Makita EH561 Скачать руководство пользователя | Manualshive

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Содержание EH561

Страница 1: ...MODEL EH561 EH760 SERVICE MANUAL ...

Страница 2: ... c Disassembly Assembly of Engine 14 18 d Disassembly Assembly of Carburetor 19 24 4 CHECKUP AND ADJUSTMENT a Daily Checkup and Adjustment 25 b Checkup and Adjustment for Every 30 50 Hours Every 10 Days 26 c Checkup and Adjustment for Every 100 200 Hours Monthly 26 5 STANDARD OF ADJUSTMENT a Tightening Torque of Components 27 b Standard Adjustment Table 28 c Lubrication Procedure 28 d Bladesharpen...

Страница 3: ...1 SPECIFICATIONS a Designationof Parts Fiirl lank rap I o switrtl ONorr ...

Страница 4: ...rformance kw EH561 600 21 7 735 560 0 74 Clutch engagement speed l min Carburetor type type 3 600 WALBRO WYL I Maximum blade speed m s 1 Ignition system type Spark plug type Electrodegap mm I 1 88 Solid ignition system NGK BMR7A 0 6 0 7 1 Idlingspeed l min I Mixture ratio fuel MAKITA 2 stroke oil Gear ratio 2 600 50 1 14 58 1 The data takes equally into account idling and racing speed operating mo...

Страница 5: ...osition of tools I Ill DISASSEMBLY 1 Machine body 2 Engine CHECKUP Cleaning of parts Checking of parts Refer to IV CHECKUP AND ADJUSTMENT Referto V STANDARD OF ADJUSTMENT Refer to X SETTING OF BRUSH BLADE 1 IV REASSEMBLY 1 Engine 2 Machine body Refer to VIII TABLE OF TIGHTENINGTORQUE I c I STARTING TEST 1 Starting procedure 2 Checkup and adjustment of carburetor Checkup and adjustment Refer to IX ...

Страница 6: ...se 3 Keep disassembled parts in order to avoid loss or error in reassembly 4 If it is hard to loosen bolts or screws use an impact driver 3 Cautions in Reassembly 1 Pay attentionto the combination of parts in particular mountingdirection front and rear right and 2 Replace packings and gaskets with new ones 3 Tighten bolts and screws twice in a diagonal manner 4 Apply two cycle engine oil or Mobile...

Страница 7: ...3 DISASSEMBLY ASSEMBLY PROCEDURES _ _ 7 ...

Страница 8: ...8 I ...

Страница 9: ...9 ...

Страница 10: ...w M4 x 10 Removethrottle wire from throttle lever parts Cable h o l d e r 3 Engine Remove engine by loosening two bolts M6 x 15 PW SW with fixing case and engine and one bolt M6 x 40 W SW with combine rear handle with case and engine 4 Rear handle Loosen bolt M6 x 50 W SW on case side and remove rear handle 5 Front handle Loosen bolt M6 x 35 SW with fixing case and front handle and removefront han...

Страница 11: ...rm throttle lever For CE Remove throttle wire from carburetor 3 Left handle Looseningtwo bolts M5 x 30 with handle holder 4 Handle holder Loosen two bolts M6 x 35 W SW with engine 5 Engine Remove engine by loosening three bolts M6 x 15 PW SW with fixing case and engine 6 Right handle Looseningtwo screws with Blade and remove right handle 11 ...

Страница 12: ...move 3blade fixing U nuts first Then loosen 7 bolts 5 M5 x 16and 2 M5 x 20 and remove lower case It is advisableto remove lower case tapping it with plastic hammer If it is hard to remove case pry case with flat headedscrewdriver payingattention not to damage case or parts inside case After mounting temporality tighten 3 blade fixingU nuts Apply oil to sliding parts in proper amount Caution This w...

Страница 13: ...to crank and lower blade rod shift and mount rod 5 Lower Upperblade Loosen 3 blade slide screws and remove lower blade Caution Be careful not to miss blade slide washer Then remove upper blade 6 Crank gear Crank Remove crank gear and crank from upper case If it is hard to remove tap case with plastic hammer Then loosen screws M5 x 10 fixing crank gear and crank and remove crank Caution Apply greas...

Страница 14: ...c Disassembly Assembly of Engine 14 ...

Страница 15: ...w J m Q u 0 V I 0 Z 0 t a i a 0 t W 3 m a cl u a 15 ...

Страница 16: ...mbly with no bends that might prevent smooth fuel flow 2 Cylinder cover Keep the muffler gasket and insulator gasket in the correct positionwhen assemblingthe cylinder cover Keep the cover spacer and washer in the correct position when assembling the cylinder cover to the cylinder 3 Buffleplate Assemble buffle plate to blower housing as shown in the figure Insulator 16 ...

Страница 17: ...em securely Remove the flywheel with a pullingtool as shown in the figure During assembly be sure first that you have the crankshaft key slot properly aligned with before installing Then check the key slot and flywheel alignment indication 7 Crankcase When assembling the crankcase cut off the crankcase gasket sticking out from the cylinder installingsurface Seefigure at right 8 Cylinder cutter bla...

Страница 18: ...gular mark A on the top of the positionshould beon the crankshaft key slot side 10 Piston ring When installingthe piston ring on the position align the knock pin on the pistonwith the split on the piston ring Unless they are lined up the cylinder cannot be assembled 18 ...

Страница 19: ...d Disassembly Assembly of Carburetor 1 Functionof Parts 19 ...

Страница 20: ...pressure inside engine and atmospheric pressure so as to open or close the needle valve through the metering lever and metering spring Supplies fuel via nozzle by fuel tank Undulates in keeping with engine pulse This action serves to send fuel to the diaphragm chamber Allows excess fuel to returnto the tank during primer pump operation Takes the negative or positive pressure building up in the cra...

Страница 21: ...2 Maintenance PI1 1MLlI P IIMP I I1IMLTl I UMP WLII 21 ...

Страница 22: ...n air nozzle 3 Be sure gaskets and the like are not damaged or deformed Replaceas necessary 4 Check for damage or hardeningof the pumpdiaphragm Besure inlet and outletvalves are horizontaland 5 Check for possible damage or hardening of the meteringdiaphragm The plate should not be sent 6 Check for bendingor damage to the pump plate 7 After cleaningthe pump body ass y check spring deformation lever...

Страница 23: ...t Never tamper with it under normal conditions Measure as shown below when checking the height of the metering lever or when measurement is necessary 2 Metering lever The fuel is rich when the end of the control lever goes up as shown in the solid line inthe drawing and is lean when the dotted line goes down in the direction of the arrow Standard height 1 5 0 15 mm 0 059 0 006 carburetor body 3 Ma...

Страница 24: ...ose 0 0 0 Fuel passagesblocked Tank filter jammed Air vent holes clogged tank cap Io I Wom inlet needle valve I I Inlet needle valve stuck MeteringDiaphragm I0 I Diaphragmdamage I IoI Loose screw on diaDhraamcover I I0I Gasketdefect I 0I Buttondamage MeteringLever Spring BEl CIRCULATIONSYSTEM IoI Loosecarburetor 1 I0I PumDdiaDhraamfailure I IoI Pulse leakage I FuelTank 8 Pumo I IoI Wrong fuel I0I ...

Страница 25: ...of dirt dust or saw dust 1 Crankcase If there is any dust or dirt adhering to cooling air inlet fan cover cylinder fins etc of rear crankcase disassemblethem and remove dust or dirt If there is any dust or dirt adhering to cylinder fin detach cylinder cover and remove it 2 Cylinder 7 Throttle lever Confirm that throttle lever can be operated smoothly Can engine be operated from low speed to high s...

Страница 26: ...thly 1 Cleaning and adjustment of carburetor Clean diaphragm throttle etc of carburetor with gasoline Refer to description on idling adjustment and fuel adjustment 2 Fuel tank filter Clean dust or dirt inside fuel tank with gasoline Clean tank inside Replacefilter if filter screen insidefelt is clogged 3 Muffler Remove muffler Remove carbon adhering to muffler cylinder exhaust port and tail pipe 4...

Страница 27: ...16 M5x20 I Screw 45 f 5 M5 x 25 Screw 80f 10 M5 x 20 Socket head bolt 100 f 10 M6 x 16 Bolt 25 f 5 M4 x 20 Screw 150 f 3 M14 NGK BMR7A 75 i 5 M5 x 50 Socket head bolt Insulator 45 f 5 M5 x 25 Screw Carburetor 25 f 5 M5 x 65 Screw Upper case Blower housing Recoil starter Cylinder cover Muffler cover I 75 f 5 I M6x15 I Bolt 45 f 5 M5 x 16 Screw 15 20 M5 x 14 Screw Black 30 f 5 M5 x 14 Screw Black 40...

Страница 28: ...ct d Blade sharpening If the edges are rounded and do not cut well any more find off only the shaded portions Do not find the contact surface sliding surfaces of the top and bottom edges Before grinding be sure to secure the blade firmly and switch off the engine and removethe spark plug cap Wear gloves protective glasses etc An edges ground too much at a time or ground many times will lose its ha...

Страница 29: ...h light oil 5 Start the engine and operate the engine throttle on and off for a minutes 6 Stop the engine and touch the blades with your hand If they are warm enough for you to keep your hand on then you have madethe proper adjustment If they are too hot for you to keeptouching give Truss screw a little more turnback and repeat 5 to see if the are properly adjusted NOTE Never fail to stop the engi...

Страница 30: ...p isclogged Clean Fuel passageincarburetor is clogged with dust Clean Fueldoes not keep running Leakagefrom mounting I surface of carburetor Retighten Air orificeof fuel tank cap is clogged Clean Defective acceleration function L Pressureleaks Stop leakage packing etc Cloggedneedlevalve at fuel inlet Clean Adjusted metering lever Correct Overflow Fueldifferentfrom specified one Replace Incorrect o...

Страница 31: ...ve Carburetor Ineffectivecompression Overhaul check Insufficienttighteningof spark plug Retighten Exhaust port cloggedwith carbon Clean Throfflevalve not fully opened Openfully mis contactand wear of pistonring gas leakagefrom cylinderandcrankcase and replace rClogged tank filter Replace Other causes Polishedcutter blade Blade doesnot cut well Polishcorrectly I Slippageof cutter blade Tightencorre...

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