Subaru Robin Power Products EY20V, EY15V manual

Page 25

5 -4-3 CONNECTING ROD

1) Turn thecrankshaft to the bottom deadcenter, lightlyhammer thepistonhead until the con- necting rod contacts the crankpin, and assemble.

2) When reassembling theconnectingrodcap,

match the alignment projection markon the rod. (See Fig. 26.)

Note: Use new lock washers, and bend the tabs
securely.
Note: After reassembly, confirmthatthe con-
necting rod moves lightly.
Note: Connecting rod cap tightening torque:
E Y I S V	90	- 115 kg-cm	1
E Y20V	170	- 200 kg-cm

Note: For the piston, piston ring and rod clear- ance, see Fig. 22.

5 - 4 - 4 TAPPET and CAMSHAFT

Insert the tappetsback into their holes first, and then mount the camshaft.

Note: Align the timing markat the rootofatooth of the cam gear with the one on the crank gear. lf the valve timing is wrong, the enginecan- not operate properly or at all. (See Fig. 27.)

Note: If the intake valve and exhaust valve were as-

sembled contrarily each other,the tappet clearance cannot bekept correctly.

Timing

1

Fig. 26

Mark

I

Fig. 27

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Image 25

Contents Page Wisconsin Robin Side ValveContents Basic Theory ofT .I.C Model SPEC1FICATIONSContinuous Rated Output PerformanceFeatures Crankshaft CYLINDER,CRANKCASECamshaft Connecting ROD and Piston6VALVEARRANGEMENT Cooling CylinderheadLubrication 112CARBURETOR 111IGNITIONModel EY15V Sectional View of EngineAir Cleaner Muffler Cover Model EY20V Model EY20V Special Tools Preparations and SuggestionsApplicalbeShape Model Order 3HOW to DisassembleTool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures ~Sequesnceand precautionsin reassembling Precaution in reassemblingMOW to Reassemble CrankshaftEY15V Eyzov Dimensions of Crankshaft PinPeriphery.I Y20 5 Mainbearing Cover Valve and Valve Guide Clearance 6INTAKE and Exhaust Valves7TAPPET Adjustment Kg-cm ’ 5-4-8CYLINDER HeadIntake Manifold 1FUEL Tank Bracket1 7 Recoil Starter 14AIRCLEANERTo 6-3TIMING Adjustment BreakerpointadjustmentMagneto MagnetoTiming Adjustment See Figs ,43 Spark Testing MagnetotroubleshootingSolidstate Ignition C. TransistorignitioncircuitPoint where the governorspring is to be hooked GovernoradjustmentDiscrimination accordingto the dimensions Page 1 Float System Carburetor2 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- 1-2 Compression System 11- 1 Starting Difficulties11-2ENGINGEMIFIRES 11- 1-3ELECTRICAL System11-3ENGINE Stops 11- 4 Engine OverheatsEnginebackfires through Carburetor EngineknocksPower Transmission to Drivenmachines InstallationVENT1LATION Exhaust GasdischargeBreaker Point Ignition Type WiringSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Every 20 Hours Checks and Maintenance Daily 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