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f. Ineffective combustion
As the engine provides the source of power, it has most influence on efficiency. Optimum
engine efficiency is only guaranteed if there is effective combustion. Check whether the
choke valve has shut of its own accord as a result of vibration during snow clearing or
a lack of maintenance. This means that the supply of fuel to the engine is excessive and
leads to incomplete combustion.
This is checked during regular visits to an affiliated ELIET dealer or servicing point for the
brand of engine. Request that the following tasks are carried out during every service:
• Carburettor revision
• Ignition check
• Measurement and adjustment of valve clearance
Warning:
Ineffective combustion in the engine gives rise to after-burning in the exhaust.
This increased exhaust temperature may lead to severe damage to the catalytic
converter. Such damage and any subsequent problems with the engine are not
covered by the guarantee.
g. Condensation in fuel tank
Another possibility is that water has ended up in the fuel tank as a result of condensation.
The fact that water is heavier than fuel means that the water sinks to the bottom of the
fuel tank. The same phenomenon will be observed on the fuel filter itself. Set the machine
on an incline and disconnect the fuel supply line so that the water can be discharged.
9.7.4
Blow chute is stuck (no longer rotates)
Caution:
The bolts around the blow chute should not be secured tightly. They should be
loose enough to be turned by hand.
