Engine Operation - Komatsu 930E-2 Shop Manual

Insure that all tools and loose equipment have
been removed prior to engine start-up. Sound horn
prior to engine start. Make sure emergency shut
down is reset. Cables must be free moving in their
housings.
When all reconditioning operations have been com-
pleted, a static check of engine operation along with
operation of systems as well as verification of braking
and steering must be done before the vehicle is moved.
1. Insure all personnel are clear of Equipment before
starting engine. Always sound the horn as a warn-
ing before actuating any operational controls.
Before starting engine, clear the immediate area of
personnel and obstructions.
Never start the engine in a building unless the
doors and windows are open and ventilation is
adequate.
A7-8

ENGINE OPERATION

2. Turn key switch "On". Warning lights for low brake
and steering pressure should illuminate and the
horn should sound. If it does not, check all com-
ponents in the circuit and correct the discrepancy
before continuing.
3. Turn key switch to start position to crank engine,
release switch when engine fires. Watch engine
oil pressure gauge; if pressure does not show in
10 - 15 seconds, shut down and locate problem.
4. While engine is warming up, make a careful in-
spection of engine coolant, oil and fuel lines for
leaks. Check hydraulic pump for leakage as well
as all hydraulic lines.
5. When engine is up to operating temperature,
check operation of throttle circuit; acceleration
should be smooth. Keep a close watch on the
gauges for any abnormal activity. Proper tem-
peratures and pressures are shown in the Opera-
tion and Maintenance Manual.
Storage Procedures A07003