It is of vital importance, before attempting to operate your engine, to read the general 'safety instructions and warnings' section on pages 2-6 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...
2 ~ 6 7 8 9 10 22 19 11 ~ 13 18 20 16 17 21 14 15 contents safety instructions and warnings about your o.S. Engine introduction basic engine parts glowplug mounting the engine before starting starting running-in("breaking-in") pre-flight checking subsequent readjustment engine care and maintenance g...
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...
Warnings model engine fuel is poisonous. 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. Never operate your engine in an en- closed space. Model engines, like auto- mobile engines, exhaust deadly carbon- mon...
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' recommenda- tions, using appropriate screws and lock- nuts. Be sure to use the silencer (muffler) supplied with the engin...
Notes • • always check the tightness of the propeller nut and retighten it, if necessary, before restarting the engine, particularly in the case of four-stroke-cycle engines. If a safety locknut assembly is provided with your engine, always use it. This will prevent the propeller from flying off in ...
Notes • • • • • adjust the throttle linkage so that the engine stops when the throttle stick and trim lever on the transmitter are fully retarded. Alternatively, the engine may be stopped by cutting off the fuel supply. Never try to stop the engine physically. Take care that loose clothing (ties, sh...
Operating principle in place of the piston and cylinder of a conventional reciprocating engine, the wankel motor has a three-lobe rotor which moves in a circular path, while rotating about its own axis, the nsu/wankel system now available in a new and improved pi(peripheral inlet) model, its outstan...
Carburettor complete engine mount glowplug drive hub spinner nut rotor housing front housing basic engine parts carefully insert plug, with washer, fingertight only, before final tightening with the correct size plug wrench. Installing the glowplug glow plug washer 8.
The role of the glowplug 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....
Firmly bolt the engine's radial mounting flange to the model or to a rigid test stand, using self- locking nuts or secondary nuts locked to the first. Make sure that the three cap screws securing the mounting flange to the engine itself, are tight and are fitted with spring washers. The engine is no...
Before starting tools, accessories, etc. The following items are necessary for operating the engine. Fuel for this engine, use top quality methanol-based mod- el engine fuel containing approximately 25% castor-oil and between 5% and 15% nitromethane. Reminder! Model engine fuel is poisonous. Do not ...
Battery leads 12v battery starter 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 commercially available. Fuel tan...
Fuel can filter fit a filter to the outlet tube of your refuelling container to prevent entry of foreign matter into the fuel tank. Fuel can filter silicone tubing this is required for the connection between the fuel tank and engine. Plug wrench used for tightening glowplug. The o.S. Long plug wrenc...
Fill the fuel tank and open the needle-valve 2-3 turns from the closed position. Starting prime the engine fairly liberally with fuel through the carburettor. Turn the propeller through one complete revolution and prime again. Repeat this procedure once more so that all three chambers, formed betwee...
Running-in ("breaking-in") for running-in, fit the engine with a well-bal- anced propeller intended for actual flight. Use a fuel mixture as specified. Running-in proce- dure is the same as for a conventional recipro- cating model engine. After starting the motor, open the throttle fully, but use a ...
Prior to releasing your model for take-off, care- fully check that the engine continues to run steadily in all flight attitudes: this includes hold- ing the model with the nose pointing vertically upwards. In that attitude (assuming the model to be equipped with a stunt type fuel-tank) the engine mu...
Engine care and maintenance at the end of each operating session, drain out any fuel that may remain in the fuel tank. Next, energize the glowplug and try to restart the engine to burn off any fuel that may remain inside the engine. Repeat this procedure until the engine fails to fire. Remove the gl...
■ (72403050) ■ (71531000) (71521000) ■ ■ ■ (23024009) 1/4"-28(l) (73101000) ■ (41651010) o.S. Genuine parts & accessories spinner nut exhaust pipe assembly long propeller nut sets super fi lter non-bubble weight long socket wrench with plug grip 18.
4.97 cc (0.303cu.In.) 2,500 ~ 18,000 r.P.M. 1.27bhp / 17,000 r.P.M. 335g (11.8oz.) ■ ■ ■ ■ ■ ■ three view drawing displacement bore stroke practical r.P.M. Power output weight specifications dimensions(mm) 19.
P [ ] -1 ] m.+3 ✕ 24 c.M2.6 ✕ 8.6 m.+3 ✕ 24 m.+3 ✕ 23(9pcs.) n.+3.5 ✕ 5 c.M3 ✕ 10 c.M2.6 ✕ 8 c.M2.6 ✕ 5 exploded view ✽ type of screw c … cap screw f … flat head screw n … round head screw s … set screw 20 o.
No. 41618020 41815009 41827002 q 41807004 = 41820001 - 41602010 0 9 41604000 8 41614100 7 41614000 6 41601000 5 4 41822000 3 41625000 2 -1 41826005 2 41612000 1 23024008 q -1 9 -1 9 -2 i u y t r e w o p [ ] -1 ] 41634000 41633000 41624000 41616000 45067319 41611000 41621000 41609000 22681953 4160300...
N.+3 ✕ 6 n.+3.5 ✕ 5 7 23081706 6 41818056 5 -3 23011308 5 -2 41618920 5 -1 41618910 5 41618900 4 41618110 3 22081811 2 22081200 1 41618400 5 -4 22281977 22081313 1 -1 carburettor retaining screw carburettor rubber gasket ratchet spring nozzle assembly needle needle valve assembly carburettor body th...
C copyright 2001 by o.S.Engines mfg. Co., ltd. All rights reserved. Printed in japan. 110100 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...
