Table of Contents
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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 2-5 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 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 vehicle, radio control equipment, etc.,
are accessible for checking at the same time.
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Related Manuals for O.S. engine MAX-15CV Series
Summary of Contents for O.S. engine MAX-15CV Series
- 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 familiarize yourself with the controls and other features of the engine.
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Page 2: Table Of Contents
CONTENTS SAFETY INSTRUCTIONS AND IF THE ENGINE FAILS TO START WARNINGS ABOUT YOUR O.S. ENGINE FINAL ADJUSTMENT INTRODUCTION, BASIC ENGINE PARTS CARBURETTOR CLEANLINESS INSTALLATION CARE AND MAINTENANCE AIR CLEANER TYPE102 EXPLODED VIEW & NOTES CONCERNING ENGINE PARTS LIST THE RECOIL STARTER CARBURETOR EXPLODED VIEW GLOWPLUG &... -
Page 3: Safety Instructions And Warnings About Your O.s. Engine
SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O.S. ENGINE 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. - Page 4 WARNINGS • • Model engine fuel is poi- Never operate your engine in an en- closed space. Model engines, like sonous. Do not allow it to automobile engines, exhaust deadly come into contact with the eyes or mouth. Always carbon-monoxide. Run your engine store it in a clearly marked only in an open area.
- Page 5 NOTES • This engine is intended for model cars. • The wearing of safety glasses is also Do not attempt to use it for any other strongly recommended. purpose. • Take care that the glowplug clip or • Mount the engine in your model battery leads do not come into contact securely, following the manufacturers' recommendations, using appropriate...
- Page 6 NOTES • To stop the engine, fully retard the • Pull the operating handle straight out throttle stick and trim lever on the when starting the engine, so that the trans-mitter, or, in an emergency, cut cord does not rub against the vehicle off the fuel supply by pinching the fuel body or engine.
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Page 7: Introduction, Basic Engine Parts
The MAX-15CV and MAX-15CV-X are BASIC ENGINE PARTS high-performance engines for 1/10 class R/C racing cars. The MAX-15CV-X Heatsink Head is equipped with a built-in recoil starter system which eliminates the need for a Carburetor separate electric and starter battery. Starter Handle NOTE: With this engine, the piston will feel tight at... -
Page 8: Installation 7
Avoid forcing the screws. Secure with locknuts. ENGINE INSTALLATION If the bottom of the recoil starter housing would Make sure that the vehicle's engine mounting otherwise touch the car chassis, fit the engine surfaces are level and in the same plane. Poor mount spacers (supplied) between the engine's installation may cause distortion of the mounting lugs and the engine mount. -
Page 9: Air Cleaner Type102
AIR CLEANER TYPE 102 INSTALLATION OF THE CARBURETOR This is a heavy-duty wet type air cleaner that has As delivered, the engine has its carburetor been developed specifically for the O.S. MAX-CV lightly fitted into its intake boss. Secure it as series model car engines. -
Page 10: Notes Concerning The Recoil Starter
• Position the air cleaner correctly, so that it does not Always remove contaminated elements carefully, to foul the cylinder-head or obstruct the needle-valve. ensure that dirt cannot enter the carburetor. AIR CLEANER ELEMENTS NOTES CONCERNING THE RECOIL STARTER • Replacement elements Upper Filter Lower Filter... -
Page 11: Glowplug 10
The role of the glowplug The starter prevents the engine from being With a glowplug engine, ignition is initiated by the rotated in the wrong direction.The unit will application of a 1.5-volt power source. When the be damaged if you attempt to force the fly- battery is disconnected, the heat retained within the wheel in the opposite direction (i.e. -
Page 12: Tools, Accessories, Etc
When to replace the glowplug As a starting point, we recommend a fuel containing 10- Apart from when actually burned out, a plug may 20% nitromethane, changing to a fuel containing more need to be replaced because it no longer delivers its nitro only if necessary. -
Page 13: Carburettor Controls 12
ELECTRIC STARTER AND STARTER BATTERY CARBURETOR CONTROLS ( 10C ) Use an electric starter with 12-volt Three adjustable controls are provided on this battery for starting the MAX-15CV. carburetor. The Needle-Valve: • For adjusting the mixture strength when the throttle LONG SOCKET WRENCH is fully open. -
Page 14: Pressurized Fuel System
CARBURETOR CONTROLS ( 10E-R ) PRESSURIZED FUEL SYSTEM • Three adjustable controls are provided on this The somewhat violent changes of vehicle attitude carburetor. that occur in off-road running, combined with the fact that, in buggy type cars, the fuel tank is often The Needle-Valve: •... -
Page 15: Starting The Engine & Running-In('Breaking-In) 14
STARTING THE ENGINE & RUNNING-IN ('Breaking-in') The following procedure is suitable for these engines In case of the 10E-R caburettor approx 1mm • when the O.S. T-1020 tuned silencer and a fuel Set the throttle-stop screw so containing up to 30% nitromethane are used. that the minimum throttle •... - Page 16 Remember! Repeat this procedure until 5 more tanks of fuel have It is vitally important to set the been consumed, during which time the throttle may throttle at the correct position be opened for brief bursts of increased power. If the before attempting to start the engine stops at medium speeds, close the Mixture engine.If...
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Page 17: If The Engine Fails To Start
FINAL ADJUSTMENT IF THE ENGINE FAILS TO START • Check the following: Run the vehicle (with throttle fully open) over the longest available straight course, in order to observe • Glowplug battery discharged or glowplug defunct. the model's speed. Next return the car to the starting •... -
Page 18: Carburettor Cleanliness 17
• • In this case, turn the Mixture Control Valve With the optimum mixture control position, light clockwise 45~90˚. If, on the other hand, the engine smoke is visible during high speed running,and the tends to speed up momentarily and then cut out engine revolutions increase smoothly during abruptly when the throttle is opened,the idling acceleration. - Page 19 BALL LINK AND SLIDE VALVE EXTENSION In case of the 10C caburetor (In case of the 10C caburetor) First rotate the Mixture Control It is seldom necessary to separate the slide-valve Valve until its slotted head is extension from the slide-valve itself. For cleaning, flush with the carburetor body.
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Page 20: Care And Maintenance
Then, inject some after-run oil into the engine, and CARE AND MAINTENANCE rotate the engine with an electric starter for 4 to 5 The minute particles of foreign matter, that are seconds to distribute the oil to all the working present in any fuel may, by accumulating and parts. -
Page 21: Exploded View
MAX-15CV EXPLODED VIEW C . M 2 . 6 x 1 2 C . M 2 . 6 x 7 Type of screw C … Cap Screw M … Oval Fillister-Head Screw F … Flat Head Screw N … Round Head Screw S … Set Screw... -
Page 22: Engine Parts List
MAX-15CV ENGINE PARTS LIST Code No. Description Heatsink Head ( BLUE ) 2 1504 000 15CV Machine Head ( GOLD ) 2 1504 200 Cylinder & Piston Assembly 2 1503 000 2 1706 000 Piston Pin Connecting Rod 2 1205 040 Carburetor Complete ( Type 10C ) 2 1286 000 Carburetor Complete ( Type 10E-R ) -
Page 23: Exploded View
MAX-15CV-X EXPLODED VIEW C . M 2 . 6 x 1 2 M . M 2 . 6 x 7 M . M 2 . 6 x 7 Type of screw C … Cap Screw M … Oval Fillister-Head Screw F …... -
Page 24: Engine Parts List
MAX-15CV-X ENGINE PARTS LIST Code No. Description Heatsink Head ( BLUE ) 2 1504 000 15CV Machine Head ( GOLD ) 2 1504 200 Cylinder & Piston Assembly 2 1503 000 Piston Pin 2 1706 000 Connecting Rod 2 1205 040 Carburetor Complete ( Type 10C ) 2 1286 000 Carburetor Complete ( Type 10E-R ) -
Page 25: Carburetor Exploded View & Parts List 24
10C CARBURETOR EXPLODED VIEW & PARTS LIST Description Code No. 3 -1 2 1285 600 Mixture Control Valve Assembly "O" Ring(L) (2pcs.) 4 6066 319 2 2781 800 "O" Ring(S) (2pcs.) 2 1285 640 Throttle Stop Screw 2 1285 901 Needle Valve Assembly 2 7881 820 "O"... - Page 26 10E-R CARBURETOR EXPLODED VIEW & PARTS LIST Code No. Description 2 1481 600 Mixture Control Screw -1 2 7881 820 "O" Ring (2pcs.) Throttle Lever Fixing Nut 2 1481 420 2 2681 419 Throttle Lever 2 1283 210 Dust Cover 2 1481 200 Carburetor Rotor 2 2481 506...
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Page 27: O.s. Genuine Parts & Accessories
O.S. GENUINE PARTS & ACCESSORIES RACING ENGINE PARTS Exhaust Header Pipes 15CV O.S. Glow Plug 10C Automatic No.8 Machine Head Carburettor For Kyosho Super10 For Tamiya TGX (71608001) (72103120) (72103110) (21286000) (21504100) BLACK For Tamiya TG10 GOLD (21504200) (71605300) For Kyosho V-ONE R,S (72103130) (72103160) (71605100) -
Page 28: Three View Drawing
15CV,15CV-X THREE VIEW DRAWING Dimensions(mm) SPECIFICATIONS 35.5 Displacement 2.49 cc(0.152cu.in.) Bore 15.2 mm(0.598in.) Stroke 13.7 mm(0.539in.) Practical R.P.M. 3,000 30,000 r.p.m. Power output M5x0.8 0.68 bhp / 29,000 r.p.m. Weight 208g(7.27oz.)15CV 266g(9.32oz.)15CV-X 190g(6.70oz.)15CV Hyper 27.5 248g(8.75oz.)15CV-X Hyper 33.5(17.6) 90.6(74.6) ( )-15CV... - Page 29 MEMO...
- Page 30 6-15 3-Chome Imagawa Higashisumiyoshi-ku Osaka 546-0003, Japan TEL. (06) 6702-0225 FAX. (06) 6704-2722 URL : http://www.os-engines.co.jp Copyright 2000 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan. 070102...
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