background image

30

1

1-1

1-2

2-1

2

3

4

5

6

6-1

6-2

6-3

6-4

7

8

9

10-2

10-1

10

11

12

13

14

15

16

17-1

17

18

19

20

19-1

21

22

23

24

25

26-1

26

27

28

29

30

32-1

31

32

43

44

45

46

47

48-1

48

49

41

50

C.M2.6x7

C.M3x8

C.M3.5x10

C.M3x14

C.M3x8

C.M2.6x7

C.M2.6x7

C.M3.5x10

C.M2.6x7

C.M2.6x7

C.M3.5x10

C.M3.5x10

C.M3x10

S.M3x3

17-2

33

34

36

35

37

38

39 40

41

42

35

79871020

79871110

79871120
79871145
79871070

M2.6x7

M3x8

M3x10
M3x14
M3.5x10

ENGINE EXPLODED VIEW

Type of screw 

C...Cap Screw  M...Oval Fillister-Head Screw
F...Flat Head Screw  N...Round Head Screw  S...Set Screw

CAP SCREW SETS

(10pcs./sets)

Code No.

Size

Front Housing (4pcs.)  Under Cover (8pcs.)
Intake Manifold A (2pcs.)  Gear Cover (2pcs.)
Intake Manifold B (4pcs.)

Carburetor Retaining Screw (1pc.) 
Idle Gear Retaining Screw (1pc.) 

Rocker Support Retaining Screw (4pcs.) 
Housing Alignment Retaining Screw (2pcs.)  
Front Housing (6pcs.) Rear Housing (8pcs.) 

Pcs. used in an engine

1

1-1
1-2

2

2-1

3
4
5
6

6-1
6-2
6-3
6-4

7

8

9

10

10-1
10-2

11
12
13
14
15
16
17

17-1
17-2

18
19

19-1

20
21
22

23
24
25
26

26-1

27
28
29
30
31
32

32-1

33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

48-1

49
50

45566000
46564000
46210100
46208010
29208200
46231000
46501600
46562100
46031005
46501000
46501500
46514300
26530008
46502100
46514000
46502300
46502200
46030008
46512000
45587180
46513200
45067319
46562000
22631019
46513000
46515000
46501816
46501800
22681953
46513100
46501700
71910100
79870050
71615009
72200071
72200060

46504300
46504310
45061202
46504410
79871120
45461610
45461510
26381501
46160000
46160100
45460200
45060309
46160400
46504110
46504210
46504100
46504200
44014010
45269000
45269100
45069200
44003400
44003200
44006000
46505000
44003100
46503300
46503400
23325340
79872035
46581000
46568300
45515000
46568000
46568100
46568200

31

PARTS LIST

The specifications are subject to alteration for improvement without notice.

Description

Code No.

No.

Description

Code No.

No.

Rocker Arm Assembly (1pair)
    Rocker Arm (1pc.)
    Tappet Adjusting Screw
Rocker Support Assembly
    Rocker Support Retaining Screw (10pcs.)
Rocker Arm Spacer
Rocker Arm Shaft
Rocker Arm Shaft Retaining Screw
Valve Assembly (1pair)
    Valve (1pc.)
    Valve Spring (1pc.)
    Valve Spring Seat (1pc.)
    Valve Spring Retainer (2pcs.)
Cylinder Head 1&3
Cylinder Head 2&4
Cylinder Head 1&3 (W/Valve Assembly)
Cylinder Head 2&4 (W/Valve Assembly)
Head Gasket
Exhaust Pipe Assembly (1pair)
    Exhaust Pipe
    Exhaust Pipe Lock Nut
Piston Ring
Piston
Piston Pin
Connecting Rod Assembly
Cylinder Liner
Cylinder Jacket
Cylinder Holding Volt Set
    Nut (2pcs.)
    Spring Washer (20pcs.)
Carburetor Complete (Type 80P)
Carburetor Extention Pipe
    "O" Ring (1pc.)
Center Manifold Assembly
Intake Manifold A Assembly 
Intake Manifold B Assembly 

Push Rod (2pcs.)
Cam Follower (1pc.)
Lock Nut Set
Drive Hub
    Woodruff Key
Crankshaft Bearing F
Front Housing
Camshaft Bearing Spacer
Camshaft Bearing F
Crankcase
Crankcase Under Cover (1pc.)
    Under Cover Gasket (4pcs.)
Crankshaft Bearing FR
Crankshaft F
Coupling Bearing
Crankshaft Coupling
Crankshaft R
Crankshaft Bearing R
Drive Gear
Drive Gear Key
Idle Gear Washer (2pcs.)
Drive Gear Retaining Screw
Camshaft
Camshaft Bearing R
Idle Gear
Idle Gear Bearing
Rear Housing Assembly Pipe (W/Screw & Nut)
Rear Housing
    Breether Nipple (No.1)
Idle Gear Thrust Washer
Gear Cover
Radial Motor Mount Set
    Blind Nut M5 (10pcs.)
Glow Plug Type F
Booster Cable Set
Valve Adjusting Kit

Содержание IL-300

Страница 1: ... the aircraft radio control equipment etc are accessible for checking at the same time Inline four cylinder overhead valve four stroke cycle 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...

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: ...e ABOUT THE ENGINE STANDARD ACCESSORIES Glow Plug Type F installed on the engine Valve adjusting tool kit 4pcs Exhaust Pipe Assembly Exhaust Pipe Exhaust Pipe Lock Nut Exhaust Gasket Feeler gauge 0 04mm Feeler gauge 0 1mm Hex key 1 5mm Wrench 5mm Booster Cable Set Leads for glow plug with clip Lead for earth ground 4pcs 1pc Radial Motor Mount Set Mount attachment Screws Engine mounting screws M5X2...

Страница 5: ...uggested that one be fabricated as per the illustration NOTE O S does not offer the extension cable as an accessory item Do not use an excessively long unsupported extension as this may vibrate and cause the needle valve setting to vary or even damage the needle valve thread Always provide a suitable support at the outer end It is essential that the firewall is strong and rigid e g at least 15mm t...

Страница 6: ...eze bottle Dirt and fibrous matter mostly accumulate here Dirt and fibrous 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 Locate the fuel tank as close as possible to the carburetor or the fuel level ...

Страница 7: ...e 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 opened and closed ...

Страница 8: ...ed too 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 13 5mm dia Use a propeller that has a hub of more than 40mm dia Ream the propeller shaft hole to 13 5mm bore with an appropriate reamer checking that the hole is exactly centered Install the...

Страница 9: ...ficient capacity Install Ni Cd battery in the fuselage and switch on or off by means of transmitter On board battery 1 2 volt Ni Cd battery with more than 10 Ah capacity 1 A commercially available glowplug heating source will enable you to turn the current on or off by using a transmitter auxiliary channel establishing a more reliable idle 17 If glowplug leads are extended together as a single cab...

Страница 10: ...t escapes through the breather Make a habit of draining out the excess oil in the crankcase at the end of each flying session Leaving contaminated oil in the crankcase for a long time will cause rust Also residual castoroil will tend to solidify and lock the engine Inject corrosion inhibiting oil into the crankcase to neutralize the effects of any remaining contaminants Rear Housing Breather Nippl...

Страница 11: ...battery to the glowplug Electric starter Make sure that the direction or rotation is correct 21 When the engine starts open the throttle valve fully and keep it running initially approx 10 seconds with original needle valve setting 6 Open the throttle fully Make sure that all four cylinders are firing 7 The engine is running properly if white smoke is emitted through all four exhaust pipes A sligh...

Страница 12: ...e throttle lever as well as trim lever on the transmitter are fully pulled down How to stop the engine Pull down the throttle lever and trim lever on the transmitter fully 23 RUNNING IN Breaking in Obtain an 18x12 or 20x8 propeller for running in 1 2 1 Running in on the ground Start the engine Set the needle valve 500 1 000r p m lower than maximum r p m setting and run approx 10 seconds It is sugg...

Страница 13: ...eed for 5 seconds Does the engine stop Apply full throttle Does the engine regain full power immediately OK Re set the idle speed a little higher Set the throttle opening by means of the throttle trim on the transmitter so that the lowest practical speed without risk of the engine stopping is obtained The position where the lowest possible r p m with steady running is obtained Approx 40 open from ...

Страница 14: ... idle speed Make sure that engine is fully warmed up Please pay attention to the matters described below to ensure that your engine serves you well in regard to performance reliability and long life As previously mentioned it is vitally important to avoid operating the engine in conditions where dust disturbed by the propeller may be deposited on the engine and enter its working parts Remember to ...

Страница 15: ...Valve 3 Note If the gap is found to be less than 0 04mm it is not necessary to readjust the clearance if the engine has good compression and starts easily Equally if the 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 ei...

Страница 16: ...6504210 46504100 46504200 44014010 45269000 45269100 45069200 44003400 44003200 44006000 46505000 44003100 46503300 46503400 23325340 79872035 46581000 46568300 45515000 46568000 46568100 46568200 31 PARTS LIST The specifications are subject to alteration for improvement without notice Description Code No No Description Code No No Rocker Arm Assembly 1pair Rocker Arm 1pc Tappet Adjusting Screw Roc...

Страница 17: ...lder Assembly Ratchet Spring Throttle Lever Retaining Screw Throttle Lever Carburetor Rotor Mixture Control Valve Assembly O Ring 2pcs Roter Guide Screw Fuel Inlet Nipple No 1 Carburetor Body Carburetor Rubber Gasket Carburetor Retaining Screw 10pcs 33 72200130 46210300 71531000 72403050 79870050 55500004 71521000 79871010 79871110 79871120 79871145 71531010 79871070 M2 6x7 M3x8 M3x10 M3x14 M3 5x1...

Страница 18: ...t Bore Stroke PracticalR P M Output Weight 43 116 48 6 43 33 76 40 50 90 72 113 78 5 96 80 133 173 40 40 40 113 234 3 40 121 3 43 29 C Copyright 2006 by O S Engines Mfg Co Ltd All rights reserved Printed in Japan 60091870 110803 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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