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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  2-4  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.

1

CONTENTS

 

15

SAFETY INSTRUCTIONS AND 
WARNINGS ABOUT YOUR O.S. ENGINE

INTRODUCTION, BASIC ENGINE PARTS

INSTALLATION

THROTTLE LINKAGE,
INSTALLATION OF SILENCER (MUFFLER)

FUEL TANK LOCATION, GLOWPLUGS

FUEL, PROPELLER

MIXTURE CONTROLS, STARTING

RUNNING-IN ("Breaking-in")

MIXTURE CONTROL ADJUSTMENT CHART

SUBSEQUENT READJUSTMENT,
CARBURETOR CLEANLINESS.
ENGINE CARE AND MAINTENANCE

ENGINE EXPLODED VIEW & PARTS LIST 

CARBURETOR EXPLODED VIEWS &
PARTS LIST

O.S. GENUINE PARTS & ACCESSORIES

THREE VIEW DRAWING

MEMO

MIXTURE CONTROL VALVE ADJUSTMENT,
REALIGNMENT OF MIXTURE CONTROL VALVE,
SUBSEQUENT STARTING PROCEDURE

14

2-4

5

6

7

8

9

10

11-12

13

16

17

18

19

20

Summary of Contents for Max-BGX-1 Ring

Page 1: ...aircraft radio control equipment etc are accessible for checking at the same time 1 CONTENTS 15 SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE INTRODUCTION BASIC ENGINE PARTS INSTALLATION THROTTLE LINKAGE INSTALLATION OF SILENCER MUFFLER FUEL TANK LOCATION GLOWPLUGS FUEL PROPELLER MIXTURE CONTROLS STARTING RUNNING IN Breaking in MIXTURE CONTROL ADJUSTMENT CHART SUBSEQUENT READJUSTMENT CARB...

Page 2: ...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 3 NOTES This engine was designed for model aircra...

Page 3: ...diately 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 the propeller is casually flipped over compression WITHOUT the glowplug battery being reconnected Remember this if you wish to avoid the risk of a painfully rapped knuckle NOTES 5 INTRODUCTION INSTALLING THE GLOW PLUG Glow plug Careful...

Page 4: ...2 Allen screwa provided Bolt the complete engine and backplate mount assembly to the firewall using the six M5x25 Allen screws toothed lock washers and blind nuts supplied Firewall Toothed lock washer M5x25 O ring Backplate mount At least 15mm rigid hard plywood M5 Blind nut 6 5mm hole M5x22 100mm 7 Before connecting the throttle lever servo linkage make sure that no part of the linkage interferes...

Page 5: ...Starting qualities deteriorate 9 FUEL 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 which might ignite it Do not smoke or allow anyone else to smoke near ...

Page 6: ... the first few times known as running in or breaking in This is because the working parts of a new engine take some time to settle down after being subjected to high temperatures and stresses Therefore it is vitally important to complete the break in before allowing the engine to run continuously at high speed and before finalizing carburettor adjustments However because O S engines are produced w...

Page 7: ...dle valve settings i e ignition of the fuel charge takes place at every fourth stroke of the piston instead of at every second stroke 1 2 3 4 5 6 7 13 MIXTURE CONTROL ADJUSTMENT CHART Start the engine Make sure that the throttle is fully open Adjust the neede valve Close the throttle gradually Find the idling position Fix the idling position Open the throttle fully Does the engine regain full powe...

Page 8: ...O S Super Filters large and small are available as optional extras to deal with this problem One of these filters fitted to the outlet tube inside your refueling container will prevent the entry of foreign material into the fuel tank It is also recommended that a good in line filter be installed between the tank and needle valve Do not forget to clean the filters regularly to remove dirt and lint ...

Page 9: ...00 29308000 29208200 29320000 46231000 29301000 71704230 28282000 28281970 24981837 26381501 26711305 46181950 29330000 29302000 29314010 29307000 29313000 71919000 71608001 29325000 29325300 29325400 29326000 The specifications are subject to alteration for improvement without notice C M4x20 N M5x15 C M5x10 S M3x3 1 2 3 4 5 6 7 8 9 10 10 1 11 12 13 14 15 15 1 15 2 15 3 15 4 15 5 16 17 18 19 20 17...

Page 10: ...3 8 M5 S GLOWPLUG 71608001 No 8 A5 71605100 SILICONE TUBE ASSEMBLY 72102300 EXHAUST HEADER PIPE 72102200 T 6000 TUNED SILENCER 72102010 55500004 M5 79870050 M5 72200080 NEEDLE VALVE EXTENSION CABLE SET The specifications are subject to alteration for improvement without notice 19 Dimensions mm Specifications THREE VIEW DRAWING Displacement Bore Stroke Practical R P M Output Weight 34 97 cc 2 13 cu...

Page 11: ...served Printed in Japan TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higashisumiyoshi ku Osaka 546 0003 Japan 60090440 061102 URL http www os engines co jp U N E Q U A LLED QUALITY PRECISION PERFOR M A N C E E S T A BLISHING THE STANDARDS OF EXCELLE N C E ...

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