O.S. engine MAX-46FX-Hring Series Скачать руководство пользователя

Страница: 28 / 30

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.)

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MADE IN JAPAN

60.5

UNF1/4-28

19.5

7.5

36.3

18.5

3.2

17.5

3.7

MAX-

46FX-H

RING

THREE VIEW DRAWING

Dimensions(mm)

Displacement
Bore
Stroke
Practical R.P.M.
Power output
Weight

SPECIFICATIONS

Содержание MAX-46FX-Hring Series

Страница 1: ...contained therein Also please study the entire contents of this instruction manual so as to familiarize yourself with the controls and other features of the engine Keep these instructions in a safe place so that you may readily refer to them whenever necessary It is suggested that any instructions supplied with the model radio control equipment etc are accessible for checking at the same time ...

Страница 2: ...GLOW PLUGS FUEL CARBURETOR CONTROLS STARTING RUNNING IN ADJUSTMENT SUBSEQUENT READJUSTMENTS CARBURETTOR CLEANLINESS ADJUSTING CHART INSTALLATION OF THROTTLE SERVO CARE AND MAINTENANCE ENGINE EXPLODED VIEW PARTS LIST CARBURETOR EXPLODED VIEW PARTS LIST THREE VIEW DRAWING O S GENUINE PARTS ACCESSORIES 2 5 6 7 8 10 10 11 12 13 14 18 21 22 25 26 27 14 19 28 15 17 20 1 ...

Страница 3: ...e would respectfully request that these instructions are also passed on to its new owner SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE The advice which follows is grouped under two headings according to the degree of damage or danger which might arise through misuse or neglect WARNINGS NOTES These cover events which might involve serious in extreme circumstances even fatal injury These co...

Страница 4: ... away from open flame excessive heat sources of sparks oranythingelsewhich might ignite it Do not smoke orallowanyoneelsetosmoke near to it Model engines generate considerable heat Do not touch any part of your engine until it has cooled Contact with the muffler silencer cylinder head or exhaust header pipe in particular may result in a serious burn Never operate your engine in an en closed space ...

Страница 5: ...diately after the engine is started as the clutch will engage and you may be struck by the rotor After starting the engine carry out any needle valve readjustments after stopping the rotor by closing the throttle to the lowest r p m Stop the engine before attempting to make other adjustments to the carburetor Use an electric starter The wearing of safety glasses is also strongly recommended Press ...

Страница 6: ...t least 20 feet or 6 metres when preparing your model for flight If you have to carry the model to the take off point with the engine running be especially cautious Hold the rotor securely and keep well clear of spectators Warning lmmediately after a glowplug ignition engine has been run and is still warm conditions sometimes exist whereby it is just possible for the engine to restart when turned ...

Страница 7: ...ten the result of over priming Attempting to force the engine to turn over in this condition may cause internal damage Instead remove the glowplug invert the engine and eject surplus fuel from the combustion chamber Note The MAX 46FX H RING is a high performance engine that has been developed expressly for medium sized radio controlled helicopters INTRODUCTION BASIC ENGINE PARTS Heatsink Head Carb...

Страница 8: ...ortion within the engine itself probably resulting in loss of performance and internal damage The recommended screws for securing the engine to the engine mounts in the model are 3mm or 4 40 steel Allen type It is also advisable to use lock washers or LOCTITE to prevent nuts from loosening Front view CORRECT Side view Top surfaces are in the same plane Re align the surfaces as necessary INCORRECT ...

Страница 9: ...o 3 8 in dia front journal with its slot uppermost i e along the full diameter of the journal NOT passing over the gap formed either side of the flats It is not necessary to replace the thrust washer Open slot in taper collet Flats each side of crankshaft front journal for drive hub Front Journal Split Taper Collet 3 Glowplug battery The power source for heating the glowplug may be either a large ...

Страница 10: ...quired but for greater conve nience twin leads with special glowplug connectors as shown on theright arecommerciallyavailable 6 Fuel bottle or pump For filling the fuel tank a simple polyethylene squeeze bottle with a suitable spout is all that is required Alternatively one of the purpose made manual or electric fuel pumps may be used to transfer fuel directly from your fuel container to the fuel ...

Страница 11: ... becomes hotter and appropriately fires the fuel air charge earlier conversely at reduced rpm the plug become cooler and ignition is retarded Since the compatibility of glowplug and fuel may have a marked effect on performance and reliability it may be worthwhile to choose the R C type plug found most suitable after tests Recommended O S plugs are No 8 A5 and A3 Carefully install plug finger tight...

Страница 12: ...he best quality fuels available in your country for helicopter use For the best throttle response a fuel containing 10 to 30 nitromethane is preferable Lubricants may be either castor oil or a suitable synthetic oil or a blend of both provided that they are always of top quality For consistent performance and long engine life it is essential to use fuel containing AT LEAST 18 lubricant by volume S...

Страница 13: ...tion to medium speeds The Mixture Control Valve has been factory set for the approximate best result First run the engine as received and re adjust the Mixture Control Valve only when necessary Two adjustable controls are provided on this carburetor Needle Valve Throttle Lever Mixture Control Valve MIxture Control Screw RE ESTABLISHMENT OF MIXTURE CONTROL VALVE SETTING In the course of making carb...

Страница 14: ...stallation swings the starting shaft which is dangerous 4 5 6 Checking the rotating direction of the starter Make sure that the starter rotates to the direction shown in the sketch If the direction is reverse reverse the leads on battery Inserting the starter shaft Insert the starting shaft into the shaft cup securely Priming Without heating the glowplug open the throttle a little from the idling ...

Страница 15: ...el line for one or two seconds until the engine r p m increase and the engine runs steadily Reminder Never touch or allow any object to come into contact with the rotating ro tor All internal combustion engines benefit to some degree from extra care when they are run for the first few times known as running in or breaking in This is allows the working parts to mate together under load at operating...

Страница 16: ...ttle completely with the trim lever Set up the throttle linkage as follows With the transmitter throttle trim lever fully retarded adjust the throttle servo linkage so that the throttle rotor is a fully open when the transmitter throttle stick is fully advanced and b fully closed i e engine stopped when the stick is fully retarded The idling speed is then set by advancing the throttle trim lever t...

Страница 17: ...el and actuate the throttle to observe response over the medium speed range lf the engine smokes excessiveIy and throttle response is poor the mixture is too rich in which case land the model and turn the Needle Valve clockwise Do not close the NeedIe Valve too much keeping it a little on the rich side at this stage lf on the other hand hovering is not stable and response to the throttIe is over s...

Страница 18: ...are already at their optimum setting some modification to these settings may be necessary to achieve satisfactory mid range throttle response but such readjustments should onIy be made within the range where idling reliability and high speed performance are not unduly compromised M N O Readjustments should therefore be carried out as follows lf the mid range throttle response is not rapid and posi...

Страница 19: ...ve setting The use of a different glowplug or changes to the mainrotor and its pitch angles may also require compensating carburetor readjustments CARBURETOR CLEANLINESS The correct functioning of the carburetor depends on its small fuel orifices remaining clear The minute particles of foreign matter that are present in any fuel can easily partially obstruct these orifices and upset mixture streng...

Страница 20: ...prox 10 seconds then reopen throttle to observe transition Float the model Turn the Mixture Control Screw counter clockwise Idling OK Turn the Mixture Control Screw clockwise Lean mixture Rich mixture High Speed Flight Open the Needle Valve Turn counter clockwise Lean mixture Rich mixture L M Close the Needle Valve Turn clockwise High Speed Flight OK Fine tuning of hovering mixture Turn the Needle...

Страница 21: ...ever movement should not be more than 45 When the throttle is fully open or fully closed the throttle lever angle should not be more than 45 either side of the mid point of its travel and where it is at a 90 angle to hte pushrod otherwise throttle rotor movement may become inhibited or may even lock up Also some lubricants may affect the throttle rotor movement Please note that the throttle lever ...

Страница 22: ... starter for 4 to 5 seconds to distribute the oil to all the working parts These procedures will reduce the risk of starting difficulties and of internal corrosion after a period of storage Do not inject after run oil into the carburetor as this may cause the O rings inside the carburettor to deteriorate Note 2 3 4 Do not forget to clean the filters regularly to remove dirt and lint that accumulat...

Страница 23: ...Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw MAX 46FX HRING EXPLODED VIEW y t r e w q 0 9 8 7 6 5 4 3 2 1 C M3X12 C M3X8 N M3 5X6 22 ...

Страница 24: ...ust Washer Propeller Nut Carburetor Complete 40C Connecting Rod Piston Pin Cylinder Liner Heatsink Head No Code No Description Piston Ring Piston Piston Pin Retainer Drive Washer Glow Plug No 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25604200 25603100 25303400 25603200 24806301 24817100 25305002 25683000 23210007 25608000 46120000 26731002 25601100 26730010 25602001 25614010 25607010 25613010...

Страница 25: ...of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw MAX 46FX HRING G HG L S RING EXPLODED VIEW y t r e w q 0 A 9 8 7 6 5 4 3 2 1 C M3X12 C M3X8 N M3 5X6 e A 0 24 ...

Страница 26: ...etor Complete 40C Connecting Rod Piston Pin Cylinder Liner Heatsink Head No Code No Description Piston Ring Piston Piston Pin Retainer Drive Hub HRING G Glow Plug No 8 1 2 3 4 5 6 7 8 9 0 0 A q w e e A r t y 25604210 25603100 25303400 25603200 24806301 24817100 25305002 25683000 23210007 25608000 23009006 46120000 26731002 25601100 26730010 25602001 25602010 25614010 25607010 25613010 71608001 Pro...

Страница 27: ... Head Screw F Flat Head Screw N Round Head Screw S Set Screw The specifications are subject to alteration for improvement without notice Carburetor Rubber Gasket Ratchet Spring Needle Needle Valve Assembly Fuel Inlet Rotor Guide Screw O Ring 2pcs Carburetor Body Carburetor Rotor Throttle Lever Retaining Screw Throttle Lever Assembly Description Code No O Ring Needle Valve Holder Assembly Rotor Spr...

Страница 28: ...000 r p m 1 62 bhp 16 000 r p m 385g 13 6oz MADE IN JAPAN 35 51 60 5 UNF1 4 28 19 5 70 88 7 5 36 3 18 5 18 5 27 37 2 φ3 2 44 17 5 4 φ3 7 MAX 46FX HRING THREE VIEW DRAWING Dimensions mm Displacement Bore Stroke Practical R P M Power output Weight SPECIFICATIONS 27 ...

Страница 29: ...71530400 71531000 25425000 25425500 25425600 O S GENUINE PARTS ACCESSORIES O S GLOW PLUGS SUPER FILTER LOCK WASHER 10set LONG SOCKET WRENCH WITH PLUG GRIP TAPER COLLET 873 SILENCER SILENCER 90 ADAPTOR SILENCER EXTENSION ADAPTOR NON BUBBLE WEIGHT CRANKSHAFT CLAMP 3246 28 ...

Страница 30: ...ghts reserved Printed in Japan U N EQUALLED QUALITY PRECISION PERFORMAN C E ESTABLISHING THE STANDARDS OF EXCELLENC E 080101 TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higashisumiyoshi ku Osaka 546 0003 Japan URL http www os engines co jp ...

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