Volvo Penta D2-55 Workshop Manual

98
Group 20 Technical data
D2-55 A/B/C D2-75 A
Fuel system
Injection sequence ........................................................ 1-3-4-2 1-3-4-2
Feed pump max. suction height .................................... 0.8 m 0.8 m
Feed pressure ............................................................... 15-25 kPa 15-25 kPa
Injection pump
Injection start, crankshaft position ................................ 22.0
o
± 1
o
b.t.d.c. 22.0
o
± 1
o
b.t.d.c.
Pump element diameter ................................................ 6 mm 6 mm
Stroke ........................................................................... 7 mm 7 mm
Injectors
Opening pressure (for checking) .................................... 15.2-16.2 MPa 15.2-16.2 MPa
Opening pressure (when adjusting) ................................ 15.7 MPa 15.7 MPa
Needle valve, diameter.................................................. 4 mm 4 mm
Pin diameter .................................................................. 1 mm 1 mm
Jet angle ....................................................................... 4
o
4
o
Cooling system
Type .............................................................................. Over-pressure, Over-pressure,
closed cooling system closed cooling system
Freshwater system volume, approx. .............................. 9.5 liter 9.8 liter
Thermostat, qty. ............................................................ 1 1
Thermostat starts opening at ........................................ 82
o
± 4
o
C82
o
± 4
o
C
fully open at .................................................................. 95
o
C 95
o
C
Thermostat valve lifting height ...................................... 8 mm 8 mm
Electrical system
System voltage ............................................................. 12 V 12 V
Fuses ........................................................................... 15 A 15 A
Battery capacity (starter battery)................................... 88 Ah 88 Ah
Glow plugs:
rated voltage ................................................................. 10.5 V 10.5 V
current .......................................................................... 6.9 A 6.9 A
Alternator
Voltage output at +20 °C with sensor ................ 14.2 ± 0.15 V 14.2 ± 0.15 V
without sensor............ 14.2 ± 0.3 V 14.2 ± 0.3 V
Max current ................................................................... 115 A 115 A
Power, approx. .............................................................. 1630 W 1630 W
Suppression capacitor ................................................... 2.2 μF 2.2 μF
Starter motor
Starter motor, power app. .............................................. 2.0 kW 2.0 kW

Volvo Penta D2-55 Specifications

General

Engine Type	Diesel
Number of Cylinders	4
Power Output	55 hp
Aspiration	Naturally aspirated
Alternator	115 A
Fuel System	Direct injection
Bore x Stroke	84 mm x 100 mm
Cooling System	Freshwater cooling with heat exchanger
Width	523 mm
Displacement	2.2 l (134 cu in)