Os-engines FS-40S Uživatelský manuál stáhnout pdf (Strana 30)

Fig.4

Insert 0.04mm feeler gauge between valve stem

and rocker-arm and gently turn adjusting screw

clockwise until it stops.(Fig.4.)

0.04mm Feeler

Gauge

Turn with fingers

until it stops.

Re-tighten locknut while holding adjusting screw

stationary. (Fig.5.)

Hold at the screw head.

Fig.5

Tighten Locknut.

Remove 0.04mm feeler, rotate prop through two

revolutions and recheck gap.

If clearance is correct, loosen the locknut on the

other rocker-arm and repeat steps 1 to 5 above.

Finally, replace rocker box cover.

Remember:

Excessive valve clearance will cause loss of

power, due to valve (s) not opening sufficiently.

On the other hand, a total loss of clearance may

cause difficult starting due to valves not closing

properly, resulting in loss of compression.

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Os-engines FS-40S Uživatelský manuál Strana 30