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12.3 Fuel Sampling
There is no drain cock on the fuel tank. To draining fuel from the fuel tank proceed as follow. Open the
filler neck. Lift the front wheel of the trike up until the fuel drain out from the filler neck. It is especially
important to remove any water that may have been introduced from the system.
The fuel is checked for water and contaminants by draining a sample of the fuel into a clear glass
container. Once a sample has been taken the quality of the fuel can be checked by looking for any water
at the bottom of the glass, and checking for any other visual contaminants. Ensure that there are no
ignition sources and that the fuel is disposed of correctly.
If the fuel has been sitting for an extended period without use it may be advisable to replace it with fresh
fuel.
12.4 Lubricating Oil
Engine lubrication
Mixture lubrication: Super two stroke oil ASTM/CEC standards, API-T classification (e.g. Castrol TTS)
mixing ratio 1:50 (2 %) for Polini Thor 250 and 1:40 (2.5 %) for JPX M25.
Polini Thor 250 gear reduction unit lubrication
ELF Moto Gear Oil 10 W 40 ANTI Clutch Slippage oil. As an alternative you can use also Shell advance
gear SAE 10 W 40 API GL-3 oil or oil with 10W40 viscosity compatible with clutch (similar to motorcycle
engine oil).
12.5 Fueling
Do not refuel the ultralight when it is raining (snowing), very dusty, unless measures are taken to
prevent precipitation and dust from entering the filler necks. Do not refuel the ultralight during
thunderstorms.
Do not start the engine, do not turn on the ignition switch, do not use explosive electric lamps or carry
out any assembly or disassembly work on the ultralight during refueling.
It is forbidden to refuel the ultralight if there is another aircraft with a running engine at a distance of
less than 25 m.
The ultralight must be properly grounded before refueling.
Before refueling, make sure the fuel is free of water and mechanical contaminants. Fill the tank through a
funnel with a filter, taking into account fire precautions. Do not allow dust, dirt and foreign contaminants
to enter the tank. When filling the tank, keep fuel away from the seat and wheel pneumatics.
Poor quality fuel is the main cause of engine failures.
Do all fuel work outdoors or in a well ventilated area and observe general safety precautions.
Use clean containers with a filter sump and expansion space for storing fuel.
Do not use fuel after a long period of storage.
Drain fuel from the fuel system when not in use for more than a week.
Fill fuel through a filter with a filter fineness of at least 0.15 mm.
Do not fuel the ultralight while the engine is running.
Do not operate the ultralight with fuel spilled on the ultralight components or at the ultralight parking
area.
12.6 Tire Inflation
The recommended tire inflation pressures are 2 Bar for both the front and rear tires. When checking
the tire pressures the opportunity should be taken to examine the tires for wear, cuts, bruises and other
defects.
12.7 CORS-AIR M 25 Y Engine Maintenance
Every 20 hours:
Check the exhaust system condition
Check the condition and gap (0.7 mm) of the spark plug
Clean the air-filter, the carburetor filter placed at the end of the fuel pipe and the filter of the fuel tank
Summary of Contents for ANT
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