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Robin EY35, Руководство по обслуживанию, Страница: 49 / 51

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Robin EY35 Скачать руководство пользователя страница 49

Содержание EY35

Страница 1: ......

Страница 2: ...H12 EH15 EH17 EH21 EH25 EH30 EH3OV EH34 EH3 4V EH43V EC13V DY23 DY27 DY30 DY35 DY41 WISCONSIN ROBIN Wf 080 W1 145 W1 145V W1 185 W1 185V W1 230 W1 280 W1 340 W1 390 W1 450V EY21W EY44W EY25W EY27W EY1...

Страница 3: ...inder Crankcase 4 Main Bearing Cover 5 Crankshaft 5 Connecting Rod and Piston 5 Camshaft 6 Cylinder Head 6 Valve Arrangement 6 Governor 7 Balancer 7 Decompression Device 7 Cooling Device 8 Lubrication...

Страница 4: ...eat 31 9 5 Engine Knocks 32 9 6 Engine Backfires through Carburetor 32 10 INSTALLATION 33 10 1 Installing 33 10 2 Ventilation 33 10 3 Exhaust Gas Discharge 33 10 4 Fuelsystem 33 10 5 Power Transmissio...

Страница 5: ...1 SPECIFICATIONS w i 1...

Страница 6: ...eveloped by the engine after itsinitial break in period with all the m ovingparts properly worn in when operating witha fully open throttlevalve Therefore a new engine may not develop the maximum outp...

Страница 7: ...PERFORMANCE CURVE MODEL EY40D kg m 2 2 4 4 2 1 4 2 t 10 9 8 7 HP I 6 5 4 3 2 1 0 3...

Страница 8: ...available in various types of output shafts andalso a type Type B with a built in 1 2 reduction gear for application to various kinds ofmachines The engines have two oil drain ports and their recoil...

Страница 9: ...TERING OIL GAUGE Fig 2 Fig 3 4 3 CRANKSHAFT INDUCTION HARDENING PORTION of CRANKPIN The crankshaftis forged of carbon steel andthe crankpinis induction hardened Ithas a crank gear pressure fittedon th...

Страница 10: ...two ends of the shaft serve as plainbearings so no ball bearings are used See Fig 6 4 6 CYLINDER HEAD The cylinder head is an aluminum die casting and forms a Ricardo type combustion chamber withampl...

Страница 11: ...t piston and connecting rod are balanced by the balancer whxh rotates at thesame rate as the crankshaft in opposite direction thereto thusre ducing vibrationdue to unbalanced moments of inertia See Fi...

Страница 12: ...nnecting rod See Fig 12 OIL SCRAPER Fig 72 4 13 IGNITION DEVICE Models EY35 and EY40 have a flywheel magneto type ignition system Fig 13 with an ignition timing of 23 before TDC Top Dead Center The fl...

Страница 13: ...d other details refer to the Section 6 CARBURETOR Construction Disassembly and Reassem blY1 See Fig 15 4 15 AIR CLEANER Cyclone type semi wet double elementair cleaner is used SeeFig 16 4 16 DIODE REC...

Страница 14: ...4 17 SECTIONALVIEW OF ENGINE RECOIL STARTER I OPTION CRANKCASE BALANCER MODEL EY35D 40D 10...

Страница 15: ...FUEL TANK CAP INTAKE EXHAUST VALVE FUEL COCK BALANCER MODEL EY35D 40D 11...

Страница 16: ...rts andclean them with washing oil 5 Use the correct tools in the correct way 5 2 SPECIAL TOOLS For your reference the following shows special tools of Robin Engine for Disassembly Measuring and Inspe...

Страница 17: ...e knob 3 Remove the bottom plate of element air cleaner Remove mufflercover 1 Remove the flange portion 2 Remove the muffler bracket of the muffler Remove the carburetor etc Be careful of the packing...

Страница 18: ...tem Operation case Electric starter h Fig 19 1 Disconnect the high voltage wire connecting the electric starter to themagnetic switch on theside of the switch 2 Remove the bolts 3 pcs Remove electric...

Страница 19: ...ening 1 Remove the fan cover bolts 2 Remove the head cover 3 Remove the cylinder buffle 6 x 8 flange bolt 1 pce Starting pulley 8 x 12 ST bolt 3 pcs See Fig 21 Remove starting pulley Flywheel IRemove...

Страница 20: ...etc used 4 x 12 screw and washer 2 pcs 4 x 8 screw and washer I Be careful of the primary lead connecting direction 1 pce before disassembly 6 x 25 screw and washer Remove the lighting coil 2 pcs 10m...

Страница 21: ...not to remove camshaft together Crankshaft and camshaft have adjustingshims TYPe B 6 x 8 flange bolt 1 pce Gasket aluminium 1pce 8 x 35 7T set bolt 8 pcs Camshaft can easily be pulled by hand Be care...

Страница 22: ...whenreassembling Check and adjust theclearances of various portions and thenreassemble When some main portions are assembled in the course of reassembling turn or move the gadgets by hand and pay at...

Страница 23: ...talling these shafts in the crankcase 3 Assemble the connecting rod with the piston Fig 28 NOTE The piston is not offset so a new piston does not requireto be installed in a specific direction but a u...

Страница 24: ...300 kg cm Use new lock washers and bend their edges securely Install the main bearing cover NOTE If the oil seal is damagedwhen the governor yoke is installed replaceit with a new one NOTE Adjust the...

Страница 25: ...cm Insert the blind plug 6x 8 flange bolt into the balancer fixing hole with the aluminum gasket and check if the crankshaft srnooth ly runs 7 Install the intake and exhaust valves Intake and exhaust...

Страница 26: ...he special tool valve spring re tainer and pliers See Fig 39 After their installation check the tappet clearance again Fig 39 8 Install the breather plate and tappet cover NOTE Be careful of the gaske...

Страница 27: ...is ob tained The ignition timing of the engine depends on the point gap If the gap is correctly adjusted the igni tion timing will be 23 before TDC IGNITION TIMING CHECK Use a timingtester PartN0 M 2...

Страница 28: ...torque 800 1000 kg cm 12 Install thestarter pulley 8 x 12bolt ST 3 pcs 13 Install the fan cover and head cover cylinder buffle NOTE Before installing the fan cover first install the head coveron the c...

Страница 29: ...rly wire as shown in the wiring diagrams Pages 34 and 35 Install the muffler NOTE The mufflergasket must be placed in the correct direction Non symmetric direction 8m brass nut 2 pcs 8 x 16bolt for br...

Страница 30: ...2246230100 2236230100 Part No BV26 20 BV26 19 Main Jet 57 5 55 Pilot Jet 1 2 1 5 Main Air Jet 112 5 107 5 Throttle Valve 135 150 Pilot Screw 1 Return I 1 turn 6 1 OPERATION and CONSTRUCTION PILOT FUEL...

Страница 31: ...for easy start in the cold season When the recoil starter is pulled with a closed choke the negative pres sure appliedto themain nozzle increases and drawsmuch fuel accordingly thuseasily start up th...

Страница 32: ...loosenit coun terclockwise byoneturnfor Model EY35 orone turn and a half for Model EY40 When fully closing the pilot screw do not tighten it too hard Otherwise the needle at the tipmight become damag...

Страница 33: ...tor is cut off and the exciter current suddenly rushes to the prima ry side of the ignition coil D Thus a high voltage is generated on the secondaryside of the ignitioncoil to produce a sparkin the sp...

Страница 34: ...lightly tapping the float chamber with thegrip of a screwdriver of the like If the carburetor overflows excessive fuel runs into thecylinder when starting the engine making the fuel air mixture too ri...

Страница 35: ...sion ENGINE STOPS Fuel tank empty Water dirt gum etc ingasoline Vapor lock i e gasoline evaporating in the fuel lines due to overheat around the engine Vapor lockin the fuellines or carburetor dueto t...

Страница 36: ...head Spark timing incorrect Loose connecting rod bearing due to wear Loose piston pin due to wear Causes of engine overheat ENGINE BACKFIRES through CARBURETOR 1 Water or dirt in gasoline or low grade...

Страница 37: ...AUSTGASDISCHARGE Exhaust gas is noxious When operating the engine indoors be sureto discharge the exhaustgas outdoors If a long exhaust pipe is used in such a case the internal resistance increases ca...

Страница 38: ...ing systemsshown in the wiringdiagrams below The parts indicated by dotted lines in the diagram are not normally supplied with the engine RECOIL STARTER TYPE and LIGHTING COIL MAGNETO Note Standard ty...

Страница 39: ...Z R I C STARTER Black White Red Fig 56 The symbols shown in the wiring diagrams abovesignify the following Not mounted on the engine JIS CB104 jack D JIS CA104 plug JIS LA104 or LA108 plate terminal...

Страница 40: ...vibration Wire sizeversus resistance Size mm2I 0 50 0 85 1 25 2 0 3 O 5 O 8 0 15 0 20 0 30 O No of conductors conductor diameter mml 7r0 32 11r0 32 16r0 3 2 2610 32 4110 32 6510 32 5010 45 8410 45 411...

Страница 41: ...aningsof the terms usedin the correction tableare as follows 1 Correction Repair adjustment or replacement of any engine parts 2 Correction Limit The limit on wear damage or functional deterioration o...

Страница 42: ...ove Fit between piston and piston pin Ring gap Ring width 0 05 0 15 Correct Dif between max min 0 019 0 S T D 78 dia 84 dia 0 1 5 0 65 0 01 Boring 0 015 2 5 1 2 1 5 Correct Replace 0 036 0 At middle p...

Страница 43: ...Distance between large end and small end bores 0 1 Test bar and Micro meter Micro meter Micro meter 0 15 I Replace EY35 1 EY40 I I 0 070 0 080 0 1 5 Re machine or Replace 0 5 I Crankpin O D EY15 1 EY...

Страница 44: ...030 0 091 EY40 Exhaust 0 070 0 126 0 3 Clearance between Replace Correct w 4 I I Clearance between Replace 0 04 0 1 5 I groove and retainer EY35 1 5 3 EY40 1 0 5 LVernier calipers Stem end length Tota...

Страница 45: ...c hr MODEL EY35 60 25 30 Consumption Lubricant EY40 80 30 40 ITEM REMARKS liter MODEL Fixed quantity of Lubricant EY35 EY40 1 2 ITEM REMARKS liter MODEL Use the class SC or higher grade Engine Oil Win...

Страница 46: ...40 340 390 Connecting rod EY35 bolts EY40 250 300 Magneto clamp EY35 nuts 1 EY40 1 800 1000 Main bearing cover bolts 170 190 EY40 Spark plug EY35 EY40 260 290 T Crankshaft ft lb REMARKS TOOL 24 6 28 3...

Страница 47: ...n Check screw tightening If any loose one is found I re tighten 1 accidents Check oil level in crankcase and add up as necessary If the engine is operated without sufficient oil it will I fail 13 2 EV...

Страница 48: ...of order Change piston rings I Replace fuel pipe once a year 1 To prevent from danger caused by the fuel leakage 13 7 PREPARATION for LONG ABEYANCE 1 Perform the above 13 1 and 13 2 maintenance jobs...

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Страница 51: ...Industrial Engines...

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