Valve Arrangement; Cylinder Head; Governor System - Robin EH09D Service Manual

4-7 VALVE ARRANGEMENT

The intake valve is located on the flywheel side of the cylinder head.
Hard alloy valve seats are molded in the cylinder head and satellite is fused to the exhaust valve face.
The cylinder baffle leads cooling air to the exhaust valve area for the optimum cooling.
INTAKE
VALVE

4-8 CYLINDER HEAD

The cylinder head is an aluminum die-casting
which utilizes wedge type combustion chamber
for the high combustion efficiency.

4-9 GOVERNOR SYSTEM

The governor is a centrifugal flyweight type which
ensures constant operation at the selected speed
during load variations.
The governor gear with governor weights is in-
stalled on the main bearing cover.
IN EX
EXHAUST
VALVE
Model: EH09D
Fig. 4-7a
INTAKE
VALVE
GOVERNOR GEAR
- 9 -
IN EX
EXHAUST
VALVE
Model: EH12-2D
Fig. 4-7b
Fig. 4-8
Fig. 4-9