Os-engines 91HZ-R 3D Bedienungsanleitung

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

18INSTALLATION OF THE CARBURETOR1.2.Retainer screwCarburetor RubberGasket0.2mm gapCarburetor RubberGasketInsert the carburetor rubber gasket on the

20ABOUT THE PLUMBINGCarry out plumbing referring to a sketch on page 21.Connect silicone tubing cut into approx. 10cm to the nipple on the cover plate

22GLOWPLUGThe role of the glowplugGlowplug lifeParticularly in the case of very high performance engines, glowplugs must be regarded as expenda

24BASIC POSITION OF MIXTURE CONTROL SCREW(Mixture Control Valve)RichMixture Control ValveMIxture Control ScrewLean89 degreesWhen the triangle mark

26Open1.2.Opening and closing of the Needle-ValveTurn the needle clockwise to close the needle-valve, and turn the needle counter-clockwis

28In case the engine does not stop.Hold the rotor head, and pinch the fuel line to stop the fuel supply. If it still does not stop, pull off the fuel

30ADJUSTMENTPlease observe the following before beginning to make any adjustment. The general course of adjustment procedure is shown in the

32Having provisionally set the idle mixture, the next step is to adjust the mixture for hovering flight.Hover the model and actuate the throttle to ob

34CARBURETOR CLEANLINESSRemove this with an 8mm wrenchDirt and fibrous mattermostly accumulate hereSUBSEQUENT READJUSTMENTSOnce the engine has been

36CARE AND MAINTENANCEPlease pay attention to the matters described below to ensure that your engine serves you well in regard to performan

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

38TROUBLE SHOOTINGSymptomCauseCorrective actionEngine fails to fire.Fuel tank is empty.Fuel not reaching the engine.Fill the tank with fuel and repeat

40SymptomCauseCorrective actionSymptomCauseCorrective actionUnstable idleUnsuitable glowplugUse suggested glowplug in the instructions.Unsuitable fuel

42ENGINE EXPLODED VIEW798710557987114079871150M2.6x18M3x12M3x15CAP SCREW SETS(10pcs./sets)Code No.Size Pcs. used in an engineCylinder Head Retaining S

44CARBURETOR EXPLODED VIEWType of screw C...Cap ScrewC.M3x811-14-14-24-3456711-111-211-311-41011910-189-19-29-39-4C.M2x523C.M2.6x7123-16-145The speci

46(71531000)(71531010)(72403050) (55500003)(71530510)(71521000)(L) 91M4LONG SOCKET WRENCH WITH PLUG GRIPSUPER FILTERLOCK WASHER(10set)O.S. GENUINE PAR

48MEMOC Copyright 2011 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan.60092520 031100 TEL. (06) 6702-0225FAX. (06) 6704-2722

! 4NOTES•••••This engine was designed for model helicopters. Do not attempt to use it for any other purpose.Mount the engine in your model

6Notes on installing cooling fan and clutchDo not use a tool which locks piston when installing a cooling-fan and clutch, or top of the pis

8NOTES WHEN APPLYING AN ELECTRIC STARTERBecause of the initial tightness, of the piston/sleeve assembly a standard electric starter may have d

10Note on heating the glow plug ExampleThe heatsink head and the crankcase of on the engine is treated with an anodized finish which does n

12ENGINE PARTS NAMEHeatsink HeadCarburetorTypr 61G CrankshaftPropeller nutCrankcaseGlowplugBeam MountReguretorHigh SpeedNeedle ValveFuel InletMixture

14Select, by practical tests, the most suitable fuel from among the best quality fuels available in your country for helicopter use. For the best thro

16INSTALLATION OF THE ENGINEThe under-surfaces of all O.S. engine beam mounting lugs are precision machined flat and exactyly parallel t