Os-engines 55HZ-R Manual do Utilizador

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

18Retainer screwCarburetor RubberGasket0.2mm gapNote: In case it is hard to insert the carburetor in the crankcase. Do not force it, or damage to the

20CARE OF REGURETORNEVER disassemble the pressure regulator. The original performance may not be restored after reassembly.NEVER insert anything in

22Fuel tankFuel Stopper (commercially available)Fuel Filter (commercially available)Check valveCheck valveFuel Stopper (commercially available)T Nippl

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 VIEW79871055M2.6x18CAP SCREW SETS(10pcs./sets)Code No.Size Pcs. used in an engineRetainer Screw (1pc.) Type of screw C…Cap Screw ＊ C

44CARBURETOR EXPLODED VIEWType of screw C...Cap Screw79871020M2.6x7CAP SCREW SETS(10pcs./sets)Code No.Size Pcs. used in an engineRotor Guide WasherRe

46O.S. GENUINE PARTS & ACCESSORIESThe specifications are subject to alteration for improvement without notice.(72144000)(71531000)(71531010)(72403

48MEMOC Copyright 2010 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan.60092450 011102TEL. (06) 6702-0225FAX. (06) 6704-27226-

! 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 on the engine is treated with an anodized finish which does not conduct current. Theref

12ENGINE PARTS NAMEHeatsink HeadCarburetorTypr 40L-R CrankshaftPropeller nutCrankcaseGlowplugBeam MountReguretorHigh SpeedNeedle ValveFuel InletMixtur

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