EY35, EY40 - Small Engine Discount
EY35, EY40 - Small Engine Discount
EY35, EY40 - Small Engine Discount
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4-8 GOVERNOR<br />
The governor is a centrifugal flyweight type which permits<br />
constant operation at the selected speed against load variations.<br />
(See Fig. 9.)<br />
4-9 BALANCER<br />
Fig. 9<br />
The balancer is assembled with the main bearing cover. Unbalanced<br />
moments of inertia generated in vertical and horizontal<br />
directions by the crankshaft, piston and connecting<br />
rod are balanced by the balancer whxh rotates at the same<br />
rate as the crankshaft in opposite direction thereto, thus reducing<br />
vibration due to unbalanced moments of inertia.<br />
(See Fig. 10.)<br />
4-10 DECOMPRESSION DEVICE<br />
Fig. 10<br />
The intake cam has a special profile and the intake valve is sligh .tly raised during the compression stroke to let a slight amou<br />
of compressed air out to make starting easy. (See Fig. 11 .)<br />
EXHAUST TAPPET IN TAPPET<br />
IN TAPPET<br />
'.O. SHAFT<br />
SIDE<br />
EXHAUST-CAM<br />
IN CAM<br />
DECOMP LIFT<br />
Fig. I 1<br />
-7-