EY15V, EY20V - Small Engine Discount

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Section Title Page 7 . GOVERNOR ADJUSTMENT ................................... 31 8 . CARBURETOR ............................................ 33 8 . 1 Operation and Construction ............................... 33 8-2 Disassembly and Reassembly .............................. 34 9 . BRAKE-IN OPERATION of REASSEMBLED ENGINE ................. 36 10 . ROBIN SOLID STATE IGNITION ENGINE ........... 37 10-1 Features ............................................ 37 10-2 Basic Theory of T . I.C. .................................. 37 11 . TROUBLE SHOOTING ....................................... 38 11 . 1 Starting Difficulties ..................................... 38 11 -2 Engine Misfires ........................................ 39 11-3 Enginestops ......................................... 39 11 -4 Engine Overheat ....................................... 39 11 -5 Engine Knocks ........................................ 40 11 -6 Engine Backfires through Carburetor ......................... 40 . 12 . INSTALLATION ........................................... 41 12-1 Installing ............................................ 41 12-2 Ventilation .......................................... 41 12-3 Exhaust Gas Discharge ................................... 41 12-4 Power Transmission to Driven Machines ....................... 41 12-5 Wiring ............................................. 42 13 . CHECKS and CORRECTIONS .................................. 43 14 . TABLE of CORRECTION STANDARDS ........................... 44 15 . MAINTENANCE and STORING ................................. 49 15-1 Daily Checks and Maintenance ............................. 49 15-2 Every 20 Hours Checks and Maintenance ....................... 49 15 -3 Every 50 Hours (1 0 days) Checks and Maintenance ................ 49 15-4 Every100 - 200 Hours (Monthly) Checks and Maintenance .......... 49 15-5 Every 500 - 600 Hours (Semiannual) ChecksandMaintenance ........ 50 15-6 Every 1000 Hours (Yearly) Checks and Maintenance ............... 50 15-7 Preparation for Long Abeyance ............................. 50
~ ~ ~ ~~~~ ~ ~~~ _____ ~~ ~~ ~ ~~ 1. SPEC1 FICATIONS Model EY15V EYPOV I Bore x Stroke (in) 1 63 mm x 46 mm (2.48" x 1.81") I 67 mm x 52 mm (2.64" x 2.05") I Piston Displacement (cu. in) 1 143 cc (8.73 cu. in) 1 .183cc(11.17cu.in) I Compression Ratio I 6.3 t Type Continuous Rated Output (HP/rpm) Max. Output (HPIrpm) Max. Torque (kg-m/rpm) Rotation Cooling System Air-Cooled, 4-Cycle, Verticle Shaft, Single Cylinder Gasoline Engine 2.213,OOO 2.7/3,600 3.5/3,600 0.712,800 I Counter-clockwise facing to P.T.O. shaft Forced Air Cooling Fubrication I Splashing Type I Lubricant I Automobile Oil Class SC I Carburetor I Horizontal Draft, Flat Type Fuel Fuel Consumption Ratio (gr/Hp-h) fuel Feed I Reduction Speed Governor Ignition System Spark Plug Starting System Dry weight (Ibs.) Length (in) I Automobile Gasoline 280 at continuous rated output operation Gravity Type Approx. 1.5 liter (0.4 U.S. gal.) I Ratio - Centrifugal Flyweight Type Flywheel Magneto Type (Solid State Ignition is avilable as option.) (Solid NGK BM4A ~~ 313,000 3.513.600 4.613.600 0.9512.800 Flywheel Magneto Type State lgntion is standard.) Recoil Starter (Rope Type is available, if required.) 12.7 kg (28 Ibs.) 371 mm (14.6") 14.5 kg (31.9 Ibs.) 383 mm ( 15.08") Dimensions Width (in) 305 mm (12.0") 31 1 mm (12.24") Height (in) 344 mm (13.5") 356 mm (14.02") I - - - - - - - - - - - - - - - - - - - - - - - - -L -1 -
Page 2 and 3: ROBIN ROBIN AMERICA, INC. ROBIN TO
Page 6 and 7: 2. PERFORMANCE 2-1 MAXIMUM OUTPUT T
Page 8 and 9: 4. GENERAL DESCRIPTION of ENGINE CO
Page 10 and 11: 4-7 CYLINDER HEAD The cylinder head
Page 12 and 13: 4-14 SECTIONAL VIEW of ENGINE MODEL
Page 14 and 15: ’piston Pin Main Bearing Cover Oi
Page 16 and 17: ~ 5. DISASSEMBLY and REASSEMBLY 5-
Page 18 and 19: ~ ~~ ~ ~~ 5-3 HOW TO DISASSEMBLE *L
Page 20 and 21: Order Procedures Remarks Tool exhau
Page 22 and 23: 5-4 MOW TO REASSEMBLE 0 Precaution
Page 24 and 25: 5-4-2 PISTON and PISTON RING 1) If
Page 26 and 27: ~ 5-4-5 MAIN BEARING COVER Install
Page 28 and 29: 5-4-7 TAPPET ADJUSTMENT Lower the t
Page 30 and 31: After measuring the air gap between
Page 32 and 33: 6. MAGNETO 6-1 MAGNETO The spark fo
Page 34 and 35: 5) Remove the flywheel without turn
Page 36 and 37: 2) With a screwdriver in the groove
Page 38 and 39: 8- 1 -2 PILOT SYSTEM The pilot syst
Page 40 and 41: 9. BREAK-IN OPERATION of REASSEMBLE
Page 42 and 43: The following three conditions must
Page 44 and 45: 11-5 ENGINE KNOCKS. % 2) 1) Low-qua
Page 46 and 47: 12-5 WIRING Wire as shown in the wi
Page 48 and 49: 14. TABLE of CORRECTION STANDARDS I
Page 50 and 51: ~~~ ~ ~ I ENGINE MODEL ITEM 1 Free
Page 52 and 53: ~~ ~ I ITEM I MODEL I FREQUENCY OF
Page 54:
15-5 EVERY 500 - 600 HOURS (SEMIANN
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EY15V, EY20V - Small Engine Discount

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