O.S. engine MAX-61RX-H RING WC Series Скачать руководство пользователя

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CONTENTS

SAFETY INSTRUCTIONS AND WARNINGS
ABOUT YOUR O.S. ENGINE

INTRODUCTION

BASIC ENGINE PARTS,
INSTALLATION OF THE CARBURETOR

INSTALLATION OF THE ENGINE

BEFORE STARTING

FACTS ABOUT 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

Содержание MAX-61RX-H RING WC 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: ...ABOUT 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 9 10 11 12 13 19 19 21 22 29 13 15 20 34 15 18 30 31 32 33 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: ...invert the engine and eject surplus fuel from the combustion chamber Note The MAX 61SX H RING WC is an up rated version of the MAX 61SX H RING helicopter engine It is aimed at FAI World Championship hence the suffix WC Class F3C competition Performance has been increased and the Type 60B carburetor has been modified for easier adjustment High quality and high performance have been confirmed in exh...

Страница 8: ...s carburetor lightly fitted into its intake boss Secure it as follows INSTALLATION OF THE CARBURETOR Retainer screw Carburetor Rubber Gasket 0 2mm gap Loosen the retainer screw rotate the carburetor to its correct position and press it well down into the intake boss compressing the rubber gasket as shown in the sketch before re tightening screw Rotate the retainer screw gently until it stops then ...

Страница 9: ...NSTALLATION OF THE ENGINE The under surfaces of all O S engine beam mounting lugs are precision machined flat and exactyly parallel to the engine s horizontal axis It is essential that the engine mounts in the model are also accurately made and aligned If they are not they will cause stress and distortion within the engine itself probably resulting in loss of performance and internal damage The re...

Страница 10: ...tness Lower voltage to reduce brightness Warning Very hot Never touch the nichrome wire while the battery is connected 4 Plug wrench Used for tightening glowplug The O S long plug wrench is available as an optional accessory 5 Battery leads These are used to conduct current from the battery to the glowplug Basically two leads with clips are required but for greater conve nience twin leads with spe...

Страница 11: ... an electric starting motor is driven into the main body of a helicopter to turn the engine Silicone tube 10 Electric starter and starter battery An electric starter is recom mended for starting 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...

Страница 12: ...ife Particularly in the case of very high performance engines glowplugs must be regarded as expendable items With a glowplug engine ignition is initiated by the application of a 1 5 volt power source When the battery is disconnected the heat retained within the combustion chamber remains sufficient to keep the plug filament glowing thereby continuing to keep the engine running Ignition timing is a...

Страница 13: ...correct mixture strength as the throttle is opened FUEL Select by practical tests the most suitable fuel from among the 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...

Страница 14: ...o turns open from the fully closed position Note If a different muffler is used this setting may require readjustment Idle Mixture Control Screw exactly two turns open from the fully closed position exactly one turns open from the fully closed position Medium Speed needle valve Idle MIxture Control Screw High Speed Needle Valve Main Needle Medium Speed Needle Valve HEX KEY NEEDLE ADJUSTMENT Theknu...

Страница 15: ...tor is fully closed when the throttle stick and throttle trim on the transmitter are fully pulled Down Stopping the engine Fully pull down the throttle trim on the transmitter Starting Connect the battery to the glowplug and start the engine by applying the starter When started switch off the starter and withdraw the starting shaft after making sure the rotation of the starter shaft stops Preparat...

Страница 16: ...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 temperature However because O S engines are made with the aid of the f...

Страница 17: ...ixture Control Screw A special technique is required here If intending to make an adjustment e g 90 in the same direction before returning it to the new setting If this procedure is not followed movement of the throttle rotor may become stiff resulting in undue loading of the throttle servo Existing Position Richer Leaner Desired Position Warm the engine by allowing it to idle for about 30 seconds...

Страница 18: ... this wiIl be indicated by a marked lack of exhaust smoke and a tendency for the engine to cut out when the throttle is opened ln this case turn the Mixture Control Screw counter clockwise to enrich the mixture 2 When satisfactory hovering flight has been achieved land the modeI again and re check the engine s idlling qualities After about 10 seconds of idling open the throttle to float the model ...

Страница 19: ...lost when the model is puIled up into a climb the mixture is too lean ln this case land the model immediately and readjust thw High Speed Needle Valve to a richer setting 3 4 Having now found the optimum setting for the High Speed Needle Valve re check the engine s idling performance finetuning the Idle Mixture Control Screw if necessary to perfect the idle 5 It is at this point that the Medium Sp...

Страница 20: ...mostly accumulate here SUBSEQUENT READJUSTMENTS Once the engine has been run in and the carburetor controls properly set up it should be unnecessary to alter the mixture settings except to make minor changes to the Main High Speed Needle Valve occasionally to take account of differences in climatic condisitions However as oreviously mentioned the use of a different fuel particularly one containing...

Страница 21: ...se the High Speed Needle Valve Turn clockwise Land the model Idle for approx 10 seconds then reopen throttle to observe transition Float the model Idling OK Lean mixture Rich mixture High Speed Flight Lean mixture Rich mixture High Speed Flight OK Fine tuning of hovering mixture Open the Medium Speed Needle Valve Hovering OK Adjustment completed Turn the Idle Mixture Control Screw counter clockwis...

Страница 22: ...s output arm and the throttle pushrod are as closely as possible directry in line with carburetor s throttle arm as shown Servo output arm Throttle control rod A and B should be equal of length Set the linkage so that the servo output arm and throttle arm become par allel when the throttle stick on the transmitter is at middle position If differential throttle movement is required make necessary a...

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 61SX HRING WC EXPLODED VIEW y t r e w q 0 9 8 7 6 5 4 3 2 1 C M3 5X15 C M3 5X8 1 i u 22 ...

Страница 24: ...etor Retainer Assembly Carburetor Complete 60B Connecting Rod Piston Pin Cylinder Liner Heatsink Head Code No Description Piston Ring Piston Piston Pin Retainer 60B Thermo insulator Drive Hub Woodruff Key Glow Plug No 8 No 1 2 3 4 5 6 7 8 9 0 1 q w e r t y u i 27904200 27953100 26703404 27903200 26606008 27917000 27905000 27981010 27984900 45010002 27708010 27708200 46120000 26731002 27981710 2795...

Страница 25: ...Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw MAX 61SX HG HGLRING WC EXPLODED VIEW y t r e w q 0 9 8 7 6 5 4 3 2 1 C M3 5X15 C M3 5X8 i u 1 A 24 ...

Страница 26: ...ssembly Carburetor Complete 60B Connecting Rod Piston Pin Cylinder Liner Cylinder Head For 61SX HG Code No Description Piston Ring Piston Piston Pin Retainer 60B Thermo insulator Glow Plug No 8 No 1 A 2 3 4 5 6 7 8 9 0 q w e r t y u i 27904300 27904210 27953100 26703404 27903200 26606008 27917000 27905000 27981010 27984900 23210007 23009006 27720000 26731002 27981710 27951000 27930000 27952010 279...

Страница 27: ...Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw MAX 61RX HRING WC EXPLODED VIEW y t r e w q 0 9 8 7 6 5 4 3 2 1 C M3 5X15 C M3 5X8 1 i u 26 ...

Страница 28: ...etor Retainer Assembly Carburetor Complete 60B Connecting Rod Piston Pin Cylinder Liner Heatsink Head Code No Description Piston Ring Piston Piston Pin Retainer 60B Thermo insulator Drive Hub Woodruff Key Glow Plug No 8 No 1 2 3 4 5 6 7 8 9 0 1 q w e r t y u i 27904200 27953100 26703404 27923200 27106007 27917000 27905000 27981010 27984900 45010002 27708010 27708200 46120000 26731002 27981710 2794...

Страница 29: ...Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw MAX 61RX HG HGLRING WC EXPLODED VIEW y r e w q 0 9 8 7 6 5 4 3 2 1 C M3 5X15 C M3 5X8 i u 1 A t 28 ...

Страница 30: ...ssembly Carburetor Complete 60B Connecting Rod Piston Pin Cylinder Liner Heatsink Head For 61SX HG Code No Description Piston Ring Piston Piston Pin Retainer 60B Thermo insulator Glow Plug No 8 No 1 1 A 2 3 4 5 6 7 8 9 0 q w e r t y u i 27904300 27904210 27953100 26703404 27923200 27106007 27917000 27905000 27981010 27984900 23210007 23009006 27720000 26731002 27981710 27941000 27930000 27952010 2...

Страница 31: ... CARBURETOR EXPLODED VIEW q w 0 9 8 8 7 6 5 4 3 2 1 1 1 5 3 5 2 4 3 2 1 5 1 4 3 2 1 C M3X8 C M2 6X5 C M2 6X5 C M2 6X8 N M3X4 e CºCap Screw FºFlat Head Screw NºRound Head Screw SºSet Screw Type of screw 30 ...

Страница 32: ...r 1pc Screw for Needle 4pcs O Ring 2pcs Needle Ratchet Spring Needle Valve Holder Assembly Needle Valve Assembly Mixture Control Screw Fuel Inlet Plug Screw Fixed Throttle Stop Screw Carburettor Body O Ring S O Ring L O Ring Set Mixture Control Valve Assembly Rotor Guide Washer Metering Nozzle Retaining Screw Carburettor Rotor Throttle Lever Retaining Screw Throttle Lever Description Code No Code ...

Страница 33: ... in 2 000 18 000 r p m 2 2 bhp 16 000 r p m 600g 21 2oz SX H 88 7 28 79 42 28 43 5 25 52 4 φ4 2 61 9 42 6 UNF5 16 24 2 φ4 2 61SX HRING WC THREE VIEW DRAWING Displacement Bore Stroke Practical R P M Power output Weight SPECIFICATIONS Dimensions mm 32 ...

Страница 34: ...66 in 2 000 18 000 r p m 2 2 bhp 16 000 r p m 597g 21 1oz RX H 42 30 10 25 52 4 φ4 2 88 7 28 UNF5 16 24 79 42 6 61 2 M3 5 Dimensions mm 61RX HRING WC THREE VIEW DRAWING SPECIFICATIONS Displacement Bore Stroke Practical R P M Power output Weight 33 ...

Страница 35: ...72403050 71705000 55500002 27983000 71530300 O S GENUINE PARTS ACCESSORIES O S GLOW PLUGS IN FLIGHT CONTROL NEEDLE VALVE LONG SOCKET WRENCH WITH PLUG GRIP SUPER FILTER LOCK WASHER 10set M3 MIXTURE CONTROL CARBURETOR 60D CRANKSHAFT CLAMP 34 ...

Страница 36: ...ghts reserved Printed in Japan U N EQUALLED QUALITY PRECISION PERFORMAN C E ESTABLISHING THE STANDARDS OF EXCELLENC E 070100 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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