Os-engines FS-120S III Manual de usuario

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

ABDCMake sure there is adequate ventilation.The function of the various tubes connected to the engine and tank (see sketch) are as follows:For Pipe A

NEVER disassemble the fuel pump or pressure regulator. Their original performance may not be restored after reassembly.DO NOT obstruct the small recta

FUELThe FS-120S3 should be operated on a methanol based fuel containing not less than 18% castor-oil, or a top quality synthetic lubricant (or a mixtu

Since the FS-120S3 is intended to be started with an electric starter, the addition of a spinner assembly for centering the starter sleeve is desirabl

STARTINGThe FS-120S3 is not fitted with manual choke controls, as they are intended for use with an electric starter only. A high-torque electric star

Start and adjust the engine as detailed in the starting instructions.Now open the throttle fully and run the engine for no more than 5 seconds with th

• Feeler gauge 0.04mmValve clearances are correctly set before any O.S. engine leaves the factory and, in normal use, will seldom require abjustment.

Note:Valve clearances of all O.S. four-stroke-cycle engines must be checked and reset ONLY WHEN THE ENGINE IS COLD. Procedure is as follows.Remove the

Re-tighten locknut while holding adjusting screw stationary. (Fig.5.)4.Hold at thescrew head.Fig.5Tighten Locknut.Remove 0.04mm feeler, rotate prop th

Do not leave unused fuel in the engine at the conclusion of a day's flying. Accepted practice is to cut off the fuel supply while the engine is s

SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O.S. ENGINEINTRODUCTION, INSTALLING THE GLOWPLUGRELOCATION OF CARBURETTOR CONTROLSFUEL TANK, INSTALLATIONE

(71904200)(71615009)(72200130)(72200110)(71531000)(72403050)(71521000)72108510721085201414A1414B120240(72109200) (72109300) RADIAL MOTOR MOUNT O.S.G

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No.PARTS LISTWoodruff KeyDrive HubThrust WasherCrankshaft Ball Bearing(F)Cam Follower(2pcs.)Push Rod Cover "O"Ring(2pcs.)Push Rod Cover(1pc.

4 5581 7004 6115 0002 7881 4004 5582 2002 4881 8244 6066 3194 5582 3002 2681 9534 5581 8204 5582 1002 6711 3052 7381 9402 6381 5012 4981 8372 9081 952

Dimensions(mm)SpecificationsTHREE VIEW DRAWING DisplacementBoreStrokePracticalR.P.M.OutputWeight19.96cc/1.218cu.in.30.4mm/1.197in.27.5mm/1.083in.

MEMO24

C Copyright 2000 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan.UNEQUALLEDQUALITYPRECISION&PERFORMANCEESTABLISHINGTHESTANDAR

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

NOTESThis engine was designed for model aircraft. Do not attempt to use it for any other purpose.Mount the engine in your model securely, following th

Take 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 disconne

INTRODUCTIONRocker CoverCylinder HeadPush Rod CoverDrive HubPropeller WasherPropeller NutLock NutExhaust Header PipeCarburettor Type 70N Cover PlateCr

As supplied, the FS-120S3 has its throttle lever on the right hand side and needle-valve control on the left. However, where more convenient for certa

10~15mmBecause the FS-120S3 powerful, large-displacement, single-cylinder four-stroke-cycle engines, it is essential to use very substantial engine mo

NEEDLE-VALVE EXTENSIONThe needle-valve supplied with this engine is designed to accept an extension so that, when the engine is enclosed in a cowling,