EasyManuals Logo

WEICHAI WP10.270 User Manual

WEICHAI WP10.270
49 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #13 background imageLoading...
Page #13 background image
Operation and Maintenance Manual forWP10 Series Four-valve Diesel Engine (China IV, V)
7
3.5 Diesel Exhaust Fluid
The substandard diesel exhaust fluid(DEF) will easily lead to poisoning failure of SCR catalyst orlower reduction
efficiency(For instance, the out-of-limit of phosphorus, sodium, potassium and calcium contents in the DEF will
easily lead to poisoning of catalyst and if the concentration of DEFis unqualified, it will easily lead to excessive
leakage of NH3 or lower reduction efficiency of NOx) and excessive emission and malfunction indicator lamp
warning. So, the quality and the performance of DEF shall meet the requirements specified in standard ISO 22241.
See table 3-5 for details.
Table 3-5DEF specifications as perISO 22241
Items
Unit
Minimum
Maximum
Urea content
% by weight
31.8
33.2
Density at 20°C
kg/m³
1,087
1,093
Refracting index at 20°C
-
1.3814
1.3843
Alkalinity as NH
3
%
-
0.2
Biuret
%
-
0.3
Aldehyde
mg/kg
-
5
Insolubles
mg/kg
-
20
Phosphate (PO
4
)
mg/kg
-
0.5
Calcium
mg/kg
-
0.5
Iron
mg/kg
-
0.5
Copper
mg/kg
-
0.2
Zinc
mg/kg
-
0.2
Chromium
mg/kg
-
0.2
Nickel
mg/kg
-
0.2
Aluminium
mg/kg
-
0.5
Magnesium
mg/kg
-
0.5
Sodium
mg/kg
-
0.5
Potassium
mg/kg
-
0.5
3.6 Auxiliary materials
Table 3-6 Auxiliary materials and applications

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the WEICHAI WP10.270 and is the answer not in the manual?

WEICHAI WP10.270 Specifications

General IconGeneral
BrandWEICHAI
ModelWP10.270
CategoryEngine
LanguageEnglish

Related product manuals