Os-engines FL-70 Bedienungsanleitung

It is of vital importance, before attempting to operate your engine, to read the general 'SAFETY INSTRUCTIONS AND WARNINGS' section on pages

18FUEL TANK & LINESMake sure that the tank is well rinsed out with methanol or glow fuel before installation and that the pickup weight is well cl

20Fig. 2 Plumbing suitable for aerobatic flightsNo.1 Nipple (larger hole)No.5 Nipple (smaller hole)RefuelingtubingPlug (commercially available)Fuel S

22PROPELLER & SPINNER ATTACHMENTThere is a risk, particularly with powerful four-stroke engines, of the propeller flying off if the prop nut loose

24The FL-70 is supplied with an O.S. Type F glowplug, specially designed for O.S. four-stroke engines.The role of the glowplugWith a glowplug engine,

26Glow Plug IgniterPliersElement glows when energized.Replace the plug when the element does not glow or is burnt out. WARNINGWhen checking the plug e

28On the contrary, prolonged low speed running may cause the oil in the fuel to congeal, which may result in seizure of the piston and cylinder liner.

30Start the engine.Make sure that the throttle isfully open.Adjust the neede-valve.Close the throttle gradually.Find the idling position.Fix the idlin

32123SymptomFactorCauseCorrective actionRecharge the electric starter battery.Recharge lead-acid cell or replace dry battery. (Note: An unused, or alm

34VALVE ADJUSTINGValve clearances are correctly set before any O.S. engine leaves the factory and, in normal use, will seldom require adjustment. How

36CARE AND MAINTENANCEPlease pay attention to the matters described below to ensure that your engine serves you well in regard to performance, reliabi

2Remember that your engine is not a "toy", but a highly efficient internal-combustion machine whose power is capable of harming you, or othe

38ENGINE EXPLODED VIEWType of screw C...Cap Screw B...Binding Head Screw M...Oval Fillister-Head ScrewF...Flat Head Screw N...Round Head Screw S..

40N.+M3x6B.M2.6x511-12457S.M3X3C.M2.6x735-15-266-16-26-3C.M2.6x10C.M2.6x15Type of screw C...Cap Screw B...Binding Head Screw M...Oval Fillister-Head

(72200080) 42(71615009)(72200130)(72200110)(45810300)(45810100)(45810200 For Spinner)721081007210811072108120721081301111A1111B1111C1111D120240170330O

4411.45 cc (0.698 cu.in.)27.7mm (1.090 in.)19.0mm (0.748 in.)2,300-12,000 r.p.m.1.1ps / 11,000 r.p.m.467g (16.48 oz.)      51.5g (1.8 oz.)(Sil

4NOTESThis engine was designed for model aircraft. Do not attempt to use it for any other purpose.Mount the engine in your model securely, following t

6NOTESAdjust the throttle linkage so that the engine stops when the throttle stick and trim lever on the transmitter are fully retarded. Alternatively

8NOTES WHEN APPLYINGAN ELECTRIC STARTERDo not over-prime. This could cause hydraulic lock and damage the engine on application of the electric starter

10FUELThe FL-70 should be operated on a methanol based fuel containing not less than 20% (volumetric) castor oil, or a top quality synthetic lubricant

1212X7, 12.5X6, 13X612.5X6, 13X6-7The choice of propeller depends on the design and weight of the aircraft and the type of flying in which you will be

14Engine Parts NameRocker CoverGlow PlugLock Nut SetDrive HubPropeller WasherCrankcaseBeam MountCover PlateCarburetorType 60WF-4030 Silencer AssemblyE

16●Make sure that these mounting beams are accurately aligned and firmly integrated with the airframe, reinforcing the adjacent structure to absorb v