Subaru Robin Power Products EY15V, EY20V Every 500 600 Hours Semiannual Checks and Maintenance

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15-5 EVERY 500 - 600 HOURS (SEMIANNUAL) CHECKS and MAINTENANCE

I	maintenanceandChecks	‘IthemrequiringforReasons	I
	Remove cylinder head and remove carbon	The engine will be out of order.
	deposit.
	Disassemble and clean carburetor.

15-6 EVERY 1000 HOURS (YEARLY) CHECKS and MAINTENANCE

I	Checks and maintenance	Reasons for requiring them	I
I	Performoverhauls,clean, correct or replace parts. 1	The engine outputdropsandbecomeoutoforder.	I
	Change piston rings.

Replace fuel pipe once a year.

To prevent from danger caused by the fuel leakage.

15-7 PREPARATiON for LONGABEYANCE

1)Perform the above 15-1and 15-2 maintenance jobs.

2)Drain fuel from the fuel tank and carburetor float chamber.

3)To prevent rust in the cylinder bore, apply oil through the spark plug hole and turn the crankshaft several

turns by hand. Reinstall the plug.

,”

4). Turn the startingpulley by hand and leave it where the resistance is the heaviest. 5 ) Clean the engine outside with oiled cloth.

6)Put a vinyl or other cover over the engine and store the engine in dry place.

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Contents Page Side Valve Wisconsin RobinContents Basic Theory ofT .I.C SPEC1FICATIONS ModelPerformance Continuous Rated OutputFeatures CYLINDER,CRANKCASE CrankshaftConnecting ROD and Piston Camshaft6VALVEARRANGEMENT Cylinderhead CoolingLubrication 111IGNITION 112CARBURETORSectional View of Engine Model EY15VAir Cleaner Muffler Cover Model EY20V Model EY20V Preparations and Suggestions Special ToolsApplicalbeShape Model 3HOW to Disassemble OrderTool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures MOW to Reassemble Precaution in reassembling~Sequesnceand precautionsin reassembling CrankshaftDimensions of Crankshaft Pin EY15V EyzovPeriphery.I Y20 5 Mainbearing Cover 6INTAKE and Exhaust Valves Valve and Valve Guide Clearance7TAPPET Adjustment ’ 5-4-8CYLINDER Head Kg-cm1FUEL Tank Bracket Intake Manifold14AIRCLEANER 1 7 Recoil StarterMagneto BreakerpointadjustmentTo 6-3TIMING Adjustment MagnetoTiming Adjustment See Figs ,43 Solidstate Ignition MagnetotroubleshootingSpark Testing C. TransistorignitioncircuitGovernoradjustment Point where the governorspring is to be hookedDiscrimination accordingto the dimensions Page Carburetor 1 Float SystemDisassembly and Reassembly 2 Pilotsystem1 Throttle System Float System BREAK-IN Operation of Reassembledengine Features IO. Robin Solid State Ignition EngineBasic Theory of T.I.C. See Fig 11- 1 Starting Difficulties 11- 1-2 Compression System11-3ENGINE Stops 11- 1-3ELECTRICAL System11-2ENGINGEMIFIRES 11- 4 Engine OverheatsEngineknocks Enginebackfires through CarburetorVENT1LATION InstallationPower Transmission to Drivenmachines Exhaust GasdischargeWiring Breaker Point Ignition TypeSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 15-3EVERY 50 Hours IO Dayschecks and Maintenance Daily Checks and MaintenanceEvery 20 Hours Checks and Maintenance Every 100 200 Hours Monthly Checks and MaintenanceEvery 500 600 Hours Semiannual Checks and Maintenance Every 1000 Hours Yearly Checks and MaintenancePREPARATiON for Longabeyance Page Page Page Page Industrial Engines