Doosan D20S-5 Operation & Maintenance Manual page 81

Dual Fuel System Dual Fuel System
Changing From Gasoline to LP – Changing From Gasoline to LP –
Gas Gas
NOTE: The NOTE: The
requires that the gasoline tank must be at requires that the gasoline tank must be at
least one - quarter full when operating on least one - quarter full when operating on
LP. This will allow the lift truck to be LP. This will allow the lift truck to be
restarted on gasoline and moved to an restarted on gasoline and moved to an
approved refueling area, when operating in approved refueling area, when operating in
a hazardous area. a hazardous area.
1. 1. Park the lift truck level in an authorized refueling Park the lift truck level in an authorized refueling
area with the forks lowered, the parking brake area with the forks lowered, the parking brake
applied, the transmission in NEUTRAL and the applied, the transmission in NEUTRAL and the
engine running. engine running.
2. 2. Move lever (1), on the fuel selector switch to the Move lever (1), on the fuel selector switch to the
OFF (2) position. Leave lever (1) in this position OFF (2) position. Leave lever (1) in this position
until the engine stops. until the engine stops.
3. 3. Move lever (1) to the LPG (3) position. Move lever (1) to the LPG (3) position.
Underwriter's Underwriter's Laboratory Laboratory
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4. 4. Open the fuel valve, on the LP tank, by slowly Open the fuel valve, on the LP tank, by slowly
turning the turning the valve counterclockwis
5. 5. Turn the ignition switch key to the OFF position Turn the ignition switch key to the OFF position
(U.L.) (U.L.)
and then to the START position to start the and then to the START position to start the
engine. Release it when the engine starts. engine. Release it when the engine starts.
Changing From LP to Gasoline Changing From LP to Gasoline
1. 1. Park the lift truck level in an authorized Park the lift truck level in an authorized
refueling area with the forks lowered, the refueling area with the forks lowered, the
parking brake applied, the transmission in parking brake applied, the transmission in
NEUTRAL and the engine running. NEUTRAL and the engine running.
2. 2. Close the fuel valve on the Close the fuel valve on the LP tank. hood open.
Operation Section Operation Section
valve counterclockwise. e.
LP tank. hood open.