Volvo Penta MD6A MD7A Workshop Manual

Valve springs
Length, off-load                                 
Loaded with 170±10 N (17±1 kp = 37.5±2 lbf)           
Loaded with 300±20 N (30±2 kp = 66±4.5 lbf)        
42.5 mm (1.6732”)
32 mm (1.2598”)
24 mm (0.9449”)
Lubricating system
Engine
Oil capacity, excl. filter                           
Oil capacity, incl. filter                            
Oil quality ace. to API-system                      
Viscosity, above +10 C (50  F)                      
Viscosity, below +100C (500F)                      
Oil pressure, hot engine, idling speed                 
Oil pressure, hot engine, full speed              
2.8 litres (2.5 lmp.qts. = 2.9 US qts.)
3.0 litres (2.6 lmp.qts. = 3.2 US qts.)
CD (DS)
0
0
SAE 20 W
SAE 10 W
0.8—1.5 kp/cm  (11 .4—21 .3 lbf/in2)
2
2
2
3.5—4.0 kp/cm  (50—57 lbf/in )
Reverse gear
Oil quality/Viscosity
Same as for engine
0.4   (0.4)
0.55 (0.5)
3
Oil capacity, din  (qts.), red. 1:1                     
3
Oil capacity, din  (qts.), red. 1.91:1              
Combi reduction gear
Reduction gear                                 
Reversing mechanism and propeller hub           
Same oil compartment as engine’s  
Lubricating grease Shell Alvania EP2 or similar
Lubricating oil pump
Type                                         
Gear wheel pump
Relief valve spring: Length, off-load                  
Loaded with 15 N (1.5 kp = 3.3 lbf)                   
Loaded with 46 N (4.6 kp = 10 lbf)                  
Axial clearance of gear wheels incl. gasket         
45 mm (1 .7717”)
40 mm (1.5748”)
29 mm (1 .1417”)
0.048—0.084 mm (0.0020—0.0033”)
Fuel system
Fuel injection pump, make Bosch (Up to engine no 19999)
Fuel injection pump CAV (From engine no 20000)        
Injectors, make Bosch, holders                     
Nozzles                                       
0 460 302 008
0 3222 F070
0 431 112 001
0 433 171 009
Hole diameter                                  
Opening pressure                                
Spray angle                                    
Four 0.23 mm (0.0091”)
185—193 kp/cm2 (2631—2744 lbf/in2)
0
150 C
Advance angle, Bosch pump                       
Advance angle, CAV pump                        
Injection quantity, Bosch pump                     
Injection quantity CAV pump                 
11°± 1°  b.t.d.c.
14°± 0.1°  b.t.d.c.
18±0.5 mg/stroke at 43 rev/sec. (2580 rev/min)
17.5±0.5 mg/stroke at 43 rev/sec. (2580
rev/mm)
Feed pump
Type                                         
Feed pressure at 42 rev/sec (2500 rev/mm)            
Pierburg PE 15672
0.65—0.85 kp/cm2 (9.2-12.0 lbf/in2)
41
Product Specification
CategoriesVolvo Penta Manuals
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(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.
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Volvo Penta MD6A MD7A Workshop Manual SKU UPC Model
seg seg on Jun 30, 2015.

good manual just what I needed
Loo-Dawgie on Mar 20, 2015.

Well i haven't read it yet but it's gonna help me out when I do.

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