1. Manuals
  2. Brands
  3. O.S. engine Manuals
  4. Engine
  5. fs-70II
  6. Owner's instruction manual

O.S. engine fs-70II Owner's Instruction Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

It is of vital importance, before attempting to
operate your engine,
'SAFETY INSTRUCTIONS AND WARNINGS'
section on pages 2-4 of this booklet and to
strictly adhere to the advice contained therein.
•
Also, please study the entire contents of this
instruction manual, so as to familiarize
yourself with the controls and other features of
the engine.
•
Keep these instructions in a safe place so that
you may readily refer to them whenever
necessary.
•
It is suggested that any instructions supplied
with the aircraft, radio control equipment, etc.,
are accessible for checking at the same time.
CONTENTS
INTRODUCTION, INSTALLING THE GLOWPLUG
GLOWPLUGS, FUEL
to read the general
2-4
5
6
7
8
8-9
9-10
11-12
12
ENGINE EXPLODED VIEWS &
ENGINE PARTS LISTS
ENGINE THREE VIEW DRAWINGS
1
13
13-14
15
15-17
17-18
19
20-25
26-27
28-30

Advertisement

Table of Contents
loading

Related Manuals for O.S. engine fs-70II

Summary of Contents for O.S. engine fs-70II

  • Page 1: Table Of Contents

    It is suggested that any instructions supplied with the aircraft, radio control equipment, etc., are accessible for checking at the same time. CONTENTS SAFETY INSTRUCTIONS AND STARTING WARNINGS ABOUT YOUR O.S. ENGINE RUNNING-IN 13-14 INTRODUCTION, INSTALLING THE GLOWPLUG IDLE MIXTURE ADJUSTMENT RELOCATION OF CARBURETTOR CONTROLS...

  • Page 2: Safety Instructions And Warnings About Your O.s. Engine

    600 feet(180 metres) per second, it will be understood all times. that such a failure could result in serious injury, (see 'NOTES' If at some future date, your O.S. engine is acquired by section relating to propeller safety). another person, we would respectfully request that these instructions are also passed on to its new owner.
  • Page 3 NOTES Take care that the glow plug clip or battery leads do not come into contact with the propeller. Also check the linkage to the throttle arm. A disconnected linkage could also foul the propeller. After starting the engine, carry out any needle-valve readjustments from a safe position behind the rotating propeller.

  • Page 4: Relocation Of Carburettor Controls

    RELOCATION OF CARBURETTOR CONTROLS As supplied, the FS-70SⅡ, FS-91SⅡ and FS-91SⅡ-P have their throttle lever on the right hand side and needle-valve control on the left. However, where more convenient for certain installations, Intake Pipe these positions may be reversed after rotating the carburettor Mounting Screw through 180˚...

  • Page 5: Exhaust Header Pipe And Silencer

    NEEDLE-VALVE EXTENSION EXHAUST HEADER PIPE & SILENCER Install these in the following sequence. The needle-valve supplied with this engine is designed to Screw the header pipe into the cylinder head until it " bottoms accept an extension so that, when the engine is enclosed in a ", then unscrew sufficiently to achieve the desired exhaust cowling, the needle-valve may be adjusted from the outside.

  • Page 6: Propellers

    • NEVER disassemble the fuel pump or pressure regulator. PROPELLERS Their original performance may not be restored after reassembly. The choice of propeller depends on the design and weight of • the aircraft and on the type of flying in which you will be DO NOT obstruct the small rectangular hole in the side of engaged.

  • Page 7: Propeller And Spinner Attachment

    Add the special tapered and slotted locknut and secure Reminders: with a 12mm wrench while holding the prop nut with the AII model engine fuel is poisonous.Do not allow it to come into contact with the eyes or mouth. Always store it 14mm wrench.

  • Page 8: Idle Mixture Adjustment

    Start and adjust the engine as detailed in the starting With each successive flight, close the needle-valve very instructions. slightly until, at the end of about 10 flights, the needle is set for full power. Do not "over-lean" the mixture in an attempt Now open the throttle fully and run the engine for no more to extract more power.

  • Page 9: Care And Maintenance

    Note: If a clearance is found to be outside either of these limits, Valve clearances of all O.S. four-stroke-cycle engines it should be reset as follows. must be checked and reset ONLY WHEN THE ENGINE IS Carefully loosen the locknut Loosen approx.

  • Page 10: O.s. Genuine Parts & Accessories

    Do not leave unused fuel in the engine at the conclusion of a CARE & MAINTENANCE (laying up) day's flying. Accepted practice is to cut off the fuel supply while the engine is still running - at full throttle - then, expel The fuel pump assembly, carburettor/pressure-regulator and as much fuel residue as possible by turning the engine over silicone tubing must be cleansed separately in methanol or...
  • Page 11 Code No. Description Code No. Description 45913000 44007010 Screw Set Cover Plate 44002020 45904210 Rocker Cover Crankshaft 45961400 45630000 Rocker Support Assembly Crankshaft Ball Bearing (R) 44001010 45961410 Crankcase Rocker Support 45761600 45771000 Rocker Arm Retainer (2pc./1pair) Breather Nipple (No.5) 45361000 45231100 Rocker Arm Assembly (1pair)
  • Page 12 Description Code No. Description Code No. 45913000 Screw Set 45902010 Crankshaft 45904210 45530030 Rocker Cover Crankshaft Ball Bearing (R) 45914010 Gasket Set 45961400 Rocker Support Assembly 45901010 Crankcase 45961410 Rocker Support 45761600 Breather Nipple (No.5) Rocker Arm Retainer (2pc./1pair) 45771000 45231100 45361000 Camshaft Ball Bearing (1pc.)
  • Page 13 Code No. Description Code No. Description 45913000 45907010 Screw Set Cover Plate 45904210 45902010 Rocker Cover Crankshaft 45961400 Rocker Support Assembly 45530030 Crankshaft Ball Bearing (R) 45961410 45914010 Rocker Support Gasket Set 45761600 Rocker Arm Retainer (2pc./1pair) 45901010 Crankcase 45361000 45771000 Rocker Arm Assembly (1pair) Breather Nipple (No.5)

  • Page 14: Carburettor Exploded Views & Parts List

    CARBURETTOR EXPLODED VIEWS & PARTS LIST S.3x3 S.3x3 N.+M3x22 N.+M3x22 N.+M3x6 N.+M3x6 Type of screw ＊ C...Cap Screw M...Oval Fillister-Head Screw F...Flat Head Screw N...Round Head Screw S...Set Screw Code No. Description Code No. Description 45984900 Needle Valve Assembly 45984900 Needle Valve Assembly 24081970 Needle Assembly...

  • Page 15: Three View Drawing

    THREE VIEW DRAWING FS-70SⅡ Specifications Displacement 11.50cc/0.702cu.in. ■ ■ Bore 25.8mm/1.016in. ■ Stroke 22.0mm/0.866in. ■ PracticalR.P.M. 2.000∼12.000r.p.m. ■ Output 1.1bhp/11.000r.p.m. ■ Weight 580g/20.4oz. 55.8 UNF5/16-24 66.3 44.7 39.6 Dimensions(mm) 6-15 3-Chome Imagawa Higashisumiyoshi-ku Osaka 546-0003, Japan TEL. (06) 6702-0225 FAX. (06) 6704-2722 URL : http://www.os-engines.co.jp Copyright 2000 by O.S.Engines Mfg.

This manual is also suitable for:

Fs-91ii-p91sii

Table of Contents