Polini THOR 80, Use And Maintenance Manual

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12
ENGLISH
animals during the engine life. We remind you that this product is
not certificated and it is only dedicated to experimental
aircraft
and that it can break or suddenly stop working. No warranty
or compensation is foreseen for damages caused to:
- people/animals/things during the engine use
- people/animals/things caused by a collide with the propeller or with
parts detached from the engine
- frame, parts and/or propeller caused by the collide with parts
coming out from the engine
- costs for rescue, shipping, phone or rent after the collide, problems
or loss of time, or other indirect damages.
DANGER! This not-certified engine can suddenly stop working.
The engine stop can require emergency landings causing injuries or
death. The aircraft thrusts by this engine should fly in open spaces
only or during the daylight. The buyer assumes all the risks for the
use and he knows that by using it the engine can suddenly stop
working. This product is not covered by products and public liability.
Who flies with this engine or only switches it on assumes all the risks
inherent to engine flying sport and all the responsibilities for damages
to things or people or death caused by the use of this product.
On accounts of this, the guarantee does not cover damages caused by
the installation of the engines on machines that requires certified
engines, on machines that are not adequate, on machines that
requires different type of engine. The vendor won’t be responsible for
damages caused by the users or third parties.
2- FUEL
Thor is a 2-stroke engine that needs oil/petrol mixture. Only use good
lead-free petrol purchased by a petrol station with 98 octanes. Add
good 2% synthetic oil to the petrol. It is possible to use a 1,5% oil
mixture with the following oils:
MOTUL 800-VALVOLINE RACING 2T FULL SYNTHETIC SAE 50 - BARDAL
KXT - ELF 976 – ELF 909
Never keep the petrol into containers for a long time because its
quality will be damaged. Only use certified metallic containers for
petrol carriage. Mix up the petrol with the oil ONLY when you are
using it.
WARNING: The nature of the carbon deposits on the cylinder
head, spark plug and exhaust port give important information about
the fuel mixture burning in your engine. Remember that mixes that
contain too much oil do not extend the engine’s life.
ATTENTION:
petrol is extremely inflammable and explosive.
Carry out these operations in a well ventilate place and with the
engine switched off. Refrain from smoking and avoid all naked
flames or sparks where petrol is being drained or where re-fuelling is
being performed.
ATTENTION! For American customers only. The European range
of octane is different from the American one:
e.g. EU 95 OCTANE = US 91 OCTANE / EU 98 OCTANE = US 93
OCTANE
For THOR engines you have to use a high-octane gasoline (not less
than US 91)
3- ENGINE STARTING
Start the engine only when all is in good conditions and perfectly
working and check that there aren’t people, things or animals around.
Furthermore check that all the nuts are well tightened and check the
fuel system.
3.1- WG8 WALBRO CARBURETOR
First cold starting: fill in the fuel system using the proper pump
(carefully follow the instructions provided by the frame’s
manufacturer to find out it and use it in the correct way). To make
this operation easier push softly with a finger the diaphragm through
the hole indicated by the arrow in photo 1. Fill it in till the petrol
reaches the carburetor. At that moment immediately stop; if you go
on acting on the pump the petrol will leak causing the engine
flooding.
Move the starter level to the off position (photo 1); now hand the
starter and start pulling the rope till it grows hard. Pull with strength
without accelerating till the engine seems to start working (do not
repeat this operation more than 3 times otherwise the engine may
flood). Now move the starter lever to the on position (photo 2) and
act on the starting rope without accelerating. If the engine doesn’t
work with the first two attempts, try again gently accelerating.
3.2- POLINI CP CARBURETOR
The engine equipped with Polini CP carburetor comes with an
integrated pump (photo 3-A). Use the pump to let the fuel reach the
carburetor. If the carburetor is empty, once the fuel has reached it,
pump three times to fill the bowl in.
If the bowl is full of fuel it is not necessary to pump up furtherly. The
fuel in the bowl is enough to start the engine.
To start the engine pull upwards the black level placed in the upper
side of the carburetor.
Initiate the starter without accelerating till the engine starts. Once it
works switch it off, disconnect the starter and start the engine again
slightly accelerating.
For your safety only start the engine in conditions of COMPLETE
security.
ATTENTION:
keep the switch off button in your hand during all
the stages and be ready to work it in case of any anomaly. If
necessary keep it pressed till the engine has completely stopped.
After starting the engine we suggest testing the right functioning of
the kill switch button. After having checked it, start the engine again
without accelerating and without using the starter. Now start the
engine and let it idle until it warms up to normal temperature
4- RUNNING IN
Run your engine in as instructed below to ensure that the engine and
transmission bed in correctly and to ensure continuous reliability in
future. Respect the following instructions: once the engine starts,
leave it idling until it warms up to normal temperature. We suggest
running the engine 15 minutes at medium-low engine power output
gently accelerating and with different intensity. Now we suggest
checking the correct idling calibration.
During the first flights or for the first 20 litres of petrol we suggest