111IGNITION, 112CARBURETOR | Subaru Robin Power Products EY20V

4-111IGNITION

The ignition system is a flywheel magneto type with ignition timing set at 23" before TDC. The magneto is
composed of a flywheel and ignition coil. The flywheelserving also as a fan is mounteddirectly on the crank-
e shaft,andthe	ignition coil in the crankcase. (Forfurther	details, ' refer to Sectionthe	Magneto.)

(See Fig. 11 and Fig. 12.)

Fig. 1 1

Fig. 12

4-112CARBURETOR

A horizontal draft carburetor is employed.It has been carefully set after thoroughtests to assure satis- factory start up,acceleration, fuel consumption, out- put performance, etc.

For construction and other details, refer to the Sec-

tiononCarburetorConstruction, Disassembly and Reassembly.

(See Fig. 13.)

Fig. 13

4-93AIR CLEANER

The air cleaner of the standard type engine is an ob- long type using a sponge element.

(See Fig. 14.)

/	Cleaner Element
Cleaner Case	Cleaner Cover
	Fig. 14

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Image 11

Subaru Robin Power Products EY20V, EY15V manual 111IGNITION, 112CARBURETOR

Contents

Page Wisconsin Robin Side Valve Contents Basic Theory ofT .I.C Model SPEC1FICATIONS Continuous Rated Output Performance Features Crankshaft CYLINDER,CRANKCASE 6VALVEARRANGEMENT Connecting ROD and PistonCamshaft Lubrication CylinderheadCooling 112CARBURETOR 111IGNITION Model EY15V Sectional View of Engine Air Cleaner Muffler Cover Model EY20V Model EY20V Special Tools Preparations and Suggestions ApplicalbeShape Model Order 3HOW to Disassemble Tool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures Crankshaft Precaution in reassembling~Sequesnceand precautionsin reassembling MOW to Reassemble EY15V Eyzov Dimensions of Crankshaft Pin Periphery.I Y20 5 Mainbearing Cover Valve and Valve Guide Clearance 6INTAKE and Exhaust Valves 7TAPPET Adjustment Kg-cm ’ 5-4-8CYLINDER Head Intake Manifold 1FUEL Tank Bracket 1 7 Recoil Starter 14AIRCLEANER Magneto BreakerpointadjustmentTo 6-3TIMING Adjustment Magneto Timing Adjustment See Figs ,43 C. Transistorignitioncircuit MagnetotroubleshootingSpark Testing Solidstate Ignition Discrimination accordingto the dimensions GovernoradjustmentPoint where the governorspring is to be hooked Page 1 Float System Carburetor 1 Throttle System Disassembly and Reassembly2 Pilotsystem Float System BREAK-IN Operation of Reassembledengine Basic Theory of T.I.C. See Fig FeaturesIO. Robin Solid State Ignition Engine 11- 1-2 Compression System 11- 1 Starting Difficulties 11- 4 Engine Overheats 11- 1-3ELECTRICAL System11-2ENGINGEMIFIRES 11-3ENGINE Stops Enginebackfires through Carburetor Engineknocks Exhaust Gasdischarge InstallationPower Transmission to Drivenmachines VENT1LATION Solid State Ignition Type WiringBreaker Point Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Every 100 200 Hours Monthly Checks and Maintenance Daily Checks and MaintenanceEvery 20 Hours Checks and Maintenance 15-3EVERY 50 Hours IO Dayschecks and Maintenance PREPARATiON for Longabeyance Every 500 600 Hours Semiannual Checks and MaintenanceEvery 1000 Hours Yearly Checks and Maintenance Page Page Page Page Industrial Engines