O.S. engine MAX-15LD Guía de configuración
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.
●
●
CONTENTS
SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE
INTRODUCTION, BASIC ENGINE PARTS
ENGINE SHIELD, INSTALLATION
THROTTLE LINKAGE
AIR CLEANER
NOTES CONCERNING
THE RECOIL STARTER
GLOWPLUGS
TOOLS, ACCESSORIES, etc.
CARBURETOR CONTROLS
STARTING THE ENGINE &
RUNNING-IN('Breaking-in)
IF THE ENGINE FAILS TO START
FINALADJUSTMENT
CARBURETOR CLEANLINESS
CARE AND MAINTENANCE
PARTS REPLACEMENT
EXPLODED VIEW &
ENGINE PARTS LIST
CARBURETOR EXPLODED VIEW
& PARTS LIST
O.S. GENUINE PARTS &
ACCESSORIES
THREE VIEW DRAWING
MEMO
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1
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.
2
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 anything else
whichmightigniteit.Donot
smokeorallowanyoneelse
to smoke, near to it.
Never operate your engine in an en-
closed 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.
••
•
•
3
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
•
•
•
•
•
•
4
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 12LD-X and 15LD-
X. 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 45cm (18"). 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.
•
5
INSTALLING THE GLOWPLUG
Fit washer to glowplug and
insert carefully into cylinder-
head, making sure that it is
not cross-threaded
before tightening firmly. Glow plug
Washer
ENGINE SHIELD
If the engine shield has to be removed, e.g. for
access to the carburettor, etc., apply a little
LOCTITE liquid
polymer sealant to the
two crankcase lug
screw holes when
reinserting the fixing
screws.UseLOCTITE
sparingly, as excess
sealant will have a
deleterious effect on
the shield material.
Apply a little LOCTITE
to these screw holes.
INSTALLATION OF ENGINE
Make sure that the chassis is flat and free from
flaws or dirt. The recommended screws for
securing the engine to the chassis are 3mm (8
to 10mm long ).
In the case of the 12/15LD-X, fit the engine
mount spacers between the engine and
chassis to avoid interference between starter
housing and chassis.
Divide the spacers into lengths.
Mount Spacer
Separate
Mount Spacer
Chassis
3mm Screw
7
INSTALLATION OF E-1000 SILENCER (12/15LD
(
T
)
.LD-X
(
T
)
)
Fit the nipple (supplied) to
the silencer, applying heat-
resistant epoxy sealant at
the roor of the fitting (See
sketch).
Before installing the engine
in the chassis, secure the silencer to the en-
gine with M3X27mm screws.
Seal here applying
heat-resistent
epoxy sealant.
MODIFICATION OF O.S. E-1000 SILENCER FOR
PRESSURIZED FUEL SUPPLY
•
•
THROTTLE LINKAGE
The throttle-arm ball-link is adjustable. Loosen
3mm set-screw and adjust the link so that link-
age rod and upper plate become parallel, and
then retighten it securely.
If the linkage rod and upper plate are not paral-
lel, throttle valve will not move smooth-ly and
may dam-age the carburettor.
Adjust the ball link position so that
linkage rod and upper plate become
parallel by loosening 3mm set-screw.
Upper plate
Throttle servo
3mm set-screw Chassis
AIR CLEANER
The air cleaner of this engine is integrated with
the engine shield. It contains a specially im-
pregnated filter element which prevents highly
damaging dust and dirt from being drawn into
the engine through the carburettor.
An O-ring is fitted between the engine shield
and carburettor to exclude air leaks.
8
•
•
•
•
◆
◆
◆
NOTES CONCERNING THE RECOIL STARTER
( 12/15LD-X 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
45cm(18"). 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.
Try to avoid spilling fuel over the starter
unit and its cord. Some fuels have a
detrimental effect on these parts.
FILTER ELEMENT AND ITS REPLACEMENT
The elements are already impregnated with a
special filter oil. As this oil is very sticky, take care,
when handling them, to prevent dust or dirt from
adhering to the elements. If your fingers become
contaminated, wash them with soap and water.
During storage, the filter oil may become unevenly
dispersed through the element. This will be
indicated if the blue colour of the element material
appears patchy. In this case, place element in a
small plastic bag and gently rub it between finger
and thumb to redistribute the oil.
When fitting the element, be careful not to leave
spaces through which foreign matter may be
drawn.
It is advisable to replace the
element with a new one
after not more than one
hour of running time.
Always remove con-
taminated element carefully,
to ensure that dirt cannot
enter the carburettor.
Be careful not to
leave gaps.
9
Glowplug life
Particularly in the case of very high performance engines,
glowplugs must be regarded as expendable items.
Fit 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 leave the
battery connected while adjusting the needle.
However, plug life can be extended and engine
performance maintained by careful use, i.e.:
•
•
•
GLOWPLUGS
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. Ignition timing is 'automatic' : under
reduced load, allowing higher rpm, the plug becomes
hotter and, appropriately, fires the fuel/air charge
earlier; conversely, at reduced rpm, the plug become
cooler and ignition is retarded.
Since the compatibility of glowplug and fuel may have
a marked effect on performance and reliability, it may
be worthwhile to choose the R/C type plug found
most suitable after tests. Recommended O.S. plugs
are No.8, A3, and A5. Carefully fit plug finger-tight,
before final tightening with the correct size plug
wrench.
The starter prevents the engine from being
rotated in the wrong direction.The unit will
be damaged if you attempt to force the fly-
wheel in the opposite direction (i.e. clock-
wisewhen viewed fromthecrankshaft end).
NOTE:
Because, in the interests of personal safety,
dismantling of the starter mechanism is
strongly discouraged, the Recoil Starter is
available for replacement only as a pre-
assembled unit.
However, some related parts, such as
Starting Shaft and Rear Adaptor, are
obtainable separately. (See Parts List.)
◆
10
Este manual sirve para los siguientes modelos
3
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