Os-engines 91HZ-R 3C Uživatelský manuál stáhnout pdf (Strana 22)

TROUBLE SHOOTING

Symptom

Cause

Corrective action

Engine fails to fire.

Fuel tank is empty.

Fuel not reaching the engine.

Fill the tank with fuel and repeat.

Priming procedure.

Glowplug element is burnt out.

Glowplug battery discharged

Replace glowplug.

Recharge or replace the battery.

Clogged fuel filter. Silencer inside is dirty.

Clean or replace fuel filter.

Clean inside silencer.

Over priming Remove glowplug and pump out excess fuel.

Fuel tubing is disconnected.

Connect fuel tubing securely.

Fuel tubing is kinked, split or has a hole.

Check the tubing carefully and replace if necessary.

Incorrect carburetor settings

Return the needle valve

and mixture control valve to basic position.

Incorrect servo linkage

Reconnect linkage after setting servo at neutral.

Reverse rotating direction of electric starter.

Mare sure the engine rotates counter clockwise

seen from crankshaft side.

Symptom

Cause

Corrective action

Engine fires intermittently but does not run.

Insufficient fuel in the tank. Fill the tank with fuel.

Deteriorated glowplug

Replace glowplug.

Clogged fuel filter

Silencer inside is dirty.

Clean or replace fuel filter.

Clean inside silencer.

Engine overheated

Wait until engine has cooled.

Disconnecting plug battery too soon.

Do not disconnect plug battery and wait until

the r.p.m. becomes stable.

Air bubbles in fuel

Fit O rings to the tank screws to

prevent bubbles.

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Os-engines 91HZ-R 3C Uživatelský manuál Strana 22

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