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TROUBLE SHOOTING 

THE ENGINE DOES NOT START

Please check:

switch on-off

cable of the spark plug

correct spark plug gap

all the connections of the electric plant

that fuel arrives correctly from the tank to the carburettor

FLOODED ENGINE

Dismantle the spark plug

dry it well

before re-assembling it, let the propeller turn slowly 2/3 times.

THE ENGINE DOES NOT HOLD IDLE SPEED OR HAS AN IRREGULAR SPEED

Clean and adjust the carburettor.

Check the reed valve petals are closing completely.

Hold the reed up to a light and you should not see any light past the petal seating area.

THE ENGINE CANNOT REACH MAXIMUM SPEED

Check cable pulling throttle fully open.

Check that there is no dirt in the carburettor or tank-filter nor restrictions in the fuel pipe, due
to too tight curves, or air bubbles.

Check the spark plug; is it’s worn, change it with one of the same brand and same heat range.

In case the head is dismantled to be decarboned, change both the head gasket and the
cylinder gasket.

Содержание BLACK BEE

Страница 1: ...U S E R S M A N U A L E N G I N E B L A C K B E E W I T H C L U T C H Last update June 2020 ...

Страница 2: ...ODUCTION 3 TECHNICAL AND STRUCTURAL FEATURES 4 MAIN TORQUES 5 ASSEMBLY ADJUSTMENT CARBURETOR 6 RUNNING IN 7 MAINTENANCE CENTRIFUGAL CLUTCH 8 TENSION OF REDUCTION BELT IGNITION STORAGE 9 WARRANTY 10 TROUBLE SHOOTING IMPORTANT ADVICE 11 NOTES 15 ...

Страница 3: ...e your investment Furthermore we invite you to deliver this manual together with the engine if you sell it so it can be useful for the next owner as well The manufacturer and the resellers are ready to answer your questions and if necessary to solve every problem because YOUR AND THE OTHER PEOPLE S SAFETY IS THE MOST IMPORTANT THING FOR US IDENTIFICATION OF THE OWNER Owner Address Serial number Re...

Страница 4: ...D AND ANODIZED AGAINST SEA SALT CONNECTING ROD IN COPPER PLATED STEEL 18 NI CR MO5 JOINED TO THE DRIVE SHAFT THROUGH VERY PRECISE HIGH SPEED SILVER PLATED ROLLER BEARINGS CARBURATOR MEMBRANE WALBRO WG8 FEEDING SIX BLADE REED VALVE SYSTEM CONNECTED TO THE CRANKCASE SPARK PLUG NGK BR9ES OR SIMILAR SYSTEM SIX PORT DISTRIBUTION CYLINDER IN ALLOY WITH NIKASIL COATING REDUCTION WITH POLY V BELT 12 GROOV...

Страница 5: ... 18 NI CR MO5 WITH 5 THERMIC TREATMENTS ON EVERY COMPONENT ROLLER BEARINGS FIT FOR HIGH SPEED CLASS C3 SEAL RING IN VITON WITH VERY HIGH RESISTANCE AND LONG DURATION OIL 2 2 TOP QUALITY OIL 100 100 SYNTHETIC ENGINE WEIGHT HAND START WITH CLUTCH KG 13 COMPLETE WITH AIRBOX EXHAUST AND FOUR RUBBER MOUNTS ...

Страница 6: ...AIN TORQUES Kg m Nm NUTS TO FIX THE HEAD 2 5 25 NUTS TO FIX HALF CRANKCASE 1 6 16 NUTS TO FIX THE CLUTCH 3 5 35 NUTS TO FIX BACK PART OF DRIVE SHAFT TO IGNITION HANDWHEEL 2 5 25 GAP BETWEEN COIL AND HANDWHEEL 0 5 mm ...

Страница 7: ...engine without the propeller DO NOT start the engine with loose bolts or parts since this can cause the detaching of the propeller alteration of the propeller hub damage to the rubber mounts IMPORTANT BEFORE FLYING CHECK ALWAYS EVERY PART OF YOUR CRAFT FROM ENGINE TO FRAME Verify that there are no damaged electric wires that there are no leaks from hoses tank carburettor or engine s crankcase that...

Страница 8: ...justment screw for the high rpm This is the standard carb set up we suggest as engine manufacturer of course any carburator should be adjusted in base of weather conditions and flight altitudes WARNING THE FOLLOWING OPERATION HAS TO BE DONE WHEN THE ENGINE IS HOT For regulating the fuel flows play gently with lever 1 opening it in case you need to make the engine running richer and viceversa closi...

Страница 9: ... engine running in 1 Turn on the engine and let it run at the ground for 10 minutes varying the rpm range from 3000 to 5500 rpm after that switch off the engine and let it cool down for 10 minutes 2 Turn on the engine and let it run at the ground for 15 minutes varying the rpm range from 3000 to 6000 rpm after that switch off the engine at let it cool down for 15 minutes 3 Turn on the engine and l...

Страница 10: ...Check the tension and condition of the reduction belt Check fuel lines and wiring Check that the cord of the starter has no abrasions Every 50 hours Same controls of the 20 hours and furthermore Check the torque of the engine s crankcase nuts Change spark plugs Change the petals of the reed valve Check the reduction belt and the play of pulley bearings change them in case of need Check the conditi...

Страница 11: ...r that if the belt slips a little but the engine still starts fine then the tension is correct Belt tension always increases automatically when the engine is running because of thermal expansion in the pulleys Once you have found the correct tension do not adjust it any more In case of doubts please contact your paramotor dealer or CORS AIR To adjust the belt do the following Loosen the cam of pul...

Страница 12: ...petrol for a wrong tuning of the carburettor or running with petrol only oil mixture omitted The presence of dirt sand or foreign bodies in the carburettor of the engine Corrosion through bad storage of the engine or inadequate preparation for storage of the engine Running the engine without an air filter fitted to the carburettor Miss assembly of engine parts or components not assembled by Cors A...

Страница 13: ...GULAR SPEED Clean and adjust the carburettor Check the reed valve petals are closing completely Hold the reed up to a light and you should not see any light past the petal seating area THE ENGINE CANNOT REACH MAXIMUM SPEED Check cable pulling throttle fully open Check that there is no dirt in the carburettor or tank filter nor restrictions in the fuel pipe due to too tight curves or air bubbles Ch...

Страница 14: ... vibrations which are not felt by the pilot but can damage seriously parts of the engine with consequent breakages Please do NOT forget that the propeller has mass and a considerable inertial moment so it s advisable not to vary suddenly the RPM of the engine both in flight and on the ground These sharp and violent stresses could cause damages to the reduction to the engine to the belt and also po...

Страница 15: ...on the 4 6 pins and tighten them completely 2 Always use the aluminum disk 3 Insert the propeller 4 Insert the aluminum cylinder 5 Insert the propeller disk 6 Insert the central bolt and tighten it at about 1 5 Kg 15Nm checking that the clip can be inserted 7 Insert the safety clip Aluminum cylinder ...

Страница 16: ... Then turn the allen key from 10 to 15 minutes max for tensioning central bolt Max 15 minutes Remove central bolt of quick release when propeller is not installed Should you try to start the engine or turn the pulley by hand with the central bolt in position without the propeller you may risk to damage the pulley set ...

Страница 17: ...riming the engine once fuel gets inside the WG8 Remember that less fuel gets in and less you risk to overflood your engine which will make you even difficult to start the engine 1 Quickly pull the rope without reaching end run In winter time or in cold weather you may help the engine start by closing the choke lever 3 Pull the rope 2 3 times until you hear the blow in engine combustion chamber the...

Страница 18: ...____________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _____________________...

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