SDMO R570U - Page 214

Cooling System
Type Pressurized, sealed
Pressure cap, max. opening pressure 75 kPa (10.88 PSI)
Coolant quantity (engine): 33 liter (8.72 US gallon)
Coolant quantity (engine, radiator and hoses):
TAD1640–42GE, TAD1641–43VE, TAD1650VE,
TAD1650–51GE
60 liter (15.85 US gallon)
TWD1643GE 95 liter (25.1 US gallon)
Thermostat, quantity 1 pc.
Thermostat, opening temperature:
TAD1640–42GE, TAD1641–43VE 86 °C (186.8 °F)
TAD1650VE, TWD1643GE 82 °C (179.6 °F)
Coolant
Volvo Penta Coolant VCS and VCS Ready Mixed (yel-
low colour) are based on Organic Acid Technology,
OAT.
Volvo Penta Coolant and
Coolant Ready Mixed (green
colour) are silicate based.
Water Quality
ASTM D4985:
Total solid particles <340 ppm
Total hardness <9,5° dH
Chloride <40 ppm
Sulfate <100 ppm
pH value 5.5–9
Silica (acc. ASTM D859) <20 mg SiO
2
/l
Iron (acc. ASTM D1068) <0.10 ppm
Manganese (acc. ASTM D858) <0.05 ppm
Conductivity (acc. ASTM D1125) <500 µS/cm
Organic content, COD
Mn
(acc.
ISO8467)
<15 mg KMnO
4
/l
P0002094
Technical Data
84 7748681 12-2011
212/297