Os-engines 70SZ-H Manual de usuario

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

18The general course of adjustment procedure is shown in the ADJUSTING CHART and is correct for a fuel containing 20% lubricant and 15-30% nitromethan

20Now re-check hovering performance It may be found that (with the High-Speed Needle Valve now set for optimum full-throttle performance) hovering wil

22ADJUSTING CHARTHigh Speed Needle Valve - 2 turns opened from fully closed position.Medium Speed Needle Valve - 1 turns opened from fully closed posi

23INSTALLATION OF THROTTLE SERVOAfter the engine is installed in the helicopter, please observe the following recommendations when linking the throttl

25(71608001)(71521000)(L) No.8(71605100)A5(72403050)(71705000)(55500003)(27708010)LONG SOCKET WRENCH WITH PLUG GRIPSUPER FILTERO.S. GLOW PLUGSIN-FLIGH

26ENGINE EXPLODED VIEW Type of screw C...Cap Screw M...Oval Fillister-Head ScrewF...Flat Head Screw N...Round Head Screw S...Set ScrewC.M3x15C.M3x8

28CARBURETOR EXPLODED VIEWType of screw C...Cap Screw M...Oval Fillister-Head ScrewF...Flat Head Screw N...Round Head Screw S...Set ScrewC.M3x811-

30JAPANJAPAN6152 55.3 2642.62477.521.54240.55212.54842UNF5/16-2412.511.50 cc (0.702 cu.in.)25.8 mm (1.016 in.)22.0 mm (0.866 in.)2,000-18,000 r.p.m.2.

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

4NOTESThese engine were designed for model helicopters. Do not attempt to use it for any other purpose.Mount the engine in your model securely, fol-lo

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 piston may b

8BASIC ENGINE PARTSHeatsink HeadCarburetor Typr 60KCrankshaftCrankcaseGlowplugBeam MountCoverPlateINSTALLATION OF THE CARBURETORRetainer screwCarburet

10BEFORE STARTINGTools, accessories, etc.The following items are necessary for operating the engine.1 FuelSelect, by practical tests, the most suitab

12FACTS ABOUT GLOWPLUGSThe role of the glowplugGlowplug lifeParticularly in the case of very high performance engines, glowplugs must be regarded as e

14BASIC POSITION OF MIXTURE CONTROL VALVE(Mixture Control Screw)ThickMixture Control ValveMIxture Control ScrewLeanAs delivered, the Mixture Contr

16In 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