How To Inspect The Fuel Lines; How To Clean Fuel Valve - OREC AHRC 663 Operating Instructions Manual

How to inspect the fuel lines

 When inspecting the fuel line, be absolutely sure not to be in the presence of lit tobacco, naked
flame, or other sources of ignition. These can cause fire and explosions.
Fuel pipe
How to clean the fuel valve
 When cleaning the fuel valve, be absolutely sure not to be in the presence of lit tobacco, naked flame,
or other sources of ignition. These can cause fire and explosions.
 Do not wash with highly flammable substances such as gasoline or thinner.
 Clean inside the fuel valve after every 50 hours of operation.
 Perform this work in a clean place free from dust and dirt. Accidents can be caused if dust and d irt
enter the machine.
 The rubber parts of the fuel pipe will deteriorate even if you do
not use the machine. Change the attaching bands together with
new fuel line parts every 3 years or immediately if they have
split.

Always take care that the fuel line and fastening bands do not
become loose or split.

When changing the fuel line, be sure there is no dust or dirt
inside.
1.
Move the fuel valve to the OFF position, and
then remove the fuel sediment cup and O-ring.
2.
Wash the sediment cup in non-flammable
solvent, and dry it thoroughly.
3.
Place the O-ring in the fuel valve, and install the
sediment cup.Tighten the sediment cup securely.
4.
Move the fuel valve to the ON position, and
check for leaks.Replace the O-ring if there is any
leakage.
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