Os-engines 46FX-H Ring User Manual

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

Resistance coil(nichrome wire)Adjust applied voltage by changing the position of clip on resistance coil until glowplug element is glowing bright red.

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

Install a plug suitable for the engine.Use fuel containing a moderate percentage of nitromethane. Do not run the engine too lean and do not leave the

CARBURETOR CONTROLSWith a fixed-wing model, power failure is rarely a serious threat to the safety of the aircraft since it can usually glide down to

STARTINGCloseOpenBe sure to use a muffler pressurized fuel feed. Use the same fuel as you intend to employ for actual operation of your model.1.2.3.Op

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

AADJUSTMENTThe following adjustments are approximately correct when using a fuel containing 25% lubricant and 10-30% nitromethane. Bear in mind that f

lf, at this time, the engine is slow to pick up and produces an excess of exhaust smoke, the mixture is too rich. Correct this condition by turning th

exhaust unduly smoky and the model fails to reach expected straight line speed, the mixture is too rich and the Needle Valve setting will need to be r

SUBSEQUENT READJUSTMENTSOnce the engine has been run-in and the carburetor controls properly set up, it should be unnecessary to alter the mixture set

CONTENTSSAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O.S. ENGINEINTRODUCTION, BASIC ENGINE PARTSINSTALLATIONINSTALLATION OF COOLING FAN,BEFORE STARTING

ADJUSTING CHARTOpen the Needle Valve 2 turns from the fully closed position.Make sure that the Mixture Control Valve is at the factory setting.AStart

INSTALLATION OF THROTTLE SERVOAfter fitting the engine in the helicopter, please observe the following recommendations when linking the throttle servo

CARE AND MAINTENANCEThe minute particles of foreign matter, that are present in any fuel may, by accumulating and partially obstructing fuel flow, cau

Type of screw C…Cap Screw M…Oval Fillister-Head ScrewF…Flat Head Screw N…Round Head Screw S…Set Screw✽MAX-46FX-HRING EXPLODED VIEW ytrewq=-09876543

The specifications are subject to alteration for improvement without notice.ENGINE PARTS LIST Screw SetCover PlateGasket SetCrankshaftCrankshaft Ball

Type of screw C…Cap Screw M…Oval Fillister-Head ScrewF…Flat Head Screw N…Round Head Screw S…Set Screw✽MAX-46FX-HRING (G) / HG (L/S)RINGEXPLODED VIE

The specifications are subject to alteration for improvement without notice.ENGINE PARTS LIST Screw SetCover PlateGasket SetCrankshaft(HRING(G))Cranks

No.2278141022781420256832002568310024881824267815064558182022681953278819002498195924981837263815012738194026711305462150002508170021-11S.M3X3N.+M3.5X

7.45 cc (0.455 cu.in.)22.0mm (0.866 in.)19.6mm (0.772 in.)2,000~17,000 r.p.m.1.62 bhp / 16,000 r.p.m.385g(13.6oz.) MADE IN JAPAN355160.5UNF1/4-2

(71608001)(71521000)(L) No.8(71605100)A5 (72403050)(25608100)M3 (55500002)(71530400) (71531000)(25425000)(25425500)(25425600)O.S. GENUINE PARTS &

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

C Copyright 2001 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan.UNEQUALLEDQUALITYPRECISION&PERFORMANCEESTABLISHINGTHESTANDAR

WARNINGS•••••Never touch, or allow any object to come into contact with, the rotating parts.Model engine fuel is poison-ous. Do not allow it to come i

NOTES•••••These engine were designed for model helicopters. Do not attempt to use it for any other purpose.Mount the engine in your model securely, fo

NOTES•••Take care that loose clothing (ties, shirt sleeves, scarves etc.) do not come into contact with the rotor. Do not carry loose objects (such as

Because of initial tightness, a standard electric starter may have difficulty in rotating the engine when cold, before it has been adequately run-in.

INSTALLING THE GLOWPLUGInstall the washer on the glowplug and screw carefully into cylinder-head, making sure that it is not cross-threaded before ti

BEFORE STARTINGTools, accessories, etc.The following items are necessary for operating the engine.1 FuelModel glowplug engine fuel of good quality, p