PERIODS OF LIMITED USE
and a loss of power. If long periods of Idling are
A prolonged period without use is not good for any
piece of machinery. Engines should be started and cycled
necessary, run the engine under load every four hours to
every week. Load the engine every two weeks to the
extent that it would be in normal operation. This is
particularly important for standby power. Prolonged idling
or running under a reduced load may cause oil
If an engine is going to be put in storage see your
consumption and carboning In the combustion chamber
Caterpillar dealer for storage instructions.
and result in poor performance
Perform required periodic maintenance before starting
takes only a few minutes to correct minor discrepancies
the engine. Make a "walk-around" check of the installation.
that can develop into major repair jobs.
3. The crankcase oil level must be above the ADD
1. Correct any leaks, loose bolts or covers, and
mark on the dipstick.
obstructions. The fan and radiator must be clear of
4. Disconnect any battery chargers that are not
2. Check the coolant level. Maintain coolant level to
protected against the starter current drain.
within 1/2 Inch (1 cm) below bottom of fill pipe.
5. All guards must be in place.
If guards are
Inadequate or In need of repair, notify your
If an engine has not been run for several weeks, fuel
may have drained from or air accumulated in the filter
housing. When fuel filters have been changed, some air
space will be left In the housing. In these instances, prime
the fuel system until pressure registers on the gauge.
1. Open the fuel supply valve. The fuel return line
must be open to prevent engine damage.
2. Disengage the clutch or open the circuit breaker.
Do not start an engine under load.
3. Move the controls to half engine speed position.
Push In on the center knob and simultaneously pull
back the control knob.
OPERATING GOVERNOR CONTROL