O.S. engine MAX-BGX-1 RING Owner's Instruction Manual
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O.S. engine MAX-BGX-1 RING Owner's Instruction Manual

O.S. engine MAX-BGX-1 RING Owner's Instruction Manual

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It is of vital importance, before attempting to
operate your engine,
'SAFETY INSTRUCTIONS AND WARNINGS'
section on pages 2-4 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.
CONTENTS
INTRODUCTION, BASIC ENGINE PARTS
 
FUEL, PROPELLER
MIXTURE CONTROL ADJUSTMENT CHART
to read the general
2-4
5
6
7
8
9
10
11-12
13
MIXTURE CONTROL VALVE ADJUSTMENT,
REALIGNMENT OF MIXTURE CONTROL VALVE,
SUBSEQUENT STARTING PROCEDURE
ENGINE EXPLODED VIEW & PARTS LIST
1
14
15
16
17
18
19
20

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Summary of Contents for O.S. engine MAX-BGX-1 RING

  • Page 1: Table Of Contents

    CONTENTS SAFETY INSTRUCTIONS AND MIXTURE CONTROL VALVE ADJUSTMENT, WARNINGS ABOUT YOUR O.S. ENGINE REALIGNMENT OF MIXTURE CONTROL VALVE, SUBSEQUENT STARTING PROCEDURE INTRODUCTION, BASIC ENGINE PARTS SUBSEQUENT READJUSTMENT, INSTALLATION  ...

  • Page 2: Safety Instructions And Warnings About Your O.s. Engine

    600 feet(180 metres) per second, it will be understood all times. that such a failure could result in serious injury, (see 'NOTES' If at some future date, your O.S. engine is acquired by section relating to propeller safety). another person, we would respectfully request that these instructions are also passed on to its new owner.
  • Page 3 INTRODUCTION BASIC ENGINE PARTS Glowplug No.8 This 'RN' version of the MAX-BGX-1 RING is fitted, as stan- Cylinder Head dard, with a 'remote' needle-valve, mounted at the back of the engine, safely distanced from the propeller. This device was origonated by OS several years before be- ing adopted by a number of other manufacturers.

  • Page 4: Installation

    Depending on whether the engine is to be installed with INSTALLATION the cylinder upright, inverted, angled or horizontal, position There are two methods of installing the engine in the aircraft: the backplate mount so that the access hole in the side of (a) standard beam mounting, using the engine's integral the mount is conveniently located to receive the fuel line crankcase mounting lugs, and (b) radial mounting, using the...

  • Page 5: Fuel Tank Location, Glowplugs

    The role of the glowplug FUEL TANK LOCATION With a glowplug engine, ignition is initiated by the application of a 1.5-volt power source. When the battery is disconnected, A 700cc or 24 oz. fuel tank gives approximately 10 minutes the heat retained within the combustion chamber remains running time, with variations according to throttle setting, sufficient to keep the plug filament glowing, thereby continuing propeller size and fuel used.

  • Page 6: Mixture Controls, Starting

    Set the throttle rotor slightly open MIXTURE CONTROLS 2-3mm (2-3mm) from the closed position. Two mixture controls are provided on these engines. (This is to avoid unnecessarily high r.p.m. when the engine starts.) • The Needle Valve Connect battery leads to glowplug. When set to produce maximum power at full throttle, this establishes the basic fuel/air mixture strength.
  • Page 7 ◆ Needle-valve adjustment diagram Practical best(optimum) needle-valve setting Clear, high-pitched two-stroke exhaust note Maximum rpm setting("Lean"). Intermittent, high-pitched two-stroke note superimposed STARTING on low "four-stroke" "Rich" needle-valve sound. setting when starting the engine. Disconnect battery The engine may stop if leads from glowplug at the battery leads are about this point.

  • Page 8: Subsequent Readjustment

    ENGINE CARE AND MAINTENANCE SUBSEQUENT READJUSTMENT Once the engine has been run-in and the controls properly At the end of each operating session, drain out any fuel that set up, it should be unnecessary to alter the mixture settings; may remain in the fuel tank. except to make minor adjustments to the Needle-Valve Next, energize the glowplug and try to restart the engine to occasionally, to take account of variations in climatic...

  • Page 9: Carburetor Exploded Views

    ENGINE EXPLODED VIEW Code No. Description 29304000 Cylinder Head C.M4x20 29303100 Cylinder Liner 29303400 Piston Ring 29303200 Piston 29306000 Piston Pin 29317000 Piston Pin Retainer (2pcs.) 29305000 Connecting Rod 29383010 Carburetor Complete (Type 8AA-RN) 29310100 Propeller Lock Nut Set 29308000 Drive Hub 10-1 29208200...

  • Page 10: O.s. Genuine Parts & Accessories

    O.S. GENUINE PARTS & ACCESSORIES GLOWPLUG BOOSTER TERMINAL KIT SILICONE TUBE ASSEMBLY T-6000 TUNED SILENCER (72102300) (72200130) (72102010) No.8 (71608001) EXHAUST HEADER PIPE NEEDLE VALVE (71605100) EXTENSION CABLE SET (72102200) (72200080) NON-BUBBLE WEIGHT LONG SOCKET WRENCH CAP SCREW SET (10pcs.) PROPELLER LOCKNUT SET WITH PLUG GRIP (71531000)

  • Page 11: Memo

    MEMO 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 2003 by O.S.Engines Mfg. Co., Ltd. All rights reserved. Printed in Japan. 60090440 061102...

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