O.S. engine Sirius 7 Скачать руководство пользователя страница 5

8

Rocker Cover

Cylinder Head

Exhaust Pipe

Intake Pipe

Back Plate

Carburetor Type 80T

9

Needle-valve extension

It  is  essential  that  the  firewall  is  strong  and  rigid  (e.g.  at 
least 15mm thick) and firmly integrated with the structure of 
the aircraft.

INSTALLATION

M5 Blind nut

Firewall

M5x25 screw

5 Lock washer

At least 15mm (0.6")
rigid hard wood

It is suggested to install the engine upright.

Set-screw

Knob

Cable

It  is  suggested  to  use  Lock  Washers  (available  as  an 
optional  extra)  with  engine  installing  screws  or  apply 
LOCTITE to the screws to prevent them from 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,  insert  it  into  needle's  center  hole  and  secure  it  by 
tightening  the  set-screw  in  the  needle-valve  knob  with 
1.5mm Allen key.

Needle Valve Extension Cable Set

Center mark

122mm (4-13/16") dia. circle

Note:
Carburetor  installing  direction  cannot  be  changed  and 
the needle direction cannot be changed. Avoid the place 
near the exhaust pipe when fixing the extension cable.

Содержание Sirius 7

Страница 1: ...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...

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 wi...

Страница 3: ...ntaining 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...

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...

Страница 5: ...oosening 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 Fo...

Страница 6: ...ostly 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 an...

Страница 7: ...et 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 t...

Страница 8: ...f 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 wa...

Страница 9: ...lowplug 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 F...

Страница 10: ...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...

Страница 11: ...ry 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 th...

Страница 12: ...TLE 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 facto...

Страница 13: ...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...

Страница 14: ...romethane 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 00...

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 clear...

Страница 16: ...0 47101700 47181140 47181000 71912110 71912100 71615009 46471000 72200060 72200200 72200170 72200171 72200190 72200180 47181210 72200080 71912150 79870050 79871525 Description Code No No Description C...

Страница 17: ...buretor 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...

Страница 18: ...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 081...

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