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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 2-6 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.

JAPAN

1

CONTENTS

SAFETY INSTRUCTIONS AND 

WARNINGS ABOUT YOUR O.S. ENGINE

INTRODUCTION,  

BEFORE INSTALLING THE ENGINE

BASIC ENGINE PARTS 

NEEDLE-VALVE LOCATION

INSTALLATION OF THE ENGINE

THROTTLE LINKAGE

SILENCER

FUEL TANK LOCATION

GLOWPLUG

FUEL, PROPELLERS

MIXTURE CONTROLS

BEFORE STARTING

RUNNING-IN (Breaking-in)

IDLING ADJUSTMENT CHART

MIXTURE CONTROLVALVE ADJUSTMENT,

REALIGNMENT OF MIXTURE CONTROL 

VALVE

SUBSEQUENT STARTING PROCEDURE

SUBSEQUENT READJUSTMENT

CARBURETOR CLEANLINESS,

ENGINE CARE AND  MAINTENANCE

ENGINE EXPLODED VIEWS &

ENGINE PARTS LISTS

CARBURETOR EXPLODED VIEWS 

& PARTS LISTS

O.S. GENUINE PARTS & ACCESSORIES

ENGINE THREE VIEW DRAWINGS

MEMO

STARTING

17-18

19-21

22

23

24

25

29-30

26-27

28

31

32

2-6

7

8

9-10

10

11

12

13

14-15

15

16-17

Summary of Contents for MAX-46AXII

Page 1: ...checking at the same time JAPAN 1 CONTENTS SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE INTRODUCTION BEFORE INSTALLING THE ENGINE BASIC ENGINE PARTS NEEDLE VALVE LOCATION INSTALLATION OF THE...

Page 2: ...onous 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 Never operate your engine in an en closed space Model e...

Page 3: ...ry before restarting the engine particularly in the case of four stroke cycle engines If a safety locknut assembly is provided with your engine always use it This will prevent the propeller from flyin...

Page 4: ...ession WITHOUT the glowplug battery being reconnected Remember this if you wish to avoid the risk of a painfully rapped knuckle 7 This engine is ideally suited to a variety of R C aircraft including t...

Page 5: ...valve unit through 90 and re attach it to the bracket in the required position see sketch right Vertical position Factory position Cover plate fitting holes Needle Valve unit Needle Valve unit attachm...

Page 6: ...connecting the throttle lever servo linkage make sure that no part of the linkage interferes with the internal structure of the aircraft or wiring etc when the throttle is fully open or fully closed...

Page 7: ...uitable 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...

Page 8: ...18 lubricant by volume Some fuels containing coloring additives tend to deteriorate and may adversely affect running qualities Once a satisfactory fuel has been selected and used for a while it may b...

Page 9: ...tors as shown on the right are commercially available 17 12V Battery Starter 5 Fuel tank For installation in the model a 300cc 10 6oz tank is suggested 6 Fuel bottle or pump For filling the fuel tank...

Page 10: ...llows the working parts to mate together under load at operating temperature Therefore it is vitally important to complete the break in before allowing the engine to run continuously at high speed and...

Page 11: ...to arrive at the optimum setting Optimum needle setting 1 Optimum needle setting 2 21 20 45 Needle valve adjustment diagram This diagram is for reference purposes only Actual needle positions may diff...

Page 12: ...ntrol Screw clockwise 15 30 If the mixture is excessively rich engine rpm will become unstable opening the throttle will produce a great deal of smoke and rpm may drop suddenly or the engine may stop...

Page 13: ...ting carburetor readjustments Note 1 2 25 CARBURETOR CLEANLINESS ENGINE CARE AND MAINTENANCE At the end of each operating session drain out any fuel that may remain in the fuel tank Next energize the...

Page 14: ...F Crankcase Crankshaft Ball Bearing R Crankshaft Gasket Set Cover Plate Needle Stay Needle Valve Unit Assembly Needle Assembly O Ring 2pcs Set Screw Ratchet Spring Needle Valve Unit Body Needle Valve...

Page 15: ...cations are subject to alteration for improvement without notice 6 7 8 N M3 5x6 1 2 3 4 5 1 1 1 2 2 1 1 1 1 1 2 2 2 1 3 4 5 6 7 8 24681410 22681419 22781420 24681610 22781800 24681200 24681100 4558182...

Page 16: ...9870040 M4 25425600 M4 55500003 SILENCER EXTENSION ADAPTORS 31 7 45cc 0 455cu in 22 0mm 0 866in 19 6mm 0 772in 2 000 17 000r p m 1 65ps 1 67hp 16 000r p m 375g 13 2oz 120g 4 23oz Displacement Bore Str...

Page 17: ...erved Printed in Japan 60092030 061105 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 TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higash...

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