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Doosan D20S-7 - Page 58

Doosan D20S-7
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Operation Section
-55-
1. Diesel Engine Water in Fuel Filter
Indicator Light - Indicates when the
engine is running, there is water in the fuel
filter exceeds 100cc.
The light will come ON when the ignition switch is
turned to the ON position. The light should go off
after the engine is started. If the light turns on with
the engine running, park the lift truck and stop the
engine.
Drain some fuel (and any water) until clean fuel
flows from the filter which approximately takes 5 to
6 seconds
2. Alternator Indicator Light - Indicates if
the battery charging system is operational.
The light will come on when the ignition
switch is turned to the ON position.
The light should go off after the engine is started,
indicating the alternator is producing sufficient
voltage to charge the battery. If the light turns on
with the engine running, check the alternator
charging system for a malfunction.
3. Diesel Engine Start Preheat Indicator
Light - The light will come ON when the
key is turned to the ON position from the
OFF position. This indicates that the glow plugs are
preheating the pre-combustion chambers for easier
starting.
The amount of time needed to preheat the
pre-combustion chambers is approximately seven
seconds, depending on the surrounding air
temperature. When the light goes OFF the
maximum pre-combustion chamber temperature
has been reached and the key can be turned to the
START position to start the engine.
4. Fuel Level Gauge - Shows
current level of the fuel in the fuel
tank. Replenish fuel when the
Level Gauge indicates "E" during
the forklift operation.
5. Engine Coolant Temperature
Gauge - Indicates coolant
temperature. Shows current
temperature of the engine coolant.
If the gauge pointer moves beyond
the red band during the operation,
the engine is overheated. Park the
lift truck and stop the engine.
Check the cooling system for any defect. The
pointer will be in the red band when the coolant
temperature reaches approximately 110 °C on all
engines.
6. Transmission Oil Temperature
Gauge - Shows transmission oil
temperature If the gauge pointer
moves beyond the red band during
operation, the engine is
overheated. Park the lift truck and
stop the engine.
Check the system for any defect. The pointer will
be in the red band when the transmission oil
temperature reaches approximately 125 °C.
7. Engine Malfunction Indicator Light
(MIL) - Engine control system is equipped
with built-in fault diagnostics. Detected
system faults can be displayed by the Malfunction
Indicator Lamp (MIL) as Diagnostic Fault Codes
(DFC) or flash codes, and viewed in detail with the
use of service tool software. When the ignition key
is turned ON the MIL will perform a self-test,
illuminate once and then go OFF. If a detected fault
condition exists, the fault or faults will be stored in
the memory of the engine control unit (ECM). Once
a fault occurs the MIL will light up and remain ON.
This signals the operator that a fault has been
detected by the SCEM.
8. Seat Belt Warning Light (If
Equipment)
Indicates when the seat belt dose not
fastened by operator.
The light will come on when the ignition switch is
turned to the on position.
The light should go off after engine is started.
9. Service hour Meter - Indicates the
total number of hours the engine and the
lift truck have operated. The hour meter
will operate when the ignition switch is in the ON
position, whether the engine is running or not. The
hour meter is used to determine lubrication and
maintenance intervals.
10. Parking indicator light - The light will
come ON when the parking lever is
applied.
11. Front Floodlights - Push down on the
switch(14), to the first step, to turn the
front floodlights on.
Front and Rear Floodlights – Push down
on the switch(14), to the second step, to turn both
the front and rear floodlights on. The floodlights are
optional.
12. Transmission Neutral Position Light
- Indicates the neutral position of
transmission.

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