Subaru Robin Power Products EY15V, EY20V manual Preparations and Suggestions, Special Tools

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5. DISASSEMBLY and REASSEMBLY

5- 1 PREPARATIONS and SUGGESTIONS

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1 ) Whendisassembling the engine, remember well the locations of individual parts so that they can bereas- sembed correctly. If you are uncertain of identifying some parts, it is suggested that tags be attached to them.

2)Have boxes ready to keep disassembed parts by group.

3)To prevent missing and misplacing, temporarily assemble each group of disassembed parts.

4)Carefully handle disassembed parts, and clean them with washing oil.

5 ) Use the correct tools in the correct way.

5 - 2 SPECIAL TOOLS

For yourreference, thefollowing shows specialtools of Robin Engine for Disassembly, Measuring and Inspec- tion Instruments.

	~
Tool	Use	Applicalbe	Shape
		Model

		EY10,13,14
		EY15, 18, 20
Flywheel Puller	For pulling off	EY 25,27, 33
(with bolt)	Flywheel	EY35,40,44
		EY35,40,44

EC05.07,10

EC17,25.37

EY10,13,14

For mounting and

Valve Spring dismounting Valve EY15,18,20

Retainer SpringRetainer

andRetainer Lock EY25,27,33 EY35,40,44

	Valve Guide	For pulling off	EY13, 14
	Puller	Valve guide

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Contents Page Side Valve Wisconsin RobinContents Basic Theory ofT .I.C SPEC1FICATIONS ModelPerformance Continuous Rated OutputFeatures CYLINDER,CRANKCASE CrankshaftCamshaft Connecting ROD and Piston6VALVEARRANGEMENT Cooling CylinderheadLubrication 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 Precaution in reassembling ~Sequesnceand precautionsin reassemblingMOW to Reassemble 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 StarterBreakerpointadjustment To 6-3TIMING AdjustmentMagneto MagnetoTiming Adjustment See Figs ,43 Magnetotroubleshooting Spark TestingSolidstate Ignition C. TransistorignitioncircuitPoint where the governorspring is to be hooked GovernoradjustmentDiscrimination accordingto the dimensions Page Carburetor 1 Float System2 Pilotsystem Disassembly and Reassembly1 Throttle System Float System BREAK-IN Operation of Reassembledengine IO. Robin Solid State Ignition Engine FeaturesBasic Theory of T.I.C. See Fig 11- 1 Starting Difficulties 11- 1-2 Compression System11- 1-3ELECTRICAL System 11-2ENGINGEMIFIRES11-3ENGINE Stops 11- 4 Engine OverheatsEngineknocks Enginebackfires through CarburetorInstallation Power Transmission to DrivenmachinesVENT1LATION Exhaust GasdischargeBreaker Point Ignition Type WiringSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Daily Checks and Maintenance Every 20 Hours Checks and Maintenance15-3EVERY 50 Hours IO Dayschecks and Maintenance Every 100 200 Hours Monthly Checks and MaintenanceEvery 1000 Hours Yearly Checks and Maintenance Every 500 600 Hours Semiannual Checks and MaintenancePREPARATiON for Longabeyance Page Page Page Page Industrial Engines