1. DL manuals
  2. O.S. Engine
  3. Engine
  4. FS-30S
  5. Owner's Instruction Manual

O.S. Engine FS-30S Owner's Instruction Manual

Summary of FS-30S

  • Page 1

    It is of vital importance, before attempting to operate your engine, to read the general 'safety instructions and warnings' section on pages 2-6 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 familia...

  • Page 2: Warnings

    2 remember that your engine is not a "toy", but a highly efficient internal- combustion machine whose power is capable of harming you, or others, if it is misused. As owner, you, alone, are responsible for the safe operation of your engine, so act with discretion and care at all times. If at some fu...

  • Page 3: Notes

    4 notes this engine was designed for model aircraft. Do not attempt to use it for any other purpose. Mount the engine in your model securely, following the manufacturers' recommenda- tions, using appropriate screws and lock- nuts. Be sure to use the silencer (muffler) supplied with the engine. Frequ...

  • Page 4: Notes

    6 notes adjust the throttle linkage so that the engine stops when the throttle stick and trim lever on the transmitter are fully retarded. Alternatively, the engine may be stopped by cutting off the fuel supply. Never try to stop the engine physically. Take care that loose clothing (ties, shirt slee...

  • Page 5

    8 installation how to fasten the mounting screws. Hardwood mounting beams o.S. Radial motor mount (cast aluminum) tighten second nut firmly down onto first nut. Tighten this nut first. Steel washer 3.5mm steel nuts for fs-40s spring washer or lock washer hardwood such as cherry or maple. Spring wash...

  • Page 6

    10 silencer installation for fs-30s and fs-40s screw the exhaust header pipe into the exhaust port until it "bottoms", then unscrew it just sufficiently to achieve the required exhaust outlet angle. Secure the pipe in this position by tightening the locknut firmly against the cylinder head with the ...

  • Page 7

    12 fuel can filter 3 11 silicone tubing this is required for the connection between the fuel tank and engine. 10 fuel can filter install a filter in the outlet line of your refuelling container to prevent entry off oreign matter into the fuel tank. (refer to of starting the engine section.) 9 electr...

  • Page 8

    14 trainer & scale sport & aerobatic glowplug the fs-30s and fs-40s are supplied with an o.S. Type f glowplug, specially designed for o.S. Four- stroke engines. The role of the glowplug with a glowplug engine, ignition is initiated by the application of a 1.5-volt power source. When the battery is d...

  • Page 9

    16 close open 4 opening and closing of the needle-valve turn needle-valve clockwise to close (for leaner mixture). Turn needle-valve counter-clockwise to open (for richer mixture). Starting turn the needle-valve in the direction of arrow slowly, without forcing, until it stops. The position where th...

  • Page 10

    18 check that the throttle is one-third open from the fully closed position. Bring the starter into contact with the spinner nut or spinner and depress the starter switch for one or two seconds. Repeat if necessary. When the engine fires, withdraw the starter immediately. Attention: never place your...

  • Page 11

    20 on starting from cold, with the needle-valve set at the rich starting position: take note of this position of the needle-valve. This will produce the practical best (i.E. Optimum)rpm setting (lower than maximum rpm). A light grey exhaust emission may be observed. Now, re-open needle-valve 20-30 d...

  • Page 12

    22 these engines are equipped with a throttle type car- buretor which provides a wide range of engine speed control. With the throttle lever linked to a suitable servo in the model, movement of the throttle control on the transmitter will enable engine to be varied, proportionally, from idling speed...

  • Page 13

    23 start the engine. Make sure that the throttle is fully open. Adjust the neede-valve. Close the throttle gradually. Find the idling position. Fix the idling position. Open the throttle fully. Does the engine regain full power? Continue running at high speed for 10 seconds. Close the throttle. Run ...

  • Page 14

    25 1 2 3 symptom factor cause corrective action recharge the electric starter battery. Recharge lead-acid cell or replace dry battery. (note: an unused, or almost unused, dry battery may sometimes be of insufficient capacity if it is "old stock".) replace glowplug. Check that applied voltage is not ...

  • Page 15

    27 valve adjusting all o.S. Four-stroke engines have their valve(tappet) clearances correctly set before they leave the factory. However, if, after many hours of running time have been logged, a loss of power is detected, or if the engine has to be disassembled or repaired as a result of an accident...

  • Page 16

    29 3. Fig.4 insert 0.04mm feeler gauge between valve stem and rocker-arm and gently turn adjusting screw clockwise until it stops.(fig.4.) 0.04mm feeler gauge turn with fingers until it stops. Re-tighten locknut while holding adjusting screw stationary. (fig.5.) 4. Hold at the screw head. Fig.5 tigh...

  • Page 17

    31 radial mount set o.S.Glow plug type f propeller locknut set valve adjusting tool kit flexible exhaust pipes super filter (l) non-bubble weight long socket wrench with plug grip (71615009) (71521000) (72200080) o.S. Genuine parts & accessories for fs-30s (71908300) for fs-40s (71906000) for fs-40s...

  • Page 18

    32 (c.M3x10) c.M2.6x12 c.M2.6x7 c.M2.6x7 c.M2.6x18 2 23-2 3 3-1 3-2 4 4-1 4-2 5 5-4 5-3 5-2 5-1 6 7 8 9 1 10 11 12 13 14 15 16 17 16-1 18 19 20 21 22 23-1 23-2 23 24 25 26 27 fs-30s engine exploded view type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head scre...

  • Page 19

    35 45225010 45225000 23210007 23209003 45208010 45231000 45264000 24881824 45266112 45266102 45266010 45201110 45262010 45231100 45201040 22630002 45202010 45771000 45207000 45284000 45203100 23356000 45203210 45204010 45204110 45060402 45060309 45060205 45260110 45260010 45761200 45261110 45261010 ...

  • Page 20

    36 s.M3x3 n.+m3x6 m2.6x5 c.M2.6x7 1 1-1 2 4 5 3 6 6-2 7 6-4 6-3 6-1 type 20n carburetor exploded view & parts list type of screw c...Cap screw m...Oval fillister-head screw f...Flat head screw n...Round head screw s...Set screw specifications are subject to alteration for improvement without notice....

  • Page 21

    38 14 unf1/4-28 36 4- 3.3 71.5 15 37 47 28 75 112 29 44 4.89 cc (0.299 cu.In.) 19.5mm (0.767 in.) 16.4mm (0.648 in.) 2,500-13,000 r.P.M. 0.5ps / 10,000 r.P.M. 279g (9.56 oz.) fs-30s three view drawing dimension(mm) specification displacement bore stroke practical r.P.M. Power output weight 18g (0.6 ...

  • Page 22

    40 memo 080203 tel. (06) 6702-0225 fax. (06) 6704-2722 6-15 3-chome imagawa higashisumiyoshi-ku osaka 546-0003, japan c copyright 2002 by o.S.Engines mfg. Co., ltd. All rights reserved. Printed in japan. Url : http://www.Os-engines.Co.Jp u n eq ua ll ed qua lity precision & per for m an ce es ta bli...