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Страница 2: ...21 EH25 EH30 EH30V EH34 EH34V EH43V EC13V DY23 DY27 DY30 DY35 DY41 WISCONSIN ROBIN SIDEVALVE W1 080 W1 145 W1 145V W1 185 W1 185V W1 230 W 1 280 W1 340 W 1 390 Wl 45OV EY21W EY44W EY18 3W EY25W EY27W...
Страница 3: ...How to do in troubles 23 5 CARBURETOR 25 5 1 Diagnosis of troubles 25 5 2 Remedy for trouble 25 6 MAGNETO 27 6 1 Troubleshooting 27 6 2 Spark testing 27 7 BREAK IN OPERATION OF REASSEMBLED ENGINE 27...
Страница 4: ...kgf m rpm I 2 0 5000 ft Ibs min I 2 3 5000 ft Ibs min Direction of rotation I Counterclockwise as viewd from P T O shaft side Cooling system I Forcedaircooling Lubrication I Oil mixed fuel Lubricant H...
Страница 5: ...ine at the continuous ratedoutput is most favorablefromthe view point of engine life and fuel economy It is recommended therefore thatthe equipment driven by the engine to be designed torequire the en...
Страница 6: ...rily assemble as much as possible in each group or set 4 Carefully handle disassembled parts and clean them with washing oil 5 Use correct tools in correct way 6 Standard tools required for disassembl...
Страница 7: ...cedures Part to remove 1 1 Remove spark plug cap from spark Spark plug cap plug 2 Tank cap 2 Put a draining pan below fuel tank 1 Remove tank cap from fuel tank 3 Remove fuel pipe from carburetor 4 Dr...
Страница 8: ...shaft M6 x 16mm bolt and washer lpce 2 Remove k i e escrews fromclutch M5 x 8mm screw and washer e Spa 3 Attachclutch puller to clutch 4 P u l l outclutch assembly using cluch puller See Fig 3 Fig 3 m...
Страница 9: ...Remove cleaner cover with element 1 Turn fuel cock off 2 Loosen two screws and remove air cleaner base and carburetor M6 x 65mm screw and washer 2 pcs Remarks Tool Disassemble and reassemble carbureto...
Страница 10: ...Step 6 Part to remove Tank bracket and fuel tank Procedures I I Remarks Tool I 1 Remove tank bracket from crankcase 2 Removefuel tank M5 x 14mm screw and washer 2pcs Phillips screw driver I I I Fig 6...
Страница 11: ...ures I Remarks I Tool I 7 1 Remove mount rubbers from crank Rubber cushion and t a n k bracket 8 l O m m box wrench 1 Remove engine base Engine base Option M6 x 12mm bolt and washer 3pcs MOUNT RUBBERS...
Страница 12: ...er 2 Removemuffler M5 x 8mm screw a 3pc M6 bolt and washer 2pcs 1 Remove cylinder cover M5 X 14mm screw and waSher 2pcs M5 X 20mm screw and washer 0 lpce Remarks 1 Be careful not to lose the washer To...
Страница 13: ...uplersof stopbutton wire I 12 starter Recoil 11 Remove recoil starter M5 X 50mm socket bolt and washer lpce M5 X 22mm socket boltwith washer 2pcs 1 Disassemble and 4mm reassemble recoil starter referi...
Страница 14: ...lt spring washer and washer 1pce 2 Set clutch puller to flywheel See Fig 10 1 Turn center boltclockwise to pull out flywheeL Remarks I Tool 1 Phillips screw driver 1 Be careful not to Clutchpuller los...
Страница 15: ...0 2pcs M5 x 22mm screw and washer a 2pcs NOTE1 Lead valve is unreplaceable Replace lead valve in completion from if necessaly M5 X 22mm SCREW 2pcs I WIRE BRACKET Remarks 1 U s e a soft hammer and alu...
Страница 16: ...rks Procedures Part to remove 1 9mm l Removespark plug fromcylinder Spark plug 17 plug wrench r L 18 5mm 1 Remove cylinder from crankcase Cylinder M6 X 18mm socket bolt a 4pcs hexagon wrench I PACKING...
Страница 17: ...rod is unreplaceable Replace connecting rod and crankshaft in assembly form if necessaly PISTON RING e PISTON Remarks 1 Be careful not to damage oil s e d 1 Be careful not to lose clips 2 Be careful n...
Страница 18: ...where specified inthis manual Pay most attentionto cleanliness of piston cylinder crankshaft connecting rod and bearings Apply oil to lips before reassembly 5 Replace keys pins bolts nuts etc if neces...
Страница 19: ...ing See Fig 17 4 Tighten four 4 bolts evenly to join rearcrankcase tofront crankcase M5 X 30mm socket bolt 0 4pcs TIGHTENING TORQUE 60 80 kgf c m 590 780 N crn 55 65 IN LB 5 Insert key tocrankshaft 3...
Страница 20: ...lant THREEBOND 1360 to screws I I 3 4 7 CARBURETOR AND AIR CLEANER 1 Installcarburetorgasketandcarburetor thenmountair cleaner base 2 Set cleaner element to cleaner cover 3 Set cleaner cover to cleane...
Страница 21: ...oil from crankshaft andthe tapered center hole of flywheel 3 4 9 SPARK PLUG 1 Install spark plug to cylinder NGK BPM7A or the equivalent I TIGHTENING TORQUE 210 kgf crn 1470 2055N cm 130 180 IN LB 3 4...
Страница 22: ...chtankbracket to crankcase M5 X 14mm screw and washer 0 2pcs I TIGHTENING TORQUE I 40 50 kgf cm 395 490 N cm 35 I 40 IN LB 3 4 13 MUFFLER 1 Install muffler to crankcaseusing muffler gasket See Fig 19...
Страница 23: ...tion coil to stop 2 Check earth spring to protrude from the button mounting surface of recoil starter SeeFig 20 Fig 20 3 4 16 RECOILSTARTER 1 Install recoil starterto crankcase M5 X 22mm socket bolt w...
Страница 24: ...arting knob to pull out starter rope See Fig 21 Fig 21 3 Hold reel with thumband pull starter rope inside case See Fig 22 4 Rewind rope clockwise untilrotationstops by holding starter rope using the n...
Страница 25: ...e position of inner end of the spring so it catches hook of the reel securely NOTE I The shape of starter springinnerendcan be adjusted with plier if necessary 3 Prior to installing reel in starter ca...
Страница 26: ...n power of starter rope isweak or starter rope cannot be fully rewind inject a few drops of mobile oil tothe frictional portions If it does not recover yet wind the rope 1 or 2 times In this case refe...
Страница 27: ...r end of springto reel Remove tape from reel Fig 28 2 IN CASE OF LUBRICATING Lubricate therotating parts frictional parts andspring with heat resistant grease or mobile oil at the time of disassembly...
Страница 28: ...ld open by dirt or gum See remedy 1 Idling speed is high or slow Adjust the slow speed screw See remedy 4 Engine exhausts white smoke 5 2 REMEDY FOR TROUBLES L Remedy 1 2 Remove float chamber from bod...
Страница 29: ...jet in kerosene 4 Clean main nozzle in kerosene and blow compressed air 5 Clean main airvent in kerosene and blow compressed air See Fig 30 6 Attachfloat chamber to body TIGHTENING TORQUE 70 kgf crn 6...
Страница 30: ...system problems caused by Refer to section 8 TROUBLE SHOOTING BREAK IN OPERATION OF REASSEMBLED ENGINE overhauled engine mustbe operated carefully to break intheparts a h A thorough break inis indisp...
Страница 31: ...aporating in fuel lines dueto excessive heataround engine Carburetor needle valve held open by dirt or gum Incorrectmixtuerratio of gasolineand two cycle oil Air vent hole ofthefueltank cap is plugged...
Страница 32: ...lead deposits in cylinder or onpiston Worn or damaged piston pin or needle bearing Worn or damaged crankshaft bearing Low cranking speed Engine overloaded Heavy load atlow engine speed I Cooling airr...
Страница 33: ...e performance cannot be expected withoutrepairing such parts The limit beyondwhich parts can no longerbeused in respect of performance or strength The design dimensions of new parts minus tolerance To...
Страница 34: ...2 0 3933 0 3938 0 020 0 066 0 0008 0 0026 0 07 0 1 1 0 0028 0 0043 0 04 0 08 0 0016 0 0031 0 009 0 008 0 0004 0 0003 Limit 10 03 0 3949 0 105 0 0041 0 1 5 0 0059 0 15 0 0059 i 0 044 0 0017 EC04ER STD...
Страница 35: ...minimum ITOP 1 54 1 56 0 0606 0 0614 1 5 0 0591 1 54 1 56 0 0606 0 061 4 1 54 1 56 0 0606 0 061 4 1 5 0 05911 1 54 15 6 0 0591 0 0606 0 061 4 1 5 2nd 0 Piston pin outside dia maximum 9 994 1O Ob0 0 3...
Страница 36: ...ghting 0 Runout of shaft 18 5mm CARBURETOR Pilot screw Sparkplug type Spark timing Air gap Sparkpluggap ECOBER STD 14 994 15 002 0 5903 0 5906 0 48 0 01 89 0 05 0 0020 iC04ER Limit 14 98 0 5898 0 8 0...
Страница 37: ...rburetorandaircleaner 395 490 N cm 35 40 IN LB 110 130 kgf cm Bolt for joining flywheel 1080 1270 N cm 95 110 IN LB 40 50 kgf cm Screw for joining ignition coil 395 490 N cm 35 40 IN LB 150 210 kgf cm...
Страница 38: ...tening torque 60 80 kgf cm Bolts for joiningengine base 590 780 N cm 55 65 IN LB 30 40 kgf cm Screw for joining clutch 295 390 N cm 100 120 kgf cm 30 35 IN LB Bolts for joining clutch to engine 980 11...
Страница 39: ...g damages to the engine and or the equipment Check oil level and fill up as necessary Insufficientoil causes engine seizure 10 2 EVERY 50 HOURS 10 DAYS CHECK AND MAINTENANCE Checks and maintenance wor...
Страница 40: ...ks 10 1 through 10 4 2 Drain fuel from thetank 3 To protectcylinder bore fromrusting pour a smallamount 2cc of engine oil thr spark plug hole intothe cylinder and pull the recoil starter slowly 2 to 3...
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Страница 42: ...Industrial Engines...
