EY35, EY40 - Small Engine Discount

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4-11 COOLING DEVICE The cooling fan serving also as flywheel cools the cylinder and cylinder head by forced air cooling. An air guide plate and head cover are used to let the cooling air go through. The cooling fan employs curved blades so Types B and D have cooling fan parts special to their own. 4-12 LUBRICATION ". . The rotating and sliding parts are being lubricated by scooping and splashing the oil in the crankcase with the oil scraper attached to the connecting rod. (See Fig. 12.) OIL SCRAPER Fig. 72 4-13 IGNITION DEVICE Models <strong>EY35</strong> and <strong>EY40</strong> have a flywheel magneto type ignition system (Fig. 13) with an ignition timing of 23" before TDC (Top Dead Center). The flywheel (also serving as fan) is fitted onto the crankshaft; and the ignition coil, contact breaker, and charging coil are directly assembled with the crankcase. An S.S.I. electronic system (Fig. 14) is also available in types, including a 1 SO-watt load type. The S.S.I. system, except the 150-watt type, electrically advances the ignition timing. The ignition timing after this advance is 23" before TDC. (See Figs. 13 and 14.) FLYWHEEL POINT COVER IGNITI~N COIL Fig. 13 Fig. 14
4-14 CARBURETOR A horizontal draft carburetor is employed. It has been care- fully set after thorough tests to assure satisfactory start up, acceleration, fuel consumption, output performance etc. For construction and other details, refer to the Section 6. CARBURETOR (Construction, Disassembly blY 1. (See Fig. 15.) and Reassem- L , Fig. 15 4-15 AIR CLEANER Cyclone type semi-wet double element air cleaner is used. (See Fig. 16.) Fig. 16 4-16 DIODE RECTIFIER The engines with an electric starter have a diode rectifier which converts the alternating current generated by the charging coil into a direct current and charges the battery. (See Fig. 17.) Fig. 17 -9-
Page 2 and 3: - ROBIN AMERICA, INC. ROBIN TO WISC
Page 4 and 5: See rion Title Page 6 . CARBURETOR
Page 6 and 7: 2. PERFORMANCE 2-1 MAXIMUM OUTPUT T
Page 8 and 9: 3. FEATURES Small in size, light in
Page 10 and 11: 4-5 CAMSHAFT Models EY3S-B, 3S-BS,
Page 14 and 15: 4-17 SECTIONAL VIEW OF ENGINE / REC
Page 16 and 17: ~ 5. DISASSEMBLY and REASSEMBLY 5-1
Page 18 and 19: I I I I I Order Item Procedures Rem
Page 20 and 21: Order 15 - 16 17 Item Electric devi
Page 22 and 23: 5-4 HOW TO REASSEMBLE 5-4-1 PRECAUT
Page 24 and 25: ~ MATCH 5) Assemble the piston and
Page 26 and 27: .TAPPET CLEARANCE ADJUSTMENT Move t
Page 28 and 29: *SPARK CHECK * Clean the point surf
Page 30 and 31: 6, CARBURETOR SPECIFICATION I EY35
Page 32 and 33: ~ 1 6-2-4 MAIN SYSTEM 1) Remove the
Page 34 and 35: 9. TROUBLE SHOOTING The following t
Page 36 and 37: ENGINE KNOCKS Low-quality gasoline.
Page 38 and 39: 10-5-2 FLEXIBLE COUPLING When using
Page 40 and 41: 10-7 VINYL-INSULATED WIRE Recent en
Page 42 and 43: 12. TABLES OF CORRECTION STANDARDS
Page 44 and 45: ITEM 1 4- .4- 5 Journal OD. Valve s
Page 46 and 47: - ITEM MODEL rpm TOOL REMARKS ,- Mi
Page 48: 13-5 EVER'.' 502 - 600 HOURS (SEMIA

EY35, EY40 - Small Engine Discount

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