Os-engines Sirius7 FR7-420 Manual de usuario

It is of vital importance, before attempting to operate your engine, to read the general 'SAFETY INSTRUCTIONS AND WARNINGS&apos

18Model engine fuel is poisonous. Do not allow it to come into contact with the eyes or mouth. Always store it in a clearly marked co

20Starting with an electric starter.5.Make sure that the direction of rotation of the starter is correct.Connect the glowplug battery.Apply

22Obtain an 22x10 or 23x8 propeller for running-in.↓ ↓ 121. Running-in on the groundStart the engineSet the needle-valve 200-300r.p.m. lower than

24Start the engine.open the throttle fully .Adjust the needle-valve.Close the throttle gradually.Set the idle speed.Open the throttle fully.Does the e

26FLIGHT & MAINTENANCEIt is necessary to warm up the engine as with a full-size aircraft or automobile. Do not attempt to take-off imme

28VALVE CLEARANCE ADJUSTMENTALL O.S. four-stroke engines have their valve (tappet) clearances correctly set before they leave the factor

30ENGINE EXPLODED VIEW & PARTS LISTType of screw C...Cap Screw N...Round Head ScrewCAP SCREW SETS(10pcs./sets)79871020798710307987111079871060M2

32 Type of screw N...Round Head Screw S...Set ScrewThe specifications are subject to alteration for improvement without notice.DescriptionCode No.No.

34Dimensions (mm)THREE VIEW DRAWINGSpecificationsDisplacementBoreStrokePracticalR.P.M.OutputWeight158.512236367223072UNF3/8-249.95 cc x 7 / 0.607 cu.i

2Remember that your engine is not a " toy ", but a highly efficient internal-combustion machine whose power is capable of

4Take care that the glow plug clip or battery leads do not come into contact with the propeller. Also check the linkage to the throttle arm. A disconn

6The FR7-420 (Sirius7) is a seven-cylinder radial overhead-valve four-stroke-cycle engine of 70cc displacement. The engine maintains the

8Rocker CoverCylinder HeadExhaust PipeIntake PipeBack PlateCarburetor Type 80T9Needle-valve extensionIt is essential that the firewall is stron

10Exhaust pipeExhaust pipe becomes very hot while running and right after running, make sure it does not touch the model and never allo

12GLOWPLUGThe role of the glowplugGlowplug lifeParticularly in the case of very high performance engines, glowplugs must be regarded as expendab

1422x10-12, 23x8-12,24x8-12, 26x8PROPELLERThe choice of propeller depends on the design and weight of the aircraft and on the type of flying i

16GLOWPLUG HEATINGGlowplug batteryThe engine uses seven plugs (O.S. Type F).It is suggested to use a commercially available glowplug heater in