Trouble Shooting - O.S. engine max-12TZ series Owner's Instruction Manual

TROUBLE SHOOTING

Symptom
Engine fails to fire.
Cause
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 servo linkage
Reverse rotating direction of starter box.
Symptom
Engine fires intermittently but does not run.
Cause
Insufficient fuel in the tank.
Deteriorated glowplug
Clogged fuel filter
Air cleaner and silencer inside is dirty.
Engine overheated
Incorrect clutch release
Starting battery disconnected too soon.
Vibration causing air bubbles in fuel.
Corrective action
Fill the tank with fuel and repeat
Priming procedure.
Replace glowplug.
Recharge or replace the battery.
Clean or replace fuel filter.
Replace cleaner element and clean inside silencer.
Remove glowplug and pump excess fuel.
Connect fuel tubing securely.
Check the tubing carefully and replace if necessary.
Connect correctly after setting servo at neutral.
Mare sure it rotates counter clockwise seen
from crankshaft side.
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Corrective action
Fill the tank with fuel.
Replace glowplug.
Clean or replace fuel filter.
Replace cleaner element and clean inside silencer.
Wait until engine is cool.
Adjust the tension of clutch spring.
Do not disconnect plug battery and wait until
r.p.m. become stable.
Install "O" rings to the tank screws to
prevent bubbles.
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