Doosan D50S-5 Operation & Maintenance Manual page 79

NOTE: NOTE: The engine will not start unless the The engine will not start unless the
transmission directional control lever is in transmission directional control lever is in
the NEUTRAL position. the NEUTRAL position.
Typical Example Typical Example
1. 1. Engage the parking brake, if not already Engage the parking brake, if not already
engaged. engaged.
2. 2. Place the transmission directional control lever Place the transmission directional control lever
in NEUTRAL position. in NEUTRAL position.
When you restart the engine after turning off it, wait When you restart the engine after turning off it, wait
4 to 5 seconds and restart it to protect the starter. 4 to 5 seconds and restart it to protect the starter.
Diesel Engine Diesel Engine
Starting a Cold Diesel Engine Starting a Cold Diesel Engine
1. 1. Turn the ignition key to the ON position. The Turn the ignition key to the ON position. The
start preheat light will come ON. The preheat start preheat light will come ON. The preheat
light will stay ON approximately seven seconds, light will stay ON approximately seven seconds,
depending on the ambient air temperature. depending on the ambient air temperature.
Do not engage the starter for m Do not engage the starter for more than 10 seconds.
2. 2. When the preheat light goes OFF, turn the When the preheat light goes OFF, turn the
ignition key to the START position, with the ignition key to the START position, with the
accelerator pedal fully depressed. accelerator pedal fully depressed.
3. 3. Release the ignition key when the engine starts Release the ignition key when the engine starts
and release the accelerator pedal to a low idle and release the accelerator pedal to a low idle
position. position.
4. 4. If the engine stalls or does not start, turn the If the engine stalls or does not start, turn the
ignition key to the OFF position, then repeat ignition key to the OFF position, then repeat
steps 1 thru 3. steps 1 thru 3.
Starting From a 24/12 Volt External Starting From a 24/12 Volt External
Source Source
NOTICE NOTICE
NOTICE NOTICE
ore than 10 seconds.
to START position, without waiting for the to START position, without waiting for the
preheat light to go OFF. At the same time fully preheat light to go OFF. At the same time fully
depress the accelerator. depress the accelerator.
2. 2. Release the ignition key when the engine starts Release the ignition key when the engine starts
and release the accelerator pedal to a low idle and release the accelerator pedal to a low idle
position. position.
LP Engine LP Engine
LP fuel is flammable and can cause personal LP fuel is flammable and can cause personal
injury. injury.
Inspect LP fuel lines and fitting for leaks. Inspect LP fuel lines and fitting for leaks.
Inspect tank for secure mounting. Inspect tank for secure mounting.
1. 1. Open the tank fuel valve by slowly turning the Open the tank fuel valve by slowly turning the
valve counterclockwise. Observe the LP gauge valve counterclockwise. Observe the LP gauge
(if equipped). (if equipped).
2. 2. Turn the ignition switch to the START position. Turn the ignition switch to the START position.
Release it when the engine starts. Release it when the engine starts.
3. 3. If the engine does not start, Do not press on the If the engine does not start, Do not press on the
accelerator pedal. Turn the starter switch to OFF accelerator pedal. Turn the starter switch to OFF
position, the repeat step 2 and depress the position, the repeat step 2 and depress the
accelerator pedal slightly during cranking. accelerator pedal slightly during cranking.
4. 4. Allow the engine to warm up slowly. Allow the engine to warm up slowly.
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Starting with Jumper Cables Starting with Jumper Cables
Batteries give off flammable fumes that can Batteries give off flammable fumes that can
WARNING WARNING
Operation Section Operation Section
WARNING WARNING