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  5. Owner's Instruction Manual

O.S. Engine max-140rx Owner's Instruction Manual

Summary of max-140rx

  • Page 1

    It is of vital importance, before attempting to operate your engine, to read the general 'safety instructions and warnings' section on pages 2-4 of this booklet and to strictly adhere to the advice contained therein. Also, please study the entire contents of this instruction manual, so as to familia...

  • Page 2: Warnings

    2 remember that your engine is not a " toy ", but a highly efficient internal-combustion machine whose power is capable of harming you, or others, if it is misused or abused. As owner, you, alone, are responsible for the safe operation of your engine, so act with discretion and care at all times. If...

  • Page 3

    3 notes this engine was designed for model aircraft. Do not attempt to use it for any other purpose. Mount the engine in your model securely, following the manufacturers' recommendations, using appropriate screws and locknuts. Be sure to use the silencer (muffler) supplied with the engine. Frequent ...

  • Page 4

    6 installation with any single-cylinder engine, it is preferable to bolt the engine firmly to a body that has as much mass as possible, in order to minimize loss of power due to engine movement through vibration. However, the vibration that is transmitted through the fuselage of an aircraft may, dep...

  • Page 5

    7 if the fitting of the "klunk" type fuel pick-up weight in the fuel tank is incorrect, the weight may stick to the tank wall, resulting in an irregular fuel flow to the carburettor, or, alternatively, in the fuel flow being cut off during the course of sharp aerobatic manoeuvres. Therefore, it is a...

  • Page 6

    10 propeller use well balanced propellers only. Unbalanced propellers cause increased vibration and loss of power. Determine the best size and type after the engine has been run in. Suggested propellers are high quality wood or glass 15x14-16 or 16x13-15. Final selection should be made, of course, a...

  • Page 7

    11 tuned silencer the o.S. Type t-6010 tuned silencer has been specially prepared for the max-140rx engine. It allows the engine to develop high performance at lower engine r.P.M. (e.G.Around 8,000r.P.M.) which enables the contest flyer to qualify for noise reduction bonus points. Here is an example...

  • Page 8

    14 4 1 starting install an appropriate propeller and tighten securely. To facilitate electric starting, fit an spinner for centring the rubber drive insert of the starter. Fill the fuel tank. Do not allow fuel to overflow into the silencer, otherwise the engine may become flooded and difficult to st...

  • Page 9

    15 running-in ("breaking-in) for long life and high-performance, this engine needs to be properly "run in", or "broken-in". The following settings apply when using a fuel containing not less than 15% lubricant and not more than 10% nitromethane. Needle-valve setting for starting 2 1 open the needle-...

  • Page 10

    18 engine care and maintenance as noted above, foreign matter in the fuel used may cause malfunctioning of the pump and/ or carburetor. Be sure to use a high quality fuel filter between the refuelling can and fuel tank. The o.S. Super filter (l) is available as an optional extra part. The super filt...

  • Page 11

    19 29015019 27681340 22681953 27881330 29481300 29481100 27881800 27881810 27881820 29481600 29481200 27881400 n.+m3x6 no. 1 2 3 3-1 4 5 6 7 8 9 3-2 3-3 carburetor gasket mixture control valve stop screw fuel inlet mixture control screw rotor stopper carburetor body "Ｏ" ring(s) (2pcs.) "Ｏ" ring(l) (...

  • Page 12

    22 no.8 (71608001) (72403050) (71531000) (71521000) (45910300) (55500004) m5 (71615009) type f (72102100) (72104200) (27984000) genuine o.S. Parts & accessories glow plugs propeller locknut set for truturn spinner super filter non-bubble weight long socket wrench with plug grip lock washer (10sets )...

  • Page 13

    23 23.0cc / 1.404cu.In. 32.0mm / 1.260in. 28.6mm / 1.126in. 1.800-10.000r.P.M. 3.5ps / 3.55hp / 9.000r.P.M. 830g / 29.3oz. ■ ■ ■ ■ ■ ■ three view drawing dimensions(mm) specifications displacement bore stroke practical r.P.M. Power output weight in out pd-06 140 made in japan 25 58 70 4- 5.1 27 78 4...