Partly disassemble Volvo Penta MD6A, MD7A, MD7B part 1.

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Removing head, water pump, exhaust and tappet cover. In this video I am removing parts from a MD7B until the piston heads are visible in the sleeves. The oil on the dipstick indicated that the engine had to much oil. The compression lever was stuck.
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Hello, I just finished rebuilding such an engine, I'm at the break-in stage 4 hours of work behind me. good luck

kubaszyszkowski
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Have to be very very careful with the VA model injector pump on that engine. Extremely hard to get certain parts for them nowadays.
Clean waterfree fuel is an absolute must with them more so than a standard type pump.
I remove those factory saltware pumps and fit a pedastal type to remedy the issue tou have with them filling up the engine with water.
Exhaust manifolds also fail due to being saltwater cooled so best thing is to fit a 3 way vslve on seawater intake so after a day out it can be closed to run the engine from a 20 litre bucket of freshwater. Also with the 3 way valve if the boat starts to fill up with saltwater you can close the valve and use the engine as a bilge pump while still motoring the boat.

matui