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O.S. Engine MAX-12CV-R Owner's Instruction Manual

Other manuals for MAX-12CV-R: Owner's Instruction Manual
Manual is about: MAX-12CV-R Engine

Summary of MAX-12CV-R

  • Page 1

    It is of vital importance, before attempting to operate your engine, to read the general 'safety instructions and warnings' section on pages 2-5 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 famil...

  • Page 2

    Contents safety instructions and warnings about your o.S. Engine introduction, basic engine parts installation air cleaner notes concerning the recoil starter glowplug tools, accessories, etc. Carburettor controls pressurized fuel system starting the engine & running-in('breaking-in) final adjustmen...

  • Page 3: Warnings

    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. As owner, you, alone, are responsible for the safe operation of your engine, so act with discretion and care at all times. If at some futu...

  • Page 4: Warnings

    Warnings model engine fuel is poi- sonous. Do not allow it to come into contact with the eyes or mouth. Always store it in a clearly marked container and out of the reach of children. Model engine fuel is also highly flammable. Keep it away from open flame, excessive heat, sources of sparks, or anyt...

  • Page 5: Notes

    This engine is intended for model cars. 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. Fit an effective silencer (muffler). Frequent close exposure to a noisy exhaust (espec...

  • Page 6: Notes

    Notes to stop the engine, fully retard the throttle stick and trim lever on the trans-mitter, or, in an emergency, cut off the fuel supply by pinching the fuel delivery line from the tank. • warning! Immediately after a glowplug- ignition engine has been run and is still warm, conditions sometimes e...

  • Page 7: Basic Engine Parts

    Installing the glowplug carburettor note: with this engine, the piston will feel tught at the top of its stroke when the engine is cold. This is normal. The piston and cylinder are designed to achieve a perfect running clearance when they reach their normal running temperatures. Install washer on gl...

  • Page 8: Engine Installation

    Engine installation make sure that the vehicle's engine mounting surfaces are level and in the same plane. Poor installation may cause distortion of the crankcase, bearings, etc., resulting in erratic running and loss of performance. The recommended screws for securing the engine are 3mm or 4-40 ste...

  • Page 9: Air Cleaner Type 102

    Note: where spacers are supplied joined in pairs (see sketch) separate them as shown. Either face may be placed downwards. Avoid forcing the screws. Secure with locknuts. If the bottom of the recoil starter housing would otherwise touch the car chassis, fit the engine mount spacers (supplied) betwee...

  • Page 10: Air Cleaner Type 102S

    Always remove contaminated elements carefully, to ensure that dirt cannot enter the carburettor. Air cleaner type 102s installation of air cleaner carefully clean the carburettor, removing any old adhesive or sealant that may have been previously used on the outside of the air intake. • press the ai...

  • Page 11: •

    Position the air cleaner correctly, so that it does not foul the cylinder-head or obstruct the needle-valve. Installing the filter element the element is already impregnated with a special filter oil. As this oil is very sticky, take care, when handling it, to prevent dust or dirt from adhering to t...

  • Page 12: •

    Glowplug life particularly in the case of very high performance engines, glowplugs must be regarded as expendable install a plug suitable for the engine. Use fuel containing a moderate percentage of nitromethane unless more is essential for racing events. Do not run the engine too lean and do not le...

  • Page 13: Tools, Accessories, Etc.

    Tools, accessories, etc. The following items are necessary for operating the engine. Fuel use only top quality methanol-based model engine fuel.For consistent performance and long engine life, it is advisable to use fuel containing at least 18% lubricant. This engine is designed to run on both low a...

  • Page 14: Carburettor Controls (10C)

    Battery integrated glowplug heater commercialy available handy glowplug heater in which the glowplug battery and battery leads are integrated. Long socket wrench recommended for easy removal and replacement of the angled and recessed glowplug, the o.S.Long socket wrench incorporates a special grip. ...

  • Page 15: Pressurized Fuel System

    Carburettor controls (10e-r) the needle-valve: the mixture control screw: the throttle stop screw: three adjustable controls are provided on this carburettor. For adjusting the mixture strength when the throttle is fully open. For adjusting the mixture strength at part- throttle and idling speeds, t...

  • Page 16

    Approx 1mm approx 0.3-0.5mm the following procedure is suitable for these engines when the o.S. T-1020 tuned silencer and a fuel containing up to 30% nitromethane are used. Use the same fuel as is to be employed for all initial running and containing not less than 18% lubricant. Temporarily remove t...

  • Page 17: •

    30˚ when the engine starts, first allow it to operate in short runs on its very rich starting settings, with the glowplug battery still connected and with its driving wheels clear of the ground. The rich mixture will, under these conditions, provide adequate lubrication and cooling, indicated by pro...

  • Page 18: •

    If the engine fails to start check the following: glowplug battery discharged or glowplug defunct. Fuel not reaching carburettor. Engine flooded. Do not over-prime. (this could also cause hydraulic lock and damage the engine on application of the electric starter.) remove glowplug, close needle-valv...

  • Page 19: •

    In this case, turn the mixture control valve clockwise 45~90˚. If, on the other hand, the engine tends to speed up momentarily and then cut out abruptly when the throttle is opened,the idling mixture is too lean. Correct this by turning the mixture control valve counter-clockwise 45~90˚. Warning! No...

  • Page 20: Carburettor Cleanliness

    Ball link and slide valve extension it is seldom necessary to separate the slide-valve extension from the slide-valve itself. For cleaning, withdraw this complete sub-assembly from the carburettor body after removing the slide-valve guide screw. Then wash with methanol or glow-fuel. (note: take care...

  • Page 21: Care and Maintenance

    4. Care and maintenance 1. 2. 3. The minute particles of foreign matter, that are present in any fuel may, by accumulating and partially obstructing fuel flow, cause engine performance to become erratic and unreliable. O.S. 'super-filters' (large and small) are available, as optional extras, to deal...

  • Page 22: Racing Engine Parts

    ■ racing engine parts (71608001) (71605300) (71605100) ■ (72103110) (72103120) ■ (72103020) ■ (72103310) ■ (71530100) ■ (71521000) ■ (72403202) ■ (72403120) (72103130) (72103140) o.S. Genuine parts & accessories o.S. Glow plug exhaust header pipes for kyosho super10 for kyosho spider & hpi nitro for...

  • Page 23: 12Cv-R Exploded View

    12cv-r exploded view type of screw c … cap screw m … oval fillister-head screw f … flat head screw n … round head screw s … set screw not included in 12cv-r(s) 1 2 3 4 5 6 7 8 9 0 - = q w e r t c.M2.6x12 c.M2.6x7 ✽ 22.

  • Page 24: 12Cv-R Engine Parts List

    12cv-r engine parts list the specifications are subject to alteration for improvement without notice. 7 2403 120 7 2403 210 2 1257 000 2 1214 000 2 1252 000 2 1230 020 7 2403 200 7 1608 001 2 1213 000 2 1501 030 2 2631 020 2 1408 000 2 0810 007 2 1481 700 2 1481 010 2 1286 000 2 1255 000 2 3817 000 ...

  • Page 25: 12Cv-Rx Exploded View

    12cv-rx exploded view type of screw c … cap screw m … oval fillister-head screw f … flat head screw n … round head screw s … set screw not included in 12cv-rx(s) 0 1 2 3 4 5 6 7 8 9 0 - = q w e y c . M 2 . 6 x 1 2 r t m . + m 2 . 6 x 7 u u - 1 u - 2 m . + m 2 . 6 x 7 ✽ 12.

  • Page 26: 12Cv-Rx Engine Parts List

    12cv-rx engine parts list the specifications are subject to alteration for improvement without notice. 102 cleaner body 101,102 filter elements (6pcs.) super air cleaner 102(w/3 filter elements)[off -road] screw set glow plug no.8 gasket set crankshaft crankshaft ball bearing (rear) crankcase cranks...

  • Page 27: 12Cv-R(P) Exploded View

    Type of screw c … cap screw m … oval fillister-head screw f … flat head screw n … round head screw s … set screw 12cv-r(p) exploded view 1 2 3 4 5 6 7 8 9 0 - = q w c . M 2 . 6 x 1 2 c . M 2 . 6 x 7 ✽ 26.

  • Page 28: 12Cv-R(P) Engine Parts List

    12cv-r(p) engine parts list the specifications are subject to alteration for improvement without notice. 102s cleaner body 101,102 filter elements (6pcs.) super air cleaner 102s(w/3 filter elements) screw set glow plug no.8 gasket set crankshaft crankshaft ball bearing (rear) crankcase crankshaft ba...

  • Page 29

    The specifications are subject to alteration for improvement without notice. Type of screw c … cap screw m … oval fillister-head screw f … flat head screw n … round head screw s … set screw 10c carburetor exploded view & parts list no. Carburettor rubber gasket ball link no.4 dust cover metering nee...

  • Page 30

    The specifications are subject to alteration for improvement without notice. 10e-r carburettor exploded view & parts list 2 1481 950 2 7881 820 2 1481 900 2 2681 310 2 1481 120 2 1283 961 2 4881 824 2 1283 962 2 2481 506 2 1481 200 2 1283 210 2 2681 419 2 1481 420 2 1481 600 - 0 -1 0 9 8 7 6 5 4 3 2...

  • Page 31: 12Cv-R Three View Drawing

    ■ displacement ■ bore ■ stroke ■ practical r.P.M. ■ power output ■ weight specifications 12cv-r three view drawing dimensions(mm) 2.11 cc(0.129cu.In.) 14.0 mm(0.551in.) 13.7 mm(0.539in.) 4,000 ~ 36,000 r.P.M. 1.0 bhp / 31,000 r.P.M. 200g(7.05oz.) 39 25 12.8 83.7 70.9 41 70 15 25 27.5 m5x0.8 11 31.4 ...

  • Page 32: 12Cv-Rx Three View Drawing

    20 90.9 70.9 88.8 m5x0.8 41 33.8 25 11 31.4 40 27.5 12cv-rx three view drawing dimensions(mm) ■ displacement ■ bore ■ stroke ■ practical r.P.M. ■ power output ■ weight specifications 2.11 cc(0.129cu.In.) 14.0 mm(0.551in.) 13.7 mm(0.539in.) 4,000 ~ 36,000 r.P.M. 1.0 bhp / 31,000 r.P.M. 258g(9.10oz.) ...

  • Page 33: 12Cv-R(P) Three View Drawing

    12cv-r(p) three view drawing dimensions(mm) ■ displacement ■ bore ■ stroke ■ practical r.P.M. ■ power output ■ weight specifications 2.11 cc(0.129cu.In.) 14.0 mm(0.551in.) 13.7 mm(0.539in.) 4,000 ~ 36,000 r.P.M. 1.0 bhp / 31,000 r.P.M. 198g(6.99oz.) 34.8 79.3 15 25 27.5 unf1/4-28 11 31.4 39 25 12.8 ...

  • Page 34

    C copyright 2000 by o.S.Engines mfg. Co., ltd. All rights reserved. Printed in japan. 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 u n eq ua ll ed qua lity precision & per for m an ce es ta blis hing t...