PRE-START CHECKS

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

clear carbon from the combustion chambers.

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

STARTING

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.

PRE-START CHECKS

1. Correct any leaks, loose bolts or covers, and

3. The crankcase oil level must be above the ADD

obstructions. The fan and radiator must be clear of

mark on the dipstick.

restrictions.

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

supervisor.

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.

OIL LEVEL

STARTING PROCEDURE

ELECTRIC START

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