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How to set Volvo Penta D2-50 Valve Clearances EP101
7 March 2024 · 20 min · 3K views
What this video covers
Adjusting valve clearances on a Volvo Penta D2-50 engine requires removing the rocker cover, air filter housing, and air intake manifold to access the cylinder head. The manufacturer recommends this service every 600 hours or four years.0:59 To perform the adjustment, rotate the engine to top dead center for each cylinder using a makeshift tool inserted into the crank pulley holes, as standard large sockets may not fit in tight engine compartments.7:56 Use a 0.2 mm feeler gauge to measure the gap between the tappet and rocker.9:48 Apply the "rule of nine" method to ensure each valve is fully closed before checking: when a specific valve is fully open, the valve whose number sums to nine with it is ready for adjustment.10:10 If the feeler gauge is too tight or loose, loosen the lock nut with a 10 mm spanner and adjust the screw until the gauge slides with slight resistance.13:06 Four of the eight valves on the D2-50 required adjustment during this procedure.15:49
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