Doosan D20S-5 Operation & Maintenance Manual page 142

Maintenance Section Maintenance Section
DOOSAN DOOSAN recommends recommends
conjunction with wear metal analysis) of used oil in conjunction with wear metal analysis) of used oil in
determining the effectiveness of oil TBN and acid determining the effectiveness of oil TBN and acid
neutralization. neutralization.
For fuel with sulfur exceeding 1.5% by weight, use For fuel with sulfur exceeding 1.5% by weight, use
oil with a TBN of 30 and reduce the oil change oil with a TBN of 30 and reduce the oil change
interval by one half. Also, infrared analysis and interval by one half. Also, infrared analysis and
wear metal analysis should be used to establish oil wear metal analysis should be used to establish oil
change intervals. change intervals.
Periodically request fuel sulfur content information Periodically request fuel sulfur content information
from your fuel supplier. Fuel sulfur content can from your fuel supplier. Fuel sulfur content can
change with each bulk delivery. change with each bulk
infrared infrared analysis analysis
delivery.
-139- -139-
(in (in
Gasoline Specifications Gasoline Specifications
Only unleaded gasoline should be used for Only unleaded gasoline should be used for
DOOSAN forklift trucks. DOOSAN forklift trucks.
The gasoline in which methanol is contained is not The gasoline in which methanol is contained is not
recommended. The gasoline in which ethanol is recommended. The gasoline in which ethanol is
contained is not recommended, either. contained is not recommended, either.
It is recommended to use gasoline fuel that has It is recommended to use gasoline fuel that has
octane number 87, to prevent knocking trouble. octane number 87, to p
LP Specifications LP Specifications
LP is "liquefied petroleum gas". The exact LP is "liquefied petroleum gas". The exact
composition of LP varies slightly between different composition of LP varies slightly between different
parts of the country and different refineries. HD5 or parts of the country and different refineries. HD5 or
HD10 is recommended for DOOSAN forklift trucks. HD10 is recommended for DOOSAN forklift trucks.
Composition of HD5 Composition of HD5
Propane (C Propane (C
Propylene Propylene
Butane (C Butane (C
4 4
iso iso - - Butane Butane
Methane (CH Methane (CH
Total Total
Remember LP is heavier than air and will sink Remember LP is heavier than air and will sink
to the lowest spot possible. Avoid areas near to the lowest spot possible. Avoid areas near
floor drains or lubrication pits where escaped floor drains or lubrication pits where escaped
fuel may collect. fuel may collect.
revent knocking trouble.
H H ) ) 90.0 90.0 % %
3 3 8 8
up up to to 5 5 % %
H H ) ) 2.0 % % 2.0
10 10
1.5 1.5 % %
) ) 1.5 % % 1.5
4 4
100 100 % %
WARNING WARNING