Doosan D20S-5 Operation & Maintenance Manual page 83

After Starting the Engine After Starting the Engine
Observe all indicator lights and gauges frequently Observe all indicator lights and gauges frequently
during operation, to make sure all systems are during operation, to make sure all systems are
working properly. The entire indicator lights will working properly. The entire indicator lights will
come ON with the ignition switch in the ON position come ON with the ignition switch in the ON position
before the engine is started. before the engine is started.
Diesel (12V) Diesel (12V)
LPG/GAS (12V) LPG/GAS (12V)
1. 1. The engine oil pressure indicator light (1), will The engine oil pressure indicator light (1), will
not come ON with the engine running, unless not come ON with the engine running, unless
there is low or no oil pressure. Stop the engine there is low or no oil pressure. Stop the engine
immediately, if the light comes O immediately, if the light comes ON. N.
2. 2. The alternator indicator light (2), should not The alternator indicator light (2), should not
come ON during normal operation. The come ON during normal operation. The
alternator is not charging if the light comes ON alternator is not charging if the light comes ON
with the engine running. with the engine running.
3. 3. The The spark-ignition spark-ignition
MIL(Malfunction Indicator Light)(3) will not MIL(Malfunction Indicator Light)(3) will not
come ON with the engine running, unless the come ON with the engine running, unless the
fault or faults are stored in the memory of the fault or faults are stored in the memory of the
engine control module(ECM). Stop the engine engine control module(ECM). Stop the engine
and check the electric engine control system if and check the electric engine control system if
the light comes ON. Refer G420F(E)/G424F(E) the light comes
Engines of this section. Engines of this section.
G420/424F(E) G420/424F(E) engine engine
ON. Refer G420F(E)/G424F(E)
-80- -80-
4. 4. The diesel engine water in fuel filter indicator The diesel engine water in fuel filter indicator
light(4), will not come ON with the engine light(4), will not come ON with the engine
running, unless water in fuel filter exceeds running, unless water in fuel filter exceeds
100cc. Stop the engine immediately and drain 100cc. Stop the engine immediately and drain
the water if the light comes ON. the water if the light comes ON.
5. 5. Observe the fuel level gauge (5) for fuel level Observe the fuel level gauge (5) for fuel level
in the tank. in the tank.
6. 6. The engine coolant temperature gauge pointer The engine coolant temperature gauge pointer
(6) will be in the green band with the engine (6) will be in the green band with the engine
running, unless the coolant temperature is running, unless the coolant temperature is
excessive. excessive.
7. 7. The The transmission transmission
pointer (7) will be in the green band with the pointer (7) will be in the green band with the
engine running, unless the oil temperature is engine running, unless the oil temperature is
excessive. excessive.
8. 8. Observe the hour meter (8) to make sure it is Observe the hour meter (8) to make sure it is
3 3
operating properly. operating properly.
Operation Section Operation Section
oil oil temperature temperature gauge gauge
8 8