Operation and maintenance manual

QSB4.5 and QSB6.7 Operating the Engine
Section 1 - Operating Instructions Page 1-5
Using Starting Aids
WARNING
Do not use starting fluids with this engine. This
engine is equipped with an intake air heater; use of
starting fluid can cause an explosion, fire, personal
injury, severe damage to the engine, and property
damage.
Cold weather starting aids are available for this engine.
Contact a Cummins® Authorized Repair Location for
more information.
Starting Procedure After Extended
Shutdown or Oil Change
General Information
Follow the Normal Starting Procedure in this section. The
engine will not start until the minimum cranking oil
pressure is detected by the ECM. It can take more
cranking time to start the engine after an extended shut
down or oil change.
Operating the Engine
Normal
If equipped, monitor the oil pressure and coolant
temperature gauges frequently. Refer to Lubricating Oil
System specifications and Cooling System specifications,
in Maintenance Specifications (Section V) for
recommended operating pressures and temperatures.
Shut off the engine if any pressure or temperature does
not meet the specifications.
Continuous operation with engine coolant temperature
above or below the engine coolant temperature
specifications listed in Maintenance Specifications
(Section V) can damage the engine.
If an overheating condition starts to occur, reduce the
power output of the engine by releasing the accelerator
pedal or lever or shifting the transmission to a lower gear,
or both, until the temperature returns to the normal
operating range. If the engine temperature does not
return to normal, shut off the engine, and refer to
Troubleshooting Symptoms (Section TS), or contact a
Cummins® Authorized Repair Location.