Shibaura FT450-A, Руководство пользователя

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5. Periodical inspections
(4) Changing the fuel in fuel tank
If fuel is kept for a long time, its quality may deteriorate, its starting ability
may degrade, the carburetor may be clogged with solids, or corrosion may
occur. There is no such inconvenience in case of refilling upon consumption
of more than half the fuel. If refilling is small, change the fuel with new one
every 6 months.
○
While adding fuel, do not get a fire near it.

There is a fear of inflammation or explosion.
(5) Cleaning the ignition plug
Use the ignition plug specified for a particular model.
Model Spark plug
FT450-A
NGK B8HVX
FT500-A
Clean the ignition plugs contaminated with exhaust gas or carbon.
A) Stop the engine and wait until it has cooled down sufficiently before
starting any work.
B) Remove the plug cap and remove the ignition plug using a box spanner
for the ignition plug.
○
Do not touch the ignition plug or high-tension cord during operation.

You may get electrical shock.
C) Clean the outside, inside and
electrodes of the ignition plug.
D) Adjust the gap of electrodes as
shown in the right figure.
E) Tighten the plug to the cylinder
head and push in the ignition plug
cap.
(6) Inspecting the V belt
If the V belt has elongated, worn away or cracked,
replace it with a new one.
A) Open the recoil starter.
B) Remove the plastic cover from the vacuum
pump side.
C) Take out the belt from the pulley groove.
D) Put a new belt into the pulley groove.
E) Remount the cover.
Caution
Caution