Control Operation:
Engine does not slow down
Leak in control line
Check for leaks; replace line if necessary.
Pressure switch out of adjustment
Adjust to proper pressure setting. 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.
Pressure switch faulty
Replace pressure switch.
Throttle solenoid stuck
Check throttle solenoid. Replace if
necessary.
Check throttle relay; replace if necessary.
Refer to
Section 6.6,
Servicing the
System Fuses and Circuit Breakers
.
Governor stuck
Free governor and lubricate if necessary.
Engine overheats
Located too close to obstruction.
Move further from obstruction.
Engine oil filter plugged
Replace engine oil filter. Refer to
Section
2.4, Engine
,
and the Engine Operator’s
Manual.
Low oil level
Check engine oil level; refer to
Section
6.5.13, Checking the Engine Oil
.
Replenish as necessary. Consult the Engine
Operator’s Manual for additional information
on engine maintenance.
Restricted cooling air in or out
Clean engine intake grill. Refer to
6.5.12
.
Engine oil cooler plugged
Clear debris/dirt from cooler core/flush
shroud. Refer to
6.5.12
.
Continued on next page
7.2 TROUBLESHOOTING GUIDE
Fault/Malfunction
Possible Cause
Corrective Action
