Zenoah GZ330, Operator'S Manual, Page: 32 / 132

Air cleaning system
AirInjection
™
is a centrifugal air cleaning system that
removes dust and dirt before the particles are caught by
the air filter. AirInjection
™
extends the life of the air filter
and the engine.
Cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
starter (1) and the air guide plate (2), the fins on the
flywheel (3), the cooling fins on the cylinder (4).
4
2
3
1
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
CAUTION:
A dirty or blocked cooling
system can make the product too hot, which
can cause damage to the product.
Troubleshooting
The engine does not start
Product part to examine Possible cause Action
Starter pawls The starter pawls are blocked. Adjust or replace the starter pawls.
Clean around the pawls.
Speak to an approved service work-
shop.
Fuel tank Incorrect fuel type. Drain the fuel tank and fill with cor-
rect fuel.
The fuel tank is filled with chain oil. If you have tried to start the product,
speak to your servicing dealer. If you
have not tried to start the product,
drain the fuel tank.
Ignition, no spark The spark plug is dirty or wet. Make sure that the spark plug is dry
and clean.
The electrode gap is incorrect. Clean the spark plug. Make sure that
the electrode gap and spark plug is
correct, and that the correct spark
plug type is the recommended or
equivalent.
Refer to
Technical data on page 34
for the correct electrode gap.
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