Robin EHO9-2D - Engine Operation and Adjustments; Engine Break-in Procedure; Engine Speed Adjustment

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2-3 BREAK-IN OPERATION
A new engine or an engine that has been completely overhauled by being fitted with a new
piston, rings, valves and connecting rod should be thoroughly RUN-IN before being put back
into service.
Good bearing surfaces and running clearances between the various parts can only be
established by operating the engine under reduced speed and loads for a short period of time.
While the engine is being tested, check for oil leaks.
Make final carburetor adjustment and regulate the engine operating speed.
2-4 ENGINE SPEED ADJUSTMENT
High-speed side ; Engine speed is varied by the equipment, so adjust the speed to the specified one
indicated on the equipment.
Low-speed side ; Adjust the engine speed to 1,400 rpm by the carburetor idle screw, and then adjust to
1,600 rpm by adjusting screw of governor base plate.
TimeEngine SpeedLoadStep
Step 3
Step 2
Step 1
No Load
No Load
No Load
10 min.
2,500 rpm
10 min.
3,000 rpm
10 min.3,600 rpm