Technical Data - Volvo Penta MD7A Instruction Book

TECHNICAL DATA

Technical Data
General
Engine designation
Number of cylinders
Propeller shaft output
Max operating speed r/s (rpm).
Cylinder diameter, mm (inches)
Stroke, mm (inches)
3
Displacement, din (in
Compression pressure kp/cm
Idling Speed r/s (rpm)
Direction of rotation looking at flywheel
Max rearwards inclination, boat underway
Max sideways inclination, boat underway
Engine weight incl. reverse gear, kg (lbs)
Engine weight incl. S-Drive model 110S. kg (lbs)
Valves
Valve clearance, hot engine:
inlet, mm (in)
exhaust, mm (in)
Decompression device, max downwards movement of
exhaust valve, mm (in)
Lubrication system
Engine
3
Oil capacity, din (imp qts
incl. filter
excl. filter
Oil quality
Viscosity:
0
above +10 C
0
below +10 C
Oil pressure, hot engine:
idling speed, kp/cm
at full speed, kp/cm
MSB reverse gear with reduction gear:
Ratio, with reduction gear
3
Oil capacity, din (imp qts
Oil quality (same as for the engine)
Viscosity
1) Propeller shaft output to DIN Leusting B f&r Dauerbetrieb
2) Volvo Penta CD oil, Double grade.
3) Volvo Penta CD oil, Single grade.
30
1)
kW (HP) at 43,4 r/s (2600 rpm)
3
)
3
(psi) (starter motor speed)
.
US qts)
=
2
(psi)
. .
3
(psi)
. .
US qts)
—
. .
MD7A
2
9,6 (13)
43,3 (2600)
76,0 (2,99)
82,0 (3,23)
0,744 (45.4)
20—24 (285—340)
11—13 (650-780)
clockwise
15°
15°
175 (385)
192 (423)
0,30 (0.012)
0,30 (0.012)
0,5 (0.0197)
2,8 (2.5 =2.9)
2,5 (2.2 =2.7)
Diesel Lubricating Oil
CD
2)
SAE 20
3)
SAE lOW
0,8—1,5 (14—21)
3,5—4,0 (50—57)
1,91:1
0,60 (0,5—0,6)
Diesel Lubricating Oil
CD
See under engine
above!