Os-engines FS-40S Manuel d'utilisateur télécharger pdf (Page 26)

Symptom

Factor

Cause

Corrective action

Recharge the electric starter battery.

Recharge lead-acid cell or replace dry battery. (Note: An unused, or

almost unused, dry battery may sometimes be of insufficient capacity if it is

"old stock".)

Replace glowplug. Check that applied voltage is not too high.

Check glowplug heating using other leads.

Close needle-valve fully and remove glowplug, then flip propeller to pump

out excess fuel. (Invert engine, if possible, while pumping out excess).

Re-start engine. (Priming is not necessary at this time.)

Repeat priming procedure referring to 7 Priming.

Sluggish rotation

Glowplug battery

discharged.

Glowplug element is

burned out

Something wrong with

battery leads.

Engine "flooded" due to

excessive priming.

Insufficient priming.

★

★★

★

★★

★

Engine fails

to fire.

......

.....

....

.....

TROUBLE SHOOTING WHEN THE ENGINE FAILS TO START

Four key points

For quick, reliable starting, the following four conditions are required.

1 Good compression. 2 Adequate "glow" at glowplug. 3 Correct mixture.

4 Sufficient electric starter rotating speed.

If the engine fails to start, or does not keep running after being started, check symptoms against the

following chart and take necessary corrective action.

Note: The most common causes of trouble are marked with three asterisks, the less common problems

with one or two asterisks.

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 39 40

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Os-engines FS-40S Manuel d'utilisateur Page 26

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