O.S. engine FR7-420 Скачать руководство пользователя

Страница: 18 / 18

Dimensions (mm)

THREE VIEW DRAWING

Specifications

Displacement
Bore
Stroke
PracticalR.P.M.
Output
Weight

158.5

122

230

UNF3/8-24

9.95 cc x 7 / 0.607 cu.in. x 7
24.0 mm / 0.945 in.
22.0 mm / 0.866 in.
1,500-7,000r.p.m.

3,167 g / 111.71 oz.

60092360 081002

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

Содержание FR7-420

Страница 1: ...h the aircraft radio control equipment etc are accessible for checking at the same time Seven cylinder radial overhead valve four stroke engine 1 SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE NOTES WHEN APPLYING AN ELECTRIC STARTER ABOUT THE ENGINE ENGINE PARTS NAME INSTALLATION FUEL TANK LINES GLOWPLUG MIXTURE CONTROLS PROPELLER GLOWPLUG HEATING FUEL AND LUBRICATION CONTENTS STARTING RUN...

Страница 2: ... 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 aircraft Do not attempt to use it for any other purp...

Страница 3: ...ontaining loose gravel or sand The propeller may throw such material in your face and eyes and cause injury For their safety keep all onlookers especially small children well back at least 20 feet or 6 meters when preparing your model for flight If you have to carry the model to the take off point with the engine running be especially cautious Keep the propeller pointed away from you and walk well...

Страница 4: ...RIES Glow Plug Type F installed on the engine Valve adjusting tool kit Feeler gauge 0 04mm Feeler gauge 0 1mm Hex key 1 5mm Wrench 5mm Plug Cable Set Plug Cable Plug Terminal 7pcs 7pcs w silicone tube Radial Mount Retaining Screw Set Engine mounting screws M5X25 Lock washers ø5 Blind nuts M5 5pcs 5pcs 5pcs Lead for ground 5 1pc Needle Valve Extension Cable Set STANDARD ACCESSORIES Drain Plug Carbu...

Страница 5: ...loosening The needle valve supplied with this engine is designed to incorporate an extension so that when the engine is enclosed within the fuselage the needle valve may be adjusted from the outside For this purpose a Needle Valve Extension Cable Set is supplied with the engine If a longer extension is reguired cut a commercially available rod to the required length bend one end to an L shape inse...

Страница 6: ...mostly accumulate here Dirt and foreign matter mostly accumulate here Needle valve holder 11 FUEL TANK LINES Make sure that the tank is well rinsed out with methanol or glow fuel before installation and that the pickup weight is well clear of the bottom of the tank when held vertically A 700cc tank will allow approx 10 minutes medium speed flight Locate the fuel tank as close as possible to the ca...

Страница 7: ...set to produce maximum power at full throttle this establishes the basic fuel air mixture strength The correct mixture is then maintained by the carburetor s built in automatic mixture control system to cover the engine s requirements at reduced throttle settings The Mixture Control Valve This meters fuel flow at part throttle and idling speeds to ensure reliable operation as the throttle is opene...

Страница 8: ...of more than 40mm dia Ream the propeller shaft hole to 9 7mm bore with an appropriate reamer checking that the hole is exactly centered Install the prop to the engine shaft followed by the retaining washer and prop nut and tighten firmly with a 17mm wrench not supplied 2 15 3 Add the special tapered and slotted locknut and secure with a 14mm wrench while holding the prop nut with the 17mm wrench n...

Страница 9: ...glowplug leads are extended together as a single cable use heavier wire e g cross section area of 2 0mm multi strand copper core as supplied for earth lead Earth ground lead Fasten to the motor mount FUEL AND LUBRICATION Fuel Suitable fuel for this engine is a methanol based fuel containing 5 8 nitromethane and 8 10 lubricant It is suggested to dilute commercially available 15 nitromethane and 18 ...

Страница 10: ...e tubing Drain Plug Breather Nipple 19 STARTING Precautions For safety please observe the following instructions before starting the engine Start the engine by turning the propeller counter clockwise i e normal running direction Do not start the engine with the throttle fully opened otherwise the model will tend to move forward suddently due to the strong thrust of the propeller Hold both wings of...

Страница 11: ...ary to arrive at the optimum setting Practical best optimum needle valve setting Approx 45 90 Maximum rpm setting Lean Rich needle valbe setting when starting the engine Rpm starts to decrease Close the needle valve gradually and slowly Engine stops With a propeller which the engine turns approx 6 000rpm with full throttle one misfiring cylinder will drop approx 500rpm and two misfiring cylinders ...

Страница 12: ...TTLE VALVE ADJUSTMENT Needle valve adjustment Adjust the needle valve following the instructions given in STARTING section Mixture control valve adjustment The carburetor of your enigine has been factory set for the approximate best result with the fuel tank located in the normal position i e close to the back of the engine and where the level of the needle valve is at 1 3 height of the tank refer...

Страница 13: ...l be necessary to turn the Mixture Control Valve counter clockwise approximately 1 12 turn 30 Thirdly if the rpm increase but the engine appears to run with reduced power it is probable that one of the cylinders has ceased firing You may detect this by the difference in exhaust note and rpm compared with previous full throttle running The cutting out of the cylinder may be caused by the idle speed...

Страница 14: ...tromethane in the fuel can also contribute to the problem Care and Maintenance Sound at full throttle changes when one or two cylinders are not firing With a propeller which the engine runs approx 6 000rpm with full throttle one misfiring cylinder will drop approx 500rpm and two misfiring cylinders will drop approx 1 000rpm 27 Do not close the needle valve and mixture control valve too far as this...

Страница 15: ... gap exceeds 0 1mm but is not more than 0 14mm i e the thickness of both feeler gauges inserted together it is not necessary to readjust the clearance if the engine runs satisfactorily Fig 1 If a clearance is found to be outside either of these limits it should be reset as follows 0 0 4 m m 29 Carefully loosen the locknut on rocker arm 1 4 1 2 turn with 5mm wrench Fig 2 1 Loosen approx 1 4 to 1 2 ...

Страница 16: ...00 47101700 47181140 47181000 71912110 71912100 71615009 46471000 72200060 72200200 72200170 72200171 72200190 72200180 47181210 72200080 71912150 79870050 79871525 Description Code No No Description Code No No Rocker Cover Rocker Arm Tappet Adjusting Screw Rocker Arm Thrust Washer 2pcs Rocker Arm Shaft Cylinder Head W Valve Assembly Cylinder Head Valve 1pc Valve Spring 1pc Valve Spring Retainer 1...

Страница 17: ...rburetor Retaining Screw 2pcs 1 2 2 1 3 4 5 6 7 7 1 7 2 8 9 9 1 10 47181970 27381940 26711305 47181100 22681953 46115000 45581820 47181600 46066319 24881824 47181200 22081408 22081313 45581700 N M3x6 S M3x3 1 2 3 4 5 6 7 8 9 9 1 N M3x22 2 1 7 1 7 2 10 33 46210300 71531000 72403050 79870050 55500004 71521000 71531010 COLLECTOR EXHAUST PIPE NON BUBBLE WEIGHT SUPER FILTER L LONG SOCKET WRENCH WITH PL...

Страница 18: ...2 UNF3 8 24 9 95 cc x 7 0 607 cu in x 7 24 0 mm 0 945 in 22 0 mm 0 866 in 1 500 7 000r p m 3 167 g 111 71 oz C Copyright 2010 by O S Engines Mfg Co Ltd All rights reserved Printed in Japan 60092360 081002 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 ...

Результаты поиска

Содержание FR7-420

Отзывы:

Похожие инструкции для FR7-420

Бренды по названию

Популярные бренды

O.S. engine FR7-420, Руководство пользователя

Результаты поиска

Содержание FR7-420

Отзывы:

Похожие инструкции для FR7-420

Бренды по названию

Популярные бренды