O.S. Engines 18TM Revo - Manual (Page 27)

TROUBLE SHOOTING
Engine fails to fire.
Fuel tank is empty.
Fuel not reaching the engine.
Glowplug element is burnt out.
Glowplug battery discharged
Clogged fuel filter
Air cleaner and silencer inside is dirty.
Over priming
Fuel tubing is disconnected.
Fuel tubing is kinked, split or has a hole.
Incorrect carburetor settings
Incorrect servo linkage Re-linkage after setting servo at neutral.
Return the metering needle
and mixture control valve to basic position.
Connect fuel tubing securely.
Check the tubing carefully and replace if necessary.
Remove glowplug and pump excess fuel.
Clean or replace fuel filter.
Replace cleaner element and clean inside silencer.
Replace glowplug.
Recharge or replace the battery.
Fill the tank with fuel and repeat
Priming procedure.
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