Technical data: TD/TAD420VE, TAD620VE, TAD650VE, TAD660VE
32
Group 20
Intake and exhaust system
Turbocharger
Make and designation ............................................ Schwitzer S200
Boost pressure at rated speed
1)
, ±10 %:
TD420VE ............................................................ 105 kPa (15.2 psi)
TAD420VE .......................................................... 143 kPa (20.7 psi)
TAD620VE,TAD650VE,TAD660VE ..................... 155 kPa (22.5 psi)
Lube system .......................................................... Pressure lubrication
Max, permitted radial clearance
(compressor side) ............................................... 0.88 mm (0.0346")
Max, permitted axial clearance .............................. 0.1 mm (0.0039")
Max allowed back pressure in exhaust line ............ 7.5 kPa (0.9 psi)
Exhaust gas temperatur, approx:
At engine speed
1)
: .................................................. 1800 rpm 2100 rpm 2300 rpm 2500 rpm
TD420VE ............................................................ 555°C 540°C 540°C 540°C
(1031°F) (1004°F) (1004°F) (1004°F)
TAD420VE .......................................................... 490°C 470°C 475°C 475°C
(914°F) (878°F) (887°F) (887°F)
TAD620VE,TAD650VE,TAD660VE ..................... 485°C 465°C 460°C 455°C
(905°F) (869°F) (860°F) (851°F)
1)
See General information, Power standards.
Cooling system
Type ...................................................................... Pressurized, closed
Pressure valve opens at max
2)
............................ 90 kPa (13 psi)
2)
Versatile engines are not equipped with a pressure valve from factory
Capacity, engine:
TD420VE/TAD420VE .......................................... 4.7 liters (1.24 US gal)
TAD620VE,TAD650VE,TAD660VE ..................... 6 liters (1.58 US gal)
Thermostat:
Type ...................................................................... One piston thermostat
Begins to open at ................................................... 83°C (181°F)
Fully open at .......................................................... 95°C (203°F)
Coolant pump:
Type ...................................................................... Belt-driven centrifugal pump
Glycol (Antifreeze)
Volvo Penta glycol (antifreeze) mixed 45/55 with clean water
Anti-corrosion agent
Used only in markets where there is no risk of freezing, mixed with water
3)
.
3)
The anti-corrosion agent must not be mixed with glycol or other types of anti-corrosion fluid as this could result in negative consequences.
Water quality specification:
To avoid the risk of clogging in the cooling system, the coolant should be mixed with pure water to ASTM D4985.
If any doubt about the purity of the water, distilled water or ready-mixed coolant should always be used instead.
Air intake
Air intake restriction, clean filter ............................. 2.5 kPa (0.3 psi)
Max allowed air intake restriction ........................... 6.5 kPa (0.9 psi)
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