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O.S. engine MAX-61LX, Инструкция пользователя

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O.S. engine MAX-61LX Скачать руководство пользователя страница 21

INSTALLATION OF THROTTLE SERVO

After the engine in the helicopter, please observe the 
following recommendations when linking the throttle 
servo to the carburetor.

Locate the servo so that its 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 rods A and B should be of equal length. 
Set the linkage so that the servo output arm and throttle 
arm are parallel when the throttle stick on the transmitter 
is at its mid position. If differential throttle movement is re-
quired, make necessary adjustment at the transmitter. 

Throttle arm

20

Содержание MAX-61LX

Страница 1: ...herein 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 MAX 61LX HRING ...

Страница 2: ...STARTING RUNNING IN SETTING UP STARTING AND ADJUSTMENT SUBSEQUENT READJUSTMENTS CARBURETTOR CLEANLINESS ADJUSTING CHART INSTALLATION OF THROTTLE SERVO CARE AND MAINTENANCE ENGINE EXPLODED VIEW PARTS LIST CARBURETTOR EXPLODED VIEW PARTS LIST THREE VIEW DRAWING O S GENUINE PARTS ACCESSORIES CONTENTS 2 5 6 7 8 8 10 10 11 12 13 14 18 18 20 22 23 24 25 15 17 19 26 21 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: ...amage Instead remove the glowplug invert the engine and eject surplus fuel from the combustion chamber Note The ringed piston MAX 61LX H MAX 61LX HG R and MAX 61LX HGL are high performance high quality engines that have been developed specifically for radio controlled 60 class helicopters They are ideal for scale and sport flyers for newcomers to 60 class helicopters and for contest flyers first l...

Страница 8: ...ne 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 recommended screws for securing the engine to the engine mount...

Страница 9: ... that only the under surfaces of the engine s mounting lugs are in contact with the engine mount If the crankcase body touches the mount chamfer the edges of the mount As delivered the engine has its carburetor lightly fitted into its intake boss Secure it as follows INSTALLATION OF THE CARBURETOR Retainer nut Carburetor Rubber Gasket 0 2mm gap Loosen the retainer nut rotate the carburetor to its ...

Страница 10: ...t 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 special glowplug connectors as shown on the right are comme...

Страница 11: ...t be regarded as expendable 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 automatic under reduced load allowing higher rpm the plug becomes hotter and appro...

Страница 12: ...er use For the best throttle response a fuel containing 5 to 30 nitromethane for the 60G carburetor is preferable The 60H carburetor is designed to use less than 10 nitromethane fuel 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...

Страница 13: ...ry 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 BASIC POSITION OF MIXTURE CONTROL VALVE Mixture Control Screw Thick Mixture Control Valve MIxture Control Screw Lean As delivered the Mixtur...

Страница 14: ...allation swings the starting shaft which is dangerous 1 2 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 idlin...

Страница 15: ... 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 8 9 NOTE If the throttle response is poor or the engine stops due to a temporarily over rich mixture im mediately after the engine is started pinc...

Страница 16: ...ing run in set the needle valve for a slightly rich mixture not excessively rich as this may result in poor throttle response and cause the engine to stope About 1 turn open from the nomal setting will usually suffice Close the needle valve then reopen it 1 turns Open the throttle fully and rotate the crankshaft with an electric starter until fuel is seen to reach the carburetor inlet nipple Warm ...

Страница 17: ...s when the engine is restarted in the expectation that the engine will pick up and run steadily Having provisionally set the idle mixture the next step is to adjust the mixture for hovering flight Hover the model 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 mode...

Страница 18: ...trolof both the Needle Valve and the Mixture Control Valve lf both controls are already at their optimum setting some modification to these settings may be necessary to L M N 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 O Readjustments should therefore be c...

Страница 19: ...lve setting The use of a different glowplug or changes to the mainrotor and its pitch angles may also require compensating carburettor 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 stre...

Страница 20: ... approx 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 Nee...

Страница 21: ...le pushrod are as closely as possible directry in line with carburetor s throttle arm as shown Servo output arm Throttle control rods A and B should be of equal length Set the linkage so that the servo output arm and throttle arm are parallel when the throttle stick on the transmitter is at its mid position If differential throttle movement is re quired make necessary adjustment at the transmitter...

Страница 22: ...es 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 Do not forget to clean the filters regularly to remove dirt andlintthataccumulateonthefilterscreens Also clean the carburettor itself occasionally At the end of each operating se...

Страница 23: ...Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw EXPLODED VIEW y t r e w q 0 9 8 7 6 5 4 3 2 1 8 1 1 A C M3 5X15 C M3 5X8 u r A i 22 ...

Страница 24: ...2 9081 719 Carburetor Retainer 8 1 2 9015 019 Carburetor Gasket 8 2 7982 000 7 2 7965 000 Connecting Rod 6 2 7917 000 Piston Pin Retainer 2pcs 5 2 6606 008 Piston Pin 4 2 7903 200 Piston 3 2 6703 404 Piston Ring 2 2 7963 100 Cylinder Liner 1 2 7904 200 Heatsink Head For 61LX H HG R No Description Code No 1 A 2 7904 210 Heatsink Head For 61LX HGL 2 7982 010 Carburetor Complete 60H For 61LX H HGL HG...

Страница 25: ...Assembly 2 7981 900 Needle Valve Assembly 0 2 7881 330 Mixture Control Screw 9 2 2681 953 Fuel Inlet 8 2 7982 110 Plug Screw 7 2 7181 601 Fixed Throttle Stop Screw 6 2 7982 100 Carburetor Body For 60G 2 7881 820 O Ring L 2pcs 2 7881 800 O Ring S 2pcs 2 7881 810 O Ring L 2pcs 2 7982 300 Mixture Control Valve Assembly For 60G 4 3 2 2 7982 200 Carburetor Rotor 1 1 2 2826 131 Throttle Lever Fixing Scr...

Страница 26: ...4 0mm 0 945 in 22 0mm 0 866 in 2 000 18 000 r p m 2 0 bhp 16 000 r p m 541g 19 1oz 61LX H 645g 22 8oz 61LX HGL THREE VIEW DRAWING Displacement Bore Stroke Practical R P M Power output Weight SPECIFICATIONS Dimensions mm 25 ...

Страница 27: ...605100 A5 72403050 71530300 55500003 LONG SOCKET WRENCH WITH PLUG GRIP SUPER FILTER O S GLOW PLUGS CRANKSHAFT CLAMP 3261 LOCK WASHER 10set M4 O S GENUINE PARTS ACCESSORIES 71531000 BUBBLESS WEIGHT DRIVE HUB 27708010 For 61LX H 26 ...

Страница 28: ...ghts reserved Printed in Japan U N EQUALLED QUALITY PRECISION PERFORMAN C E ESTABLISHING THE STANDARDS OF EXCELLENC E 070101 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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