Hyundai HYB33, User Manual

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3.3 Adjusting the harness straps.
3.3.1 Pull the end of the straps (1) downward to tighten the harness.
3.3.2 Lift the tabs (2) of the two sliding adjusters.
3.3.3 Adjust the straps so that the back plate is held firmly and comfortably against
your back.
3.4 Fuelling.
3.4.1 Your engine requires a mixture of petrol and two stroke oil. The quality of
these constituents and the mixed ratio has a decisive influence on the function and
service life of the engine.
3.4.2 Use only regular unleaded petrol.
3.4.3 Use only quality two-stroke engine oil.
3.4.3.1 Fuel ratios;
3.4.3.1.1 Pre-mix 2-stroke oil with fresh unleaded petrol as follows:
3.4.3.1.1.1 Mineral based 2-stroke oil : 25:1 (40ml of oil
per 1 litre of petrol).
3.4.3.1.1.2 Synthetic 2-stroke oil: 40:1 (25ml of oil per 1
litre of petrol).
3.4.4 Avoid direct skin contact with petrol and avoid inhaling petrol fumes.
3.4.5 Use a container approved for storing fuel. Pour oil into the container
first, then add petrol, and mix thoroughly. Do not mix too m uch fuel as it will last
from one season to another.
3.4.6 Thoroughly shake the mixture in the container before fuelling your machine.
3.4.7 Pressure may build up in the container so open it carefully.
3.4.8 Clean the fuel tank and container on a regular basis.
3.4.8.1 Dispose of cleaning fluid properly at authorised disposal location.
3.4.8.2 Before refuelling, clean the filler cap and the area around it to ensure
that no dirt falls into the tank.
3.4.8.3 Position the unit so that the filler cap is facing up.
3.4.8.4 Take care not to spill fuel while fuelling and do not overfill the tank.
3.4.8.5 After refuelling, tighten down filler cap by hand as securely as possible.
3.4.9 Change the fuel filter once every year.
3.4.9.1 Drain the fuel tank
3.4.9.2 Use a hook to pull the fuel filter (1) out of the tank.
3.4.9.3 Push the new filter into the hose.
3.4.9.4 Place the filter in the tank.
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