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O.S. engine fs-70II, Owner'S Instruction Manual, Page: 11 / 15

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O.S. engine fs-70II Owner'S Instruction Manual Download Page 11

20

C.M2.6x12

C.M3.5x20

C.M3.5x8

C.M2.6x8

C.M2.6x8

N.+M3x22

(C.M3.5x15

)

2

3-2 3-1

3

4

4-1

4-2

6-4 6-3 6-2

6

6-1

7

5-4 5-3 5-2

5

8

5-1

11

12

13

14

15

1

9

9-1

9-2

10

17

18

30-1

19

16

25

26

26-2

26-1

26-2

27

31

29

28

24

22

23

22

21

20

30

Type of screw 

C...Cap Screw  M...Oval Fillister-Head Screw

F...Flat Head Screw  N...Round Head Screw  S...Set Screw

21

1
2
3

3-1
3-2

4

4-1
4-2

5

5-1
5-2
5-3
5-4

6

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

7
8
9

9-1
9-2

10
11
12
13
14
15
16

17
18
19
20
21
22
23
24
25
26

26-1
26-2

27
28
29
30

30-1

31

29008219

44008000

46120000

26731002

45564000

24881824

44066110

44066100

44066000

45962010

45231100

45771000

44001010

45630000

44002020

44007010

44003100

45605000

44006000

44003200

44003400

44082000

45771000

44068100

44068000

44004010

44004110

45960400

45960310

45960210

45960110

45960011

45960400

45960310

45960210

45960100

45960001

45061202

45361100

45361000

45761600

45961410

45961400

45904210

45913000

71615009

45926000

45925100

45925010

45910100

44014010

44001100

Cam Cover

Camshaft

Camshaft Ball Bearing (1pc.)

Breather Nipple (No.5)

Crankcase

Crankshaft Ball Bearing (R)

Crankshaft

Cover Plate

Cylinder Liner

Connecting Rod

Piston Pin

Piston

Piston Ring

Carburetor Complete (Type 60R)

Breather Nipple (No.5)

Intake Pipe

Intake Pipe Assembly

Cylinder Head (w/valve Assembly)

Cylinder Head (w/Gasket)

Split Cotter (2pc./1pair)

Valve Spring Retainer (1pc.)

Valve Spring (1pc.)

Exhaust Valve (1pc.)

Exhaust Valve Assembly (1pair)

Split Cotter (2pc./1pair)

Valve Spring Retainer (1pc.)

Valve Spring (1pc.)

Intake Valve (1pc.)

Intake Valve Assembly (1pair)

Tappet Adjusting Screw

Rocker Arm (1pc.)

Rocker Arm Assembly (1pair)

Rocker Arm Retainer (2pc./1pair)

Rocker Support

Rocker Support Assembly

Rocker Cover

Screw Set

Head Gasket

Woodruff Key

Drive Hub

Thrust Washer

Crankshaft Ball Bearing (F)

Cam Follower (2pcs.)

Push Rod Cover "O" Ring (2pcs.)

Push Rod Cover (1pc.)

Push Rod Cover Assembly (2pcs.)

Push Rod (2pcs.)

Glow Plug Type F

Exhaust Header Pipe Assembly

Silencer Body

Silencer (F-4020)

Locknut Set

Description

Code No.

No.

The specifications are subject to alteration for improvement without notice.

Description

Code No.

No.

Summary of Contents for fs-70II

Page 1: ...ontrol equipment etc are accessible for checking at the same time 1 2 4 5 6 7 8 8 9 9 10 11 12 12 15 15 17 17 18 19 20 25 26 27 28 30 13 14 SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE INTRO...

Page 2: ...y 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 The advice which follows is grouped under tw...

Page 3: ...lly flipped over compression WITHOUT the glowplug battery being reconnected Remember this if you wish to avoid the risk of a painfully rapped knuckle NOTES 5 The O S FS 70S FS 91S and FS 91S P are bui...

Page 4: ...12 13 minutes flying time dependent upon the type of fuel used the size of the propeller and on the proportion of full throttle to part throttle operation through the flight Make sure that the tank i...

Page 5: ...ith the header pipe or silencer may result in a serious burn If you need to tighten the silencer joints which may loosen when they are hot use a thick folded cloth for protection FUEL LINES For fuel l...

Page 6: ...d on a methanol based fuel containing not less than 18 castor oil or a top quality synthetic lubricant or a mixture of both plus a small percentage 5 15 of nitromethane for improved flexibility and po...

Page 7: ...der automatically Starting procedure is as follows Check that the current to the glowplug is switched off Check that the polarity of the starter battery leads rotates the engine counter clockwise when...

Page 8: ...y cause the engine to stall Therefore at this time the aircraft should as far as is possible be flown at an altitude sufficient to enable an emergency landing to be safely made if the engine stops 9 1...

Page 9: ...te prop through two revolutions and recheck gap 5 If clearance is correct loosen the locknut on the other rocker arm and repeat steps 1 to 5 above Finally replace rocker box cover 6 Remember Excessive...

Page 10: ...ng must be cleansed separately in methanol or glow fuel On no account must they come into contact with kerosene Before completely reassembling the engine make sure that no kerosene remains inside that...

Page 11: ...25010 45910100 44014010 44001100 Cam Cover Camshaft Camshaft Ball Bearing 1pc Breather Nipple No 5 Crankcase Crankshaft Ball Bearing R Crankshaft Cover Plate Cylinder Liner Connecting Rod Piston Pin P...

Page 12: ...0 45925010 45910100 45903200 Description Code No No The specifications are subject to alteration for improvement without notice Description Code No No Cam Cover Camshaft Camshaft Ball Bearing 1pc Brea...

Page 13: ...45231100 45771000 45901010 45914010 45530030 45902010 45907010 72508001 46103100 45605000 45906000 71615009 45926000 45925100 45925010 45910100 Cam Cover Camshaft Camshaft Ball Bearing 1pc Breather Ni...

Page 14: ...081970 45984900 1 1 1 1 2 1 3 1 4 1 5 2 3 4 5 5 1 5 2 6 7 8 9 Description Code No No Needle Valve Assembly Needle Assembly O Ring 2pcs Set Screw Needle Valve Holder Assembly Ratchet Spring Carburetor...

Page 15: ...troke PracticalR P M Output Weight Specifications THREE VIEW DRAWING C Copyright 2000 by O S Engines Mfg Co Ltd All rights reserved Printed in Japan TEL 06 6702 0225 FAX 06 6704 2722 6 15 3 Chome Imag...

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