O.S. engine FS-40S-C Einrichtungshandbuch

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.

●

SAFETY INSTRUCTIONS AND WARNINGS

ABOUT YOUR O.S. ENGINE

INTRODUCTION, BASIC ENGINE PARTS

INSTALLATION OF THE CARBURETOR

ENGINE INSTALLATION

SUPER AIR CLEANER TYPE 102S

NOTES CONCERNING THE RECOIL STARTER

GLOWPLUG

TOOLS, ACCESSORIES, etc.

PRESSURIZED FUEL SYSTEM

STARTING,

RUNNING AND ADJUSTMENT

IF THE ENGINE FAILS TO START

VALVE ADJUSTING

CARE & MAINTENANCE

PARTS REPLACEMENT

GENUINE PARTS & ACCESSORIES

FS-40S-C EXPLODED VIEW

& PARTS LIST

FS-40S-CX EXPLODED VIEW

& PARTS LIST

CARBURETTOR EXPLODED

VIEW & PARTS LIST

THREE VIEW DRAWING

CONTENTS

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 future date, your O.S. engine is acquired by another person, we 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 applies basically to ALL MODEL ENGINES and is

grouped under two headings according to the degree of damage or danger

which might arise through misuse or neglect.

WARNINGS NOTES

These cover events which

might involve serious (in

extreme circumstances, even

fatal) injury.

These cover the many other

possibilities, generally less obvious

sources of danger, but which, under

certain circumstances, may also

cause damage or injury.

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.

Model engine fuel is also

highly flammable. Keep it

away from open flame,

excessive heat, sources of

sparks, or anything else

whichmightigniteit.Donot

smokeorallowanyoneelse

to smoke, near to it.

Never operate your engine in an

enclosed space. Model engines, like

automobile engines, exhaust deadly

carbon-monoxide. Run your engine

only in an open area.

Model engines generate

considerable heat. Do not

touch any part of your

engine until it has cooled.

Contact with the muffler

(silencer), cylinder head

or exhaust header pipe, in

particular, may result in a

serious burn.

••

•

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 (especially in the case of the

most powerful highspeed engines)

may eventually impair your hearing

and such noise is also likely to cause

annoyance to others over a wide area.

The wearing of safety glasses is also

strongly recommended.

Take care that the glowplug clip or

battery leads do not come into contact

with rotating parts. Also check that the

linkage to the throttle arm is secure.

For their safety, keep all onlookers

(especially small children) well back

(at least 20 feet or 6 meters) when

preparing your model for running.

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 tube from the tank.

•

Warning! Immediately after a glowplug-

ignition engine has been run and is still

warm, conditions sometimes exist

whereby it is just possible for the engine

to abruptly restart if it is rotated over

compression WITHOUT the glowplug

battery being reconnected.

•

Do not attempt to disassemble the

recoil starter of the 40S-CX.

If you do so, the very strong spring

inside will be suddenly ejected. This

can be very dangerous.

Do not extend the starter cord more

than 40cm (16"). Do not abruptly

release the operating handle. Allow

the cord to rewind smoothly while

still holding the handle.

•

Pull the operating handle straight out

when starting the engine, so that the

cord does not rub against the vehicle

body or engine. This will help prevent

the cord from being damaged by

abrasion or engine heat.

•

These are overhead-valve four-stroke-

cycle engines designed for 1/8 scale

radio-controlled model cars.

The engine is distinguished by a black-

anodized crankcase and rocker-cover

and is supplied complete with an O.S.

Super Air Cleaner as standard.

The FS-40S-CX is equipped with a built

in recoil starter system which eliminates

the need for a separate electric starter

and starter battery.

INTRODUCTION

Rocker Cover

Intake Pipe Cylinder Head

Recoil Starter

Assembly Crankcase

Beam Mount

Carburettor

BASIC ENGINE PARTS

Starter Handle

FS-40S-CX

INSTALLING THE GLOWPLUG

Install the washer on the

glowplug and insert carefully into

cylinder-head, making sure that

it is not cross-threaded before

tightening firmly.

Glow plug

Washer

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 3.5mm or 4-40 steel Allen

hexagon socket type. If existing holes in the

engine mount do not align perfectly with engine

Chassis

Chamfer inside edges of bearers.

mountinglugs,enlargethemslightlywithaneedle-

filesothatscrewsentervertically.Avoidforcingthe

screws.

INSTALLATION OF THE CARBURETOR

As delivered, the engine has its carburetor lightly

fit into the intake boss. Secure it as follows.

Loosen the retainer screw,and remove the

carburetor. Place the rubber gasket at bottom

of the intake boss, and rotate the carburettor

to its correct position and make sure that it is

pressed well down into the intake boss,

compressing the rubber gasket, before

retightening screw.

Rotate the retainer screw gently until it stops,

then tighten a further 60-90˚.

Do not overtighten the screw as this will

damage the carburettor body.

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 air cleaner body firmly over the

carburettor air intake. Make sure that the outer

rim of the air intake engages the internal

annular groove in the air cleaner: failure to do

so may result in the air cleaner falling off.

•

It has a single filter element and is intended

primarily for circuit racing, where conditions are

less damaging than the very dusty, loose surfaces

of off-road operation for which the double-element

Type101and102AirCleanersarerecommended.

The lower height of the Super Air-Cleaner 102S

also facilitates easier installation in cars where

available space may be restricted.

NOTE:

Where spacers are supplied joined in pairs

(see sketch), separate them as shown.

Either face may be placed downwards.

Secure with locknuts. If the bottom of the recoil

starter housing would otherwise touch the car

chassis, install the engine mount spacers

(supplied)betweentheengine'smountinglugsand

the engine mount. Use the M3.5x15 screws

provided.Withsomevehicles,itmaybenecessary

tomakeminortrimmingmodificationstochassisor

body when fitting the engine.

Mount Spacer

Separate

Engine Mount Engine Mount Spacer

◆

NOTES CONCERNING THE RECOIL STARTER

( FS-40S-CX ONLY)

REMINDER!

◆

Do not attempt to disassemble the recoil

starter. If you do so, the very strong spring

inside will be suddenly ejected. This can be

very dangerous.

Do not extend the starter cord more than

40cm(16"). Do not abruptly release the

operating handle. Allow the cord to rewind

smoothly while still holding the handle.

Pull the operating handle straight out when

starting the engine, so that the cord does

not rub against the vehicle body or engine.

It is advisable to replace the filter element with

a new one after not more than one hour of

running time. Always remove contaminated

elements carefully, to ensure that dirt cannot

enter the carburettor.

REPLACEMENT OF ELEMENT

•

Position the air cleaner correctly, so that it

does not foul the cylinder-head or obstruct the

needle-valve.

•

FIT 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 the element. If your fingers

become contaminated, wash them with soap

and water.

During storage, the oil may have become

unevenly dispersed through the element. This

will be indicated if the blue colour of the element

material appears patchy.

•

Insert beneath flange

In this case, place the

element in a small plastic

bag and gently rub it

betweenfinger andthumbto

redistribute the oil.

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