CUMMINS N14 - Engine Speed Surges (Other Than Low Idle) (Continued)

Engine Speed Surges (Other Than Low Idle) (Continued)
Cause Corrections
----------
Genset and Industrial
Application (EFC Control)
1. Cold Engine
2. Ambient Temperature Limit Exceeds -40°
to 185°F
3. Low Cetane (Furnace Type) Fuel
4. Electric Governor Controls Adjusted
Incorrectly
5. Battery Charger Not Connected Directly
to Batteries
6. EFC Actuator Sticking
7. EFC Actuator O-rings Damaged, Spring
Broken, or Missing
8. Fuel Pump Housing Defective
1. Standby units. Verify that coolant heaters
are operating. Reduce electric governor
gain and/or stability settings.
2. Check ambient temperature.
3. Operate engine from a temporary supply
of fuel known to be within recommended
specifications. Refer to Section 5. A
Cetane improver additive may improve
engine operation. See Service Bulletin
No. 3379001.
4. Adjust governor. Refer to manufacturer’s
instructions.
5. Connect battery charger directly to battery
terminals.
6. Loosen actuator capscrews and tighten
again. Refer to PT PACER Troubleshoot-
ing and Repair Manual, Bulletin No.
3810441. Apply and remove battery
voltage to actuator.
7. Replace o-rings and/or spring if required.
Refer to PT PACER Troubleshooting and
Repair Manual, Bulletin No. 3810441.
8. Replace fuel pump. Refer to Procedure
5-02.
SectionT-Troubleshooting Troubleshooting Symptoms Charts
N14 Page T-65