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Part
No. 5600
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Size
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Bore
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Stroke
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HP
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Max
RPM
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Weight
(oz)
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Propeller
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.20
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0.65
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0.64
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0.5
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13,000
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10
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9
x 4
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WARNING
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PLEASE
READ ALL SAFETY
INSTRUCTIONS! Failure to read, understand and follow
these instructions could result in personal injury and/or
property damage to yourself or others.
Take
a few moments to familiarize yourself with the various parts
of the engine. DO NOT DISASSEMBLE YOUR ENGINE! Doing so will
void your warranty. No exceptions!
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ENGINE
BREAK-IN
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It is
unnecessary to give the engine a prolonged break-in. However,
we suggest that you mount your engine to a break-in stand
to familiarize yourself with it and with the carburetor operation.
It is strongly recommended that fuels containing more than
15% nitro-methane be avoided until after the engine has been
in operation for about an hour on a mild fuel, and under mixture-rich
conditions. Mixture-rich operation is when the engine has
a slight burbling sound and probably a very smoky
exhaust. This helps lubrication and cooling when the engine
is new.
Typically,
an engine will be ready for full-throttle and mixture-lean
operation after less than an hour of running. When the engine
holds R.P.M. after the mixture has been leaned out ... when
R.P.M.s dont sag after a moment or so ... the
engine can be considered to be broken in.
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ENGINE
and FUEL TANK INSTALLATION
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The engine
may be installed upright, on either side, or inverted (upside
down). The 1/4 inch diameter output shaft mounts standard
hole-size propellers.
Mount
the engine firmly to hardwood rails, or to the firewall, if
you use a radial mount. For maximum security, use carbon steel,
self-locking hex nuts and hardened alloy steel machine screws
to mount the engine. The fuel tank size, location, and height
have a great influence on engine operation. It should
be located close to the engine. For carburetor engines,
locate the tank so that its horizontal centerline is from
1/4 to 3/8 below the fuel connection to the carburetor.
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STARTING
THE ENGINE
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With
a full tank of fuel, the recommended propeller installed,
and a fully-charged booster battery of no more than 1.5 volts
ready for connection to glow plug, proceed as follows to manually
start an engine installed in a plane.
1.
With the booster battery disconnected, turn the needle valve
counter-clockwise 2-1/2 turns from the fully closed position.
2.
With the booster battery still disconnected and with the throttle
wide open, place finger tip over the carburetor inlet and
flip the propeller quickly 2 or 3 times, to prime the engine.
3.
Remove finger tip from the carburetor inlet then close the
throttle to a fast idle setting and again flip the propeller
quickly 2 or 3 times.
4.
Connect the booster battery clip to the glow plug.
5.
Slowly turn the propeller (counterclockwise) and feel
for a momentary resistance, which indicates ignition of the
mixture in the cylinder.
6.
Quickly flip the propeller to start the engine and then disconnect
the booster battery after the engine has started.
7.
Except for the first hour or so, as noted under Engine
Break-in, adjust the needle valve by turning clockwise
to lean the mixture for full power operation. If the R.P.M.
starts to sag (back-off) you have leaned the mixture too much
and you should then turn the needle valve counterclockwise
until the R.P.M. picks up and holds steady.
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STOPPING
THE ENGINE
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If
you wish to stop the engine while on the ground, bring the
engine down to low idle and pull or pinch the fuel line off
to run the engine dry.
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PROPELLERS
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A 9" x
4p propeller is recommended as a starting size. However,
experimenting with one pitch or diameter larger or smaller can
improve results for your particular airplane. |
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GLOW
PLUGS
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This engine
comes equipped with a standard Long Reach Glow Plug (K&B
No. 7311). Performance will vary, depending on the glow
plug and fuel used. |
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ENGINE
CARE
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Dust
and dirt are the worst enemies of your engine. At all
times, keep the engine and the fuel clean. Wipe engine
surfaces clean with a rag dipped in a solvent such as methanol
or paint thinner, or use a soft-bristle, metal brush to clean
engine surfaces.
If
it becomes necessary to disassemble and clean the engine,
remove only the cylinder head and the backplate from the crankcase.
Submerse the engine in the solvent while turning crankshaft
by hand, and use a soft-bristle brush to clean inside engine.
Flush engine repeatedly to assure removal of any solid particles.
Be sure that the transfer and exhaust ports in the cylinder
wall are uncovered by the piston.
If
the carburetor is to be removed from cleaning, or to enable
better cleaning of the engine, disconnect the throttle linkage
and then loosen the drawbar at the base of the carburetor.
Lift out the carburetor, taking care not to lose the "O" Ring
Seal. Disassemble and clean the carburetor, using a
solvent such as Methanol. Blow out all the passage ways.
When reinstalling the carburetor, press it gently downward
against the "O" Ring Seal while tightening the drawbar.
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OPERATING
INSTRUCTIONS
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If you
are unfamiliar with this line of carburetors or are a new
modeler, please do not attempt to start the engine until you
have read and understand the following instructions.
1,
Needle Valve Set-Up -
Locate an area to install the remote needle valve assembly.
This assembly must be in the fuel line between the tank and
the carburetor. The line should not exceed five (5)
inches in total length.
2.
Linkage Setup - Notice
the barrel will rotate 360 degrees. Using your radio
and trim functions, set the barrel movement for full open
and full close. IMPORTANT:
THE BARREL MUST CLOSE IN A CLOCKWISE ROTATION. The opening
in the barrel spraybar faces the crankshaft.
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NEEDLE
VALVE ADJUSTMENTS
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Note
that there are two fuel metering adjustments:
1.
High Speed Needle Valve Adjustments
This
needle valve, located on the Remote Needle Valve Assembly,
controls all the fuel that comes to the engine, whether
the engine is running at high, mid-range, or idle
speeds. It does not affect the low speed rich/lean
setting. The High Speed Needle Valve's main function,
however, is to meter the high-speed fuel mixture. WARNING:
DO NOT RUN THE ENGINE AT A "LEAN"
SETTING.
2.
Low Speed and Mid-range Mixture Adjustment
The
rich/lean adjustment is controlled by the "slotted" screw
located on the side of the carburetor where the low speed
disk is housed. The rich/lean mixture control is set
at the factory and may require only a "fine" adjustment
for your application. This screw only turns 1/4 turn
to either the right or left of center. It does not
turn all the way around. Turn the screw clockwise
to "lean" the engine and counterclockwise to richen the
mixture.
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NEEDLE
VALVE ADJUSTMENTS - GENERAL
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As a starting
point for the high speed needle adjustment, completely close
the needle valve (clockwise), then open it (counterclockwise)
three and a half turns. This setting is an average and
may require further adjustments. For higher altitudes
(3,000 - 4,000 feet), close needle valve approximately 1/2 turn.
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©
Model Engine Corporation of America, All rights reserved.
K&B and the oval logo are Registered Trademarks of Model Engine
Corp. of America
Registered U.S. Patent Office
No
part may be reproduced without written permission from
MECOA/K&B -- P.O. Box 5 -- Sierra Madre, CA 91025 U.S.A.
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