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Subaru Robin Power Products EY15V manual MODEL EY20V, Crankshaft

Models: EY20V EY15V

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Page 14

’piston Pin

’piston Pin

Main Bearing Cover

Oil Scraper

Crankshaft

MODEL EY20V

- 10-

Image 14

Subaru Robin Power Products EY15V manual MODEL EY20V, Crankshaft, ’piston Pin Main Bearing Cover Oil Scraper

Contents

Page EY08 ROBIN TO WISCONSIN ROBINROBIN EH15How To Disassemble CONTENTSFEATURES How To Reassemble10-2 Basic Theory ofT .I.C EY15V 1. SPEC1FICATIONSModel EYPOV2-3 MAXIMUM TORQUE and FUEL CONSUMPTION RATIO a t MAXIMUM OUTPUT 2. PERFORMANCE2 - 2 CONTINUOUS RATED OUTPUT 3. FEATURES 4 - 2 MAINBEARINGCOVER 4. GENERAL DESCRIPTION of ENGINECONSTRUCTION4 - 1 CYLINDER,CRANKCASE 4-3 CRANKSHAFT4-6 VALVEARRANGEMENT 4-4 CONNECTING ROD and PISTON4-5 CAMSHAFT Exhaust Valve4-10 LUBRICATION 4-7 CYLINDERHEAD4 - 9 COOLING 4-111 IGNITION 4-112CARBURETOR4-14 SECTIONAL VIEW of ENGINE MODEL EY15V Muffler Cover Air CleanerMODEL EY15V ’piston Pin Main Bearing Cover Oil Scraper MODEL EY20VCrankshaft MODEL EY20V Oil Filler’5 - 2 SPECIAL TOOLS 5. DISASSEMBLY and REASSEMBLY5- 1 PREPARATIONS and SUGGESTIONS Tool ApplicalbeShape ModelOrder 5-3 HOW TO DISASSEMBLEChoke Rod Lock BoltTool Flywheel PullerTool Plastic HammerRemarksTool OrderProceduresProcedures Order Item5 - 4 MOW TO REASSEMBLE 0 Precaution in reassembling~Sequesnceand precautionsin reassembling CONNECTINGPISTON ROD TO 3 Dimensions of Crankshaft PinCONNECTING ROD TO CRANK EY15V5-4-2 PISTON and PISTON RING E Y20 5 -4-3 CONNECTING ROD5 - 4 - 4 TAPPET and CAMSHAFT E Y I SInstall the main bearing cover to the crankcase 5 - 4 - 5 MAINBEARING COVERVALVE and VALVE GUIDE CLEARANCE 5-4-6 INTAKE and EXHAUST VALVES3O53 EY15VFront should be this side 5-4-7 TAPPET ADJUSTMENTFit t-heoil seal to the valve stem. Only for EY201 kg-cm 5-4-1 FUEL TANK BRACKET 5 -4-1 3 CARBURETOR and ITS RELATIVE PARTS to 6-3TIMING ADJUSTMENT MAGNETO6 -2 BREAKERPOINTADJUSTMENT Fig.41 6-1 MAGNETO6-3 TIMING ADJUSTMENT See Figs. 42,43 and Note Refer tosection 4-11 IGNITION and 4-13 CHECKS and CORRECTIONS6-5 SOLIDSTATE IGNITION 6 - 4 MAGNETOTROUBLESHOOTING“SPARK TESTING T.I.C. TRANSISTORIGNITIONCIRCUITDiscrimination accordingto the dimensions 7. GOVERNORADJUSTMENTThe point where the governorspring is to be hooked l-”4Page 8. CARBURETOR 8- 1- 1 FLOAT SYSTEM8-2-3 PILOT SYSTEM air jet8-2 DISASSEMBLY and REASSEMBLY 8 - 2 - 4 MAIN SYSTEM 8-2-5 FLOAT SYSTEM9. BREAK-IN OPERATION of REASSEMBLEDENGINE I HP10-2 BASIC THEORY of T.I.C. See Fig IO. ROBIN SOLID STATE IGNITION ENGINE10-1 FEATURES 1 1- 1 - 1 FUEL SYSTEM 11- 1 STARTING DIFFICULTIES11- 4 ENGINE OVERHEATS 11-2ENGINGEMIFIRES11-3 ENGINE STOPS 11-5 ENGINEKNOCKS 11-6 ENGINEBACKFIRES through CARBURETOR12-4-1 BELT DRIVE 12. INSTALLATION12-4 POWER TRANSMISSION to DRIVENMACHINES 12-2 VENT1LATIONSOLID STATE IGNITION TYPE 12-5 WIRINGBREAKER POINT IGNITION TYPE Black13. CHECKS and CORRECTIONS EY20 14. TABLE of CORRECTIONSTANDARDSL-l= 0.250.037-0.063 1.o 1.o0.04 0.050.25 0.050.10*0.02 ENGINE MODELUSE LIMIT cc/hr 2.2/3000MODEL 0.56EY15 EY20EY20 5/40015-2 EVERY 20 HOURS CHECKS and MAINTENANCE 15. MAINTENANCE and STORING15-1 DAILY CHECKS and MAINTENANCE 15-3 EVERY 50 HOURS IO DAYSCHECKS and MAINTENANCE15-7 PREPARATiON for LONGABEYANCE 15-5 EVERY 500 - 600 HOURS SEMIANNUAL CHECKS and MAINTENANCE15-6 EVERY 1000 HOURS YEARLY CHECKS and MAINTENANCE Page Page Page Page Industrial Engines