Electrical system
Battery voltage
12 V
Battery capacity
Starter motor, Bosch
Starter motor output
Alternator SEV Marchal
Alternator output
Battery electrolyte specific gravity: Fully charged battery..
When charging has to be carried out
Max. 120 Ah
0 001 311 115
1.1 kW (1.48 h.p.)
70 229712
490W 35A
3
1.275—1.285 g/cm
3
1.230 g/cm
Cooling system
Thermostat
Starts opening at
Fully open at
Bellows thermostat
0 0
60 C (140 F)
0
0
74 C (165 F)
WEAR TOLERANCES
Cylinders
Rebore for wear
(or if engine has abnormal fuel consumption)
0.25 mm (0.010”)
Crankshaft
Main bearing and connecting rod journals
Permitted out-of-roundness
Permitted taper
0.06 mm (0.0024”)
0.05 mm (0.0020”)
0.40 mm (0.157”)
Max. axial play on crankshaft
Camshaft
Bearing journals, permitted out-of-roundness
Max. clearance between camshaft and bushings
0.03 mm (0.0012”)
0.15 mm (0.0060”)
Valves
Max. clearance between valve stem and guide
Edge of valve disc should be mm
0.15 mm (0.0060”)
1.0 mm (0.0400”)
Tightening torques
Nm
70
20
70
180
70
60
80
50
8
Kpm
7
2
7
18
7
6
8
5
0.8
7
7
4.5
4.5
Lbf ft
51
14
51
130
51
43
58
36
5.8
51
Cylinder head nuts
Cylinder head stud bolts
Bolt for flange on crankshaft
Flywheel nut
Connecting rod bolts
Water pump flange (Bosch fuel injection pump)
Water pump flange (CAV fuel injection pump)
Main bearings
Nuts for fork for injectors
Bolt for intermediate gear transmission
Starter motor bolt
70
70
45
45
51
33
33
Bolt, front engine mounting
Bolt, rear engine mounting
Tightening scheme for cylinder head nuts
42
| Categories | Volvo Penta Manuals |
|---|---|
| Tags | Volvo Penta MD6A, Volvo Penta MD7A |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(2 votes, average: 3.5 out of 4)
Marine readers have rated Volvo Penta MD6A MD7A Workshop Manual 3.5 out of 4.0 based on 2 product reviews. good manual just what I needed
Well i haven't read it yet but it's gonna help me out when I do.