O.S. engine FF-320 Скачать руководство пользователя

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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.

Horizontally-opposed four-cylinder
overhead-valve four-stroke-cycle

2-4

6-7

8-9

10-11

13-14

14-18

18-19

19-21

23-25

SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE

INTRODUCTION, TOOLS AND ACCESSORIES

ENGINE PARTS NAME

INSTALLATION

PROPELLER

GLOWPLUGS

GLOWPLUG HEATING

FUEL AND LUBRICATION, STARTING

RUNNING-IN ("Breaking-in")

THROTTLE VALVE ADJUSTMENT

CONTENTS

FLIGHT

CARE AND MAINTENANCE

VALVE CLEARANCE ADJUSTMENT

ENGINE EXPLODED VIEW

ENGINE PARTS LIST

CARBURETOR EXPLODED VIEW

PARTS LIST

O.S. GENUINE PARTS & ACCESSORIES

ENGINE THREE VIEW DRAWINGS

Содержание FF-320

Страница 1: ...ructions supplied with the aircraft radio control equipment etc are accessible for checking at the same time Horizontally opposed four cylinder overhead valve four stroke cycle 1 2 4 5 6 7 8 9 10 11 12 13 14 14 18 18 19 19 21 22 22 23 25 26 27 28 29 30 SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE INTRODUCTION TOOLS AND ACCESSORIES ENGINE PARTS NAME INSTALLATION PROPELLER GLOWPLUGS GLOWPL...

Страница 2: ...de 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 aircraft Do not attempt to use it for any other purpose Mount the engine in your model securely following...

Страница 3: ...ning be especially cautious Keep the propeller pointed away from you and walk well clear of spectators 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 the propeller is casually flipped over compression WITHOUT the glowplug battery being reconnected Remember this if you w...

Страница 4: ...r Crankcase Propeller Nut No 1 Cylinder Photo 2 No 2 Cylinder No 3 Cylinder No 4 Cylinder Front Housing 7 Rocker Cover Rear Housing Carburetor Exhaust Pipe Cylinder Head Photo 3 Drain Nipple Breather Nipple Choke Valve Fuel Inlet Intake Manifold ...

Страница 5: ...t 9 Choke valve The choke valve operating lever can be located rught or left by reversing the hexagon nut and cap screw Unscrew the cap screw while holding the hexagon nut with 6mm wrench and re fit the lever to required location If the rod is too long reduce it to required length A needlessly lengthy rod may vibrete The rod should be as short as possible or have its outer end supported Fig 3 Set ...

Страница 6: ...lean or under an excessively heavy load Obviously this can be very hazardous To eliminate such dangers the O S Safety Locknut Assembly was devised Install this as follows To be equal To be equal Ream to 12mm dia Fig 8 Use a propeller that has a hub of more than 40mm dia Fig 9 Ream the propeller shaft hole to 12mm bore with an appropriate reamer checking that the hole is exactly centered 11 Install...

Страница 7: ... conveniently located common external point on the fuselage This can either be a terminal with a separate terminal for the earth ground lead Fig 12 or a suitable socket or jack with connections for both glowplug and earth ground leads Fig 13 Note that the earth ground lead supplied is much heavier 2 0 mm multi strand copper core than the plug leads as this has to have the capacity to carry the cur...

Страница 8: ...smoke or allow anyone else to smoke near to it Reminder Fuel The FF 320 should be operated on a methanol based fuel containing not less than 18 volumetric castor oil or a top quality synthetic lubricant or a mixture of both plus a small percentage 5 20 of nitromethane for improved flexibility and power FUEL AND LUBRICATION 15 Lubrication All parts of the FF 320 are automatically lubricated by the ...

Страница 9: ...ately turn the propeller counter clockwise several times so that fuel is drawn well into the cylinders Fig 22 4 Fig 22 Set the throttle valve approximately 1 4 open from the fully closed position Fig 23 5 Fig 23 Fully open Fully closed Set at this position 17 Starting with an electric starter Fig 24 6 Make sure that the direction of rotation of the starter is correct Connect the glowplug battery A...

Страница 10: ...0 seconds Repeat above procedure i e richening and leaning the mixture until the engine has approx 10 minutes of running time Keep the throttle fully open using only the needle valve to change r p m Prolonged running in on the ground is not suggested because the purpose is just initial running in to increace engine temperature gradually close to that of maximam r p m NOTE 19 2 Running in in the ai...

Страница 11: ...btained The position where the lowest possible r p m with steady running is obtained Approx 40 open from maximum r p m setting Yes No Yes Engine stops Engine stops Disconnect the glowplugs from the battery Make sure that all 4 cylinders are firing Make sure glowplug switch is on The engine hesitates before picking up to full speed or appears to run at medium speed with reduced power Check mixture ...

Страница 12: ...le lever is removed mark Throttle lever Carefully turn the screw in the direction of the mark with the screw driver supplied until it stops then turn back again exactly two turns NOTE If an on board glowplug re heat system is installed mixture adjustment at idle speed should be carried out with this in operation 22 FLIGHT It is necessary to warm up the engine as with a full size aircraft or automo...

Страница 13: ... this point both valves should be closed If the prop driver drive hub of your engine is engraved with a letter T this mark should now be at the top The standard valve clearance on both inlet and exhaust valves is between 0 04mm and 0 1mm 0 0015 0 004 inch measured between valve stem and rocker arm Use the 0 04mm and 0 1mm feeler gauges to check clearances See Fig 34 Fig 34 0 04mm Feeler Gauge Rock...

Страница 14: ... replace rocker box cover 6 Remember Excessive valve clearance will cause loss of power due to valve s not opening sufficiently On the other hand a total loss of clearance may cause difficult starting due to valves not closing properly resulting in loss of compression Re tighten locknut while holding adjusting screw stationary Fig 38 4 Hold at the screw head Fig 38 Tighten Locknut ...

Страница 15: ...45115000 46115000 46468110 46168100 45169200 46468300 46468200 46168210 45169200 46468300 46168500 45566000 45566100 Screw Set Rocker Cover Rocker Support Assembly Rocker Support Rocker Arm Retainer 2pcs Rocker Arm Assembly 1pair Rocker Arm 1pc Tappet Adjusting Screw Exhaust Pipe Assembly 1pair Exhaust Pipe Exhaust Pipe Lock Nut Exhaust Pipe Washer 1pc Valve Assembly 1pair Valve 1pc Valve Spring 1...

Страница 16: ...tle Lever Assembly Set screw Mixture Control Screw Assembly O Ring 2pcs Mixture Control Screw Holder Assembly Set screw Carburetor Rotor Mixture Control Valve Pin Mixture Control Valve Assembly O Ring 2pcs Carburetor Body Needle Valve Assembly Needle Assembly O Ring 2pcs Set screw Needle Valve Holder Assembly Needle Valve Holder Fuel Inlet Ratchet Spring Throttle Stop Screw Assembly Throttle Stop ...

Страница 17: ...3 5 6 8 76 Dimensions mm THREE VIEW DRAWING Specifications Displacement Bore Stroke PracticalR P M Output Weight C Copyright 2005 by O S Engines Mfg Co Ltd All rights reserved Printed in Japan 60090560 010601 TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imagawa Higashisumiyoshi ku Osaka 546 0003 Japan URL http www os engines co jp ...

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