O.S. engine FS-120S-E Owner'S Instruction Manual Download | Manualshive

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20

EXPLODED VIEW

Type of screw

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

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

1

2

3

3-2

3-1

4

4-1

4-2

5

5-4 5-3 5-2

8

5-1

6-4

6-3

6-2

6

6-1 7

9

10

11

12

13

14

15

16

17

21

27

28

28-2

28-1

28-2 29

18

19

20

22

23

32-1

32

33

31

30

24

26

25

24

C.M3X8

C.M4.0X10

C.M2.6X15

C.M3.5X20

C.M2.6X7

(C

.M3.5X12)

21

PARTS LIST

The specifications are subject to alteration for improvement without notice.

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

10
11
12
13
14
15
16
17
18 45507010

45503100

45505010

29017004

45506010

45503210

45503400

45484000

45581000

45569420

45504021

45504111

45560410

45560310

45560220

45560140

45560040

45560410

45560310

45560210

45560130

45560030

45061202

45561110

45561010

45761600

45561410

45561401

45504210

45513010

45566000

45501110

45562010

45231100

22681953

45501020

45514010

45530010

45502040

45510100

45508200

45508030

45520000

29031009

45564000

45566310

45566111

45566101

19
20
21
22
23
24
25
26
27
28

28-1
28-2

29
30
31
32

32-1

33

71615009

45526400

45526300

45526200

45526100

45526010

45525011

45525001

Description

Code No.

No.

Description

Code No.

No.

Screw Set
Rocker Cover
Rocker Support Assembly
Rocker Support
Rocker Arm Retainer(2pcs.)
Rocker Arm Assembly(1pair)
Rocker Arm(1pc.)
Tappet Adjusting Screw
Intake Valve Assembly(1pair)
Intake Valve(1pc.)
Valve Spring(1pc.)
Valve Spring Retainer(1pc.)
Split Cotter(2ps./1pair)
Exhaust Valve Assembly(1pair)
Exhaust Valve(1pc.)
Valve Spring(1pc.)
Valve Spring Retainer(1pc.)
Split Cotter(2ps./1pair)
Cylinder Head
Cylinder Head (W/Gasket and Valve Assembly)
Intake Pipe Assembly
Carburetor Complete
Choke Valve Assembly
Piston Ring
Piston
Piston Pin
Piston Pin Retainer
Connecting Rod
Cylinder Liner
Cover Plate

Crankshaft
Crankshaft Ball Bearing(Rear)
Gasket Set
Crankcase
Breather Nipple
Camshaft Ball Bearing (1pcs.)
Camshaft
Cam Cover
Push Rod(2pcs.)
Push Rod Cover Assembly(2pcs.)
Push Rod Cover(1pcs.)
Push Rod Cover "O" Ring(2pcs.)
Cam Follower(2pcs.)
Crankshaft Ball Bearing(Front)
Thrust Washer
Drive Hub
Woodruff Key
Lock Nut Set
Silencer Assembly
Silencer Body
Exhaust Header Pipe Assembly
Exhaust Header Pipe
Exhaust Joint
Exhaust Joint Nut
Header Pipe Nut
Glow Plug Type F

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Summary of Contents for FS-120S-E

Page 1: ...he aircraft radio control equipment etc are accessible for checking at the same time 1 14 15 SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O S ENGINE INTRODUCTION INSTALLING THE GLOWPLUG BASIC ENGINE PARTS RELOCATION OF CARBURETTOR CONTROLS CHOKE VALVE FUEL TANK INSTALLATION EXHAUST HEADER PIPE AND SILENCER THROTTLE LINKAGE NEEDLE VALVE EXTENSION PROPELLERS PROPELLER AND SPINNER ATTACHMENT FUEL GLOW...

Page 2: ...your engine in an enclosed space Model engines 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 aircra...

Page 3: ...aring 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 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 cas...

Page 4: ...ng time when some part throttle operation is included Locate the fuel tank so that the centre line of the tank is 10 to 15mm below the centre line of the needle valve Make sure that the mounting beams are parallel and that their top surfaces are in the same plane How to fasten the mounting screws Hardwood mounting beams O S radial motor mount cast aluminum Tighten second nut firmly down onto first...

Page 5: ...er joints which may loosen when they are hot use a thick folded cloth for protection 9 The choice of propeller depends on the design and weight of the aircraft and on the type of flying in which you will be engaged Determine the best size and type after practical experimentation As a starting point refer to the props listed in the accompanying table Slightly larger or even slightly smaller props t...

Page 6: ... Use a good quality well balanced spinner enclosing the propeller boss Make sure that it is of precision made and sturdy construction so that the spinner shell cannot loosen when the starter is used Make sure the spinner notches do not interfere the propeller If they do cut the notches to clear off 11 GLOWPLUGS The role of the glowplug Glowplug life Particularly in the case of very high performanc...

Page 7: ...being insufficiently charged 1 2 3 4 5 6 Check these conditions and instead of pressing the starter button after applying the starter have the starter spinning before applying it to the engine to give it a running start When the engine starts slowly open the throttle leaving the needle valve at its rich starting setting to promote cool running conditions However if the engine slows down because th...

Page 8: ... to fine tolerances and from the finest quality materials a relatively brief running in period is sufficient and can be completed with the engine installed in the aircraft The recommended procedure is as follows 15 Start the engine open the throttle fully and set the needle valve slightly rich 30 45 from the highest r p m setting Close the throttle to the idle position Allow the engine to idle for...

Page 9: ...eeler gauge 0 04mm Valve clearances are correctly set before any O S engine leaves the factory and in normal use will seldom require abjustment However if after a very considerable amount of running time has been amassed a loss of power is detected or if the engine has been disassembled for repair these clearances should be checked and reset as necessary For this purpose a valve adjusting kit comp...

Page 10: ...il through the plug hole and carburetor intake again rotating the shaft to distribute the protective oil to all working parts Gasoline thinner kerosene and light machine oil cause swelling and deterioration of plastic parts O rings and fuel tubing Use methanol for cleaning these engines Avoid unnecessary dismantling of your engine 3 4 5 6 Do not leave raw fuel in the engine at the conclusion of a ...

Page 11: ...1 28 2 29 30 31 32 32 1 33 71615009 45526400 45526300 45526200 45526100 45526010 45525011 45525001 Description Code No No Description Code No No Screw Set Rocker Cover Rocker Support Assembly Rocker Support Rocker Arm Retainer 2pcs Rocker Arm Assembly 1pair Rocker Arm 1pc Tappet Adjusting Screw Intake Valve Assembly 1pair Intake Valve 1pc Valve Spring 1pc Valve Spring Retainer 1pc Split Cotter 2ps...

Page 12: ...Oval Fillister Head Screw F Flat Head Screw N Round Head Screw S Set Screw Description Code No No Needle Valve Assembly Needle O Ring 2pcs Set Screw Needle Valve Holder Assembly Ratchet Spring Carburetor Body Rotor Guide Screw Fuel Inlet Mixture Control Valve Assembly Carburetor Retaining Screw 2pcs Throttle Lever Assembly Set Screw Carburetor Rotor O Ring 2pcs Rotor Spring Carburetor Rubber Gaske...

Page 13: ...served Printed in Japan 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 U N E Q U A LLED QUALITY PRECISION PERFOR M A N C E E S T A BLISHING THE STANDARDS OF EXCELLE N C E 60090510 061103 ...

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