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Doosan HP375WCU - Starting and Stopping Procedures

Doosan HP375WCU
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Operation & Maintenance Manual Operating Instructions
40
Starting The Machine
All normal starting functions are incorporated in the key operated switch.
Turn the key switch to position 1.
Turn the key switch to crank position (3) (engine start position)
NOTE: Position (2) is used only when grid heater option is installed.
If grid heater option is installed, refer to the chart below for guidelines on use.
Table 1: Grid Heater Chart Guidelines
Release to position (1) when engine starts. The engine will now be running at a
reduced speed.
At temperatures below 32°F (0°C) or if there is difficulty starting first time:
Open the manual blowdown valve fully.
Complete starting sequence above.
Close manual blowdown valve as soon as engine runs freely.
Do not allow machine to run for long periods with manual blowdown valve open.
Allow the engine to reach operating temperature.
At this point in the operation of the machine it is safe to apply full load to the engine.
NOTE: Wear hearing protection at all times when the engine is started
with the manual blowdown valve open and air is flowing from the valve.
Temperatures
below -2°F (-19°C)
Temperatures
between -2°F and
17°F ( -19°C and -
8°C)
Temperatures
between 17°F and
46°F (- 8°C and
8°C)
Preheat
time
30 sec 20 sec 10 sec

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