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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 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 aircraft, radio control equipment, etc., 
are accessible for checking at the same time.

Summary of Contents for MAX-15

Page 1: ...ntained 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 plac...

Page 2: ...BEFORE STARTING PLUMBING AND FUEL TANK POSITION ADVICE ON SELECTION OF FUEL GLOW PLUG PROPELLER STARTING THE ENGINE RUNNING IN Breaking in TROUBLE SHOOTING WHEN THE ENGINE FAILS TO START CARE AND MAIN...

Page 3: ...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 ac...

Page 4: ...head or exhaust header pipe in particular may result in a serious burn Never touch or allow any object to come into contact with the rotating propeller and do not crouch over the engine when it is run...

Page 5: ...earing Such noise is also likely to cause annoyance to others over a wide area Fit a top quality propeller of the diameter and pitch specified for the engine and aircraft Locate the propeller on the s...

Page 6: ...wearing of safety glasses is also strongly recommended Discard any propeller which has become split cracked nicked or otherwise rendered unsafe Never attempt to repair such a propeller destroy it Do n...

Page 7: ...sand The propeller may throw such material in your face and eyes and cause injury For their safety keep all onlookers especially small children well back at least 20 feet or 6 meters when preparing yo...

Page 8: ...lvents Such decolorization does not affect engine perfor mance however Cylinder head Venturi Silicone Tube Crankshaft Propeller nut Propeller washer Drive Hub Crankcase Needle valve Cover Plate Fuel o...

Page 9: ...w Top surfaces are in the same plane Re align the surfaces as necessary INCORRECT Top surfaces are not in the same plane Opposite beam Top surfaces are not in the same plane Engine does not seat firml...

Page 10: ...on by rotating the rear part of the silencer 3 Re tighten the assembly screw followed by the locknut The standard silencer is quite effective but reduces power to some degree INSTALLATION OF SILENCER...

Page 11: ...lve Assembly Bracket 1 2 BEFORE STARTING Tools accessories etc The following items are necessary for operating the engine 1 Fuel Model glowplug engine fuel of good quality preferably containing a smal...

Page 12: ...lyethylene squeeze bottle with a suitable spout is all that is required Alternatively one of the purpose made manual or electric fuel pumps may be used to transfer fuel directly from your fuel contain...

Page 13: ...and for improved flexibility Note that even a small quantity of nitromethane 3 5 will improve flexibility making the needle valve adjustment less critical and improving throttle response Use only mate...

Page 14: ...will require in flight experimentation Aerobatic Sport Never touch or allow any object to come into contact with the rotating propeller and do not crouch over the engine when it is running Running in...

Page 15: ...G THE ENGINE Preparations 1 Installing the glowplug Installthewasherontheglowplugand screw carefully into cylinder head making sure that it is not cross threaded before tightening firmly Glow plug Was...

Page 16: ...Super Filter Re connect delivery tube to engine after tank is filled Disconnect delivery tube from the fuel inlet and connect it to the tubing from the fuel pump Do not let dirt or dust enter fuel ca...

Page 17: ...d model securely when starting Starter Assistant Assistant should hold the model so that it cannot move forward when the engine starts Be careful not to be hit by propeller Glowplug battery Place as f...

Page 18: ...action will cause an excess quantity of fuel to be drawn into the cylinder and result in hydraulic lock that may damage the engine BEWARE of the rotating propeller 10 Engine starts If the engine does...

Page 19: ...needle valve is closed beyond the initial readjustment the r p m of the engine will be increased and a continuous high pitched exhaust note only will be heard Key to the needle valve adjustment Turn 2...

Page 20: ...only Actual needle positions may differ from those shown On starting from cold with the needle valve set at the rich starting position Take note of this position of the needle valve This will produce...

Page 21: ...the first few times known as running in or breaking in This is because the working parts of a new engine take a little time to settle down after being subjected to high temperatures and stresses Howe...

Page 22: ...cedure referring to 6 Priming Sluggish rotation Glowplug battery discharged Glowplug element is burned out Something wrong with battery leads Engine flooded due to excessive priming Insufficient primi...

Page 23: ...Repeat priming procedure referring to 6 Priming Close needle valve half turn 180 and wait for several minutes then re start Priming is not necessary Make sure that tank is filled with fuel Check that...

Page 24: ...ne at the conclusion of a flying session it may cause corrosion The best practice is to disconnect the delivery tube from the venturi while the engine is running Remaining fuel in the tank should also...

Page 25: ...q 3 q 5 q 4 q 2 q 1 N M3X12 25LA S M3 5 B M2 6X8 S 3X3 M M2 6X10 15LA S 9 8 7 6 e EXPLODED VIEW MAX 15 25LA S Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw...

Page 26: ...0 21752000 21757000 21757100 21781970 21714100 21713000 21225000 22681957 22325300 21125409 22325020 22681957 22325310 22625404 22312000 26711305 24981837 26381501 Cylinder Head Cylinder Piston Assemb...

Page 27: ...1 9 7 6 8 0 w q r 1 r 2 r 3 r 4 r 5 r 6 N M3X8 N M3X12 S 3X3 e r t M3 5 Type of screw C Cap Screw M Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw EXPLODED VIEW MAX 40 46L...

Page 28: ...6381501 26711305 26582910 26582920 24013000 71605300 23325020 22681957 23325320 22625404 21381980 23302000 Cylinder Head Cylinder Piston Assembly Piston Pin Connecting Rod Venturi Nozzle For Remote Ne...

Page 29: ...517 cu in 15 2mm 0 598 in 13 7mm 0 539 in 2 500 18 000 r p m 0 41 bhp 17 000 r p m 129 5g 4 56 oz MAX 15 25LA S THREE VIEW DRAWING Displacement Bore Stroke Practical R P M Power output Weight 25LA S S...

Page 30: ...0 467cu in 23 0 mm 0 906in 18 4 mm 0 724in 2 000 16 000 r p m 1 2 bhp 15 000 r p m 263 5g 9 29oz MAX 40 46LA S THREE VIEW DRAWING Dimensions mm Displacement Bore Stroke Practical R P M Power output We...

Page 31: ...24008 for 25LA S SUPER SILENCER SPINNER NUT LONG PROPELLER NUT SET BUBBLESS WEIGHT SUPER FILTER L SILENCER EXTENSION ADAPTORS GLOW PLUG LONG SOCKET WRENCH WITH PLUG GRIP 22325030 for 25LA S 73101000 f...

Page 32: ...hts reserved Printed in Japan U N EQUALLED QUALITY PRECISION PERFORMAN C E ESTABLISHING THE STANDARDS OF EXCELLENC E 110100 TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higashisumiyoshi ku O...

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