Zenoah EBZ7500 Скачать руководство пользователя | Manualshive

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7

.

Notice of Reassembly

7-5 Ignition Coil Installation

1. Apply thread lock to the mounting bolts.

Set the spacers, the ignition coil and the
terminal, and temporarily tighten the mounting
bolts.

Thread Lock: Three Bond #1342/ 1342H or

LOCTITE #242 or equivalent

2. Insert the gauge (special tool) between the rotor

magnet metal and ignition coil. Tighten the
mounting bolts while pushing the ignition coil
against the rotor (see page15).

Torque: 2.5

～

4.0N

･

m (25

～

40kgf

･

cm)

NOTE:

Tighten the mounting bolt (A) so that the
terminal does not contact the ignition coil
and the crankcase.

3. Fix the grommet of high tension cord/ switch cord

to the notch of the crankcase.

Rotor

Gauge (0.3mm)

Terminal

Do not contact.

Ignition Coil

Spacers

Terminal

Bolts (2)
M4x 22L (T27)

Bolt (A)

Grommet

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Содержание EBZ7500

Страница 1: ...Workshop Manual 2017 EBZ7500 8500...

Страница 2: ...re also included in this manual However many cases need rich maintenance experience and informed judgment Please refer to this manual for maintenance support WARNING 1 The contents of this manual are...

Страница 3: ...gnition Coil Installation 30 7 6 Coupling Installation 31 7 7 Carburetor Installation 31 7 8 Fan Installation 32 7 9 Recoil Starter Installation 32 7 10 Engine Cover Installation 33 7 11 Intake Hose I...

Страница 4: ...fan The fan uses a half closed fan optimizing the air flow with the new flat volute case realizing the very best of the air volume and wind velocity Intake from the side of the frame Guard Net New ty...

Страница 5: ...ed EBZ7500 8500 The new spiral type flexible hose has no sharp on its surface contrary to the conventional flexible hose It is hard to split and has excellent durability In addition wind resistance is...

Страница 6: ...EBZ8500 The fresh air intake system is used Because the clean air in the volute case is taken in directly through the dedicated passage it is powerful and the maintenance interval can be lengthened 1...

Страница 7: ...oah s Strato charged engine adopts air guided stratified scavenging system which introduces leading air to the scavenging port separately from the air fuel mixture The leading air pushes out the combu...

Страница 8: ...egins its downstroke after top dead center a scavenging port starts to open and lead air in the scavenging port moves into the cylinder earlier than the air fuel mixture 3 As the piston begins its ups...

Страница 9: ...35 6 1 Guard Net Removal see page 21 7 12 Frame Installation see page 34 7 17 LHD Throttle Lever Set Assembly see page 40 7 8 Fan Installation see page 32 7 15 Elbow Installation see page 36 7 11 Inta...

Страница 10: ...ary coil short circuiting Switch Push type Cooling System Forced air cooling Air Cleaner Element Type Primary Dry puff Secondary Dry paper Two stage filters Output Axle Rotation Direction Counterclock...

Страница 11: ...4 Technical Data 4 2 External Dimensions Unit mm Models A B BB C D EBZ7500 354 536 479 499 1198 EBZ8500 357 535 497 540 1198 Illustration shown is EBZ7500 Reference...

Страница 12: ...iam d3 Outer diam D4 Outer diam D5 Length L2 EBZ7500 99 5 99 5 349 97 4 99 103 340 EBZ8500 Part No 576 56 49 01 576 56 50 01 576 57 64 01 Name Straight Pipe Pipe End Pipe End Appearance Air velocity t...

Страница 13: ...0 Ignition coil setting Air gap see page 15 Rod Assy 516 18 29 01 1101 96220 Piston pin removal or installation see page 16 Bearing Guide 577 40 98 01 Main bearing installation see page 16 Crankshaft...

Страница 14: ...ug and connect the pressure gauge see page 19 Outlet Cover Plate H502541102 Closure of exhaust port and inlet port see page 19 Compression Gauge 14mm Adapter Size 10mm H531031686 583 84 98 01 Compress...

Страница 15: ...e into the cylinder from the plug hole to stop the movement of the piston 4 Remove the mounting nut of the rotor NOTE Turn the rotor counterclockwise CCW slowly contact the piston head to the recoil r...

Страница 16: ...movement of the piston 3 Remove themounting nut of the coupling NOTE Turn the coupling counterclockwise CCW slowly contact the piston head to the recoil rope lightly and loosen the nut 4 Set the pulle...

Страница 17: ...the reference values for resistance tester measurement The resistance value within the normal range shows no internal leakage or any other defect Ignition Checker Tool No 3699 90247 We supply the meas...

Страница 18: ...milar S Starter side 1 Set the support special tool outside of the crankcase S as shown 2 Tap the bearing with a plastic hammer lightly and fit it into the crankcase horizontally 3 Insert the bearing...

Страница 19: ...rankshaft into the bearing while screwing the nut NOTE After press rotate the crankshaft to check the operation of the bearing If the movement of the bearing is heavy tap the bolt head with a plastic...

Страница 20: ...he bearing 9 Compression Pressure Check 1 Warm up the engine for at least 5 minutes NOTE After warm up the engine and the muffler will become hot Be careful not to burn yourself 2 Remove the attachmen...

Страница 21: ...ttachment special tool to the cylinder 4 Remove the intake cup the carburetor and the gasket 5 Temporarily install the carburetor and the intake cup and insert the outlet cover plate special tool betw...

Страница 22: ...the sealing should be fine NOTE After installing the muffler operate the engine by wide open throttle more than one minute and retightening the mounting bolts 11 Piston Installation When inserting the...

Страница 23: ...crew head will be damaged 2 Insert the flat tip screwdriver between the guard net and the frame twist the screwdriver to pull out the clip and remove the guard net from the frame NOTE Do not damage th...

Страница 24: ...se F If necessary gently tap with a plastic hammer to the crankcase F 2 Remove the crankcase F from the crankcase S with the crankshaft NOTE The crankshaft cannot be removed from the crankcase F in th...

Страница 25: ...earing Removal Check wear of the oil seal rattling and seizure of the bearing If necessary replace them If the bearing press fitting portion of the crankcase is worn replace the crankcase at the same...

Страница 26: ...er surface and lip of the oil seals Degrease the outer surface of the main bearings and the bearing contact surface of the crankcase Degrease the taper and thread portion of the crankshaft Degrease th...

Страница 27: ...C position the keyway of the shaft is downward and the short taper is the crankcase F side Insert the crankshaft into the crankcase F using the crankshaft installing tool of special tool see page 17 C...

Страница 28: ...with the rod assy of special tool see page 16 Fit the snap ring in the groove of the piston firmly and turn the end gap of the snap ring to the opposite side of the notch After the assembly check that...

Страница 29: ...r make sure to apply the liquid gasket to the mating surface with the cylinder and install the scavenging port cover NOTE The liquid gasket should be applied continuously without any gaps to ensure hi...

Страница 30: ...the tap 3 Degrease the thread portions and apply a new thread lock to the mounting bolt or screw NOTE When tightening the bolt with the old thread lock having stuck damage the thread portions of the e...

Страница 31: ...have accumulated on the spark arrester with a wire brush If necessary replace it with a new one Torque 2 0 3 0N m 20 30kgf cm 7 4 Rotor Installation 1 Parallel the flat surface of the key to the cent...

Страница 32: ...pecial tool between the rotor magnet metal and ignition coil Tighten the mounting bolts while pushing the ignition coil against the rotor see page15 Torque 2 5 4 0N m 25 40kgf cm NOTE Tighten the moun...

Страница 33: ...esion of oil or dust on the tapered surface and the threaded portion of the crankshaft and coupling 3 Tighten the mounting nut and fix the coupling Torque 24 5 34 3N m 250 350kgf cm 7 7 Carburetor Ins...

Страница 34: ...en the four mounting bolts with equal torque in diagonal order 7 9 Recoil Starter Installation Fit the recoil starter to the crankcase and fix it with the mounting bolts Torque 2 94 4 41N m 30 45kgf c...

Страница 35: ...r insert the lower edge of the muffler gasket inside the engine cover to protect the fuel tank from exhaust heat 7 11 Intake Hose Installation Before installing the intake hose apply grease to the air...

Страница 36: ...f the lower dampers into the frame and press the upper damper firmly to the frame side 3 Tighten the mounting nuts of the lower dampers Torque 3 92 4 94N m 40 50kgf cm 4 Tighten the mounting screws of...

Страница 37: ...on Make sure that the protruding length from the grommet is the specified dimension If protrudes too much or extends too little pipe bending and or poor fuel filter response may occur Connect the retu...

Страница 38: ...the elbow Loosen the bolts of the elbow mounting portion of the volute case Insert the elbow between the volute case and the volute cover tighten the loosened bolt and attach the elbow to the volute c...

Страница 39: ...Make the gap of the spring hook b and the boss of the recoil case about 2mm Apply grease to the boss Grease Cold resistant grease No 2 or equivalent 3 Insert a rope through the reel as shown in the fi...

Страница 40: ...to the groove under the reel Grease Cold resistant grease No 2 or equivalent Reference The groove on the bottom side of the reel is positioned between the notch and the knot of the rope 6 Lightly turn...

Страница 41: ...el with your thumb 11 Detach the rope from the notch of the reel stretch it with the knob and release the thumb and slowly wind up the rope to the reel with the spring tension NOTE When the rope is fu...

Страница 42: ...m 4 Align the stopper portion of the throttle lever at the lever operation range A of the throttle arm and insert the throttle lever in the hole of the throttle arm 5 Set the wave washer and the lever...

Страница 43: ...ottle cable and connect the wire end to the lever plate 9 Attach the throttle cable end to the groove of the throttle arm 10 Push the switch cords into the groove of the throttle arm and set the stopp...

Страница 44: ...ock washer may need to be pushed more again when control lever returns automatically during operation Control lever operating torque 0 41 0 52N m 4 2 5 3kgf cm 4 Match the color of the switch cords an...

Страница 45: ...hrottle lever and the control lever make sure that the control lever can move fully NOTE Make sure that the tip of the lever spring is hooked under the wire end connecting portion of the throttle leve...

Страница 46: ...valve side mm 12 2 Choke valve side mm 14 5 Inlet Valve Opening pressure kgf cm2 kPa 1 3 2 3 127 226 Reseating pressure kgf cm2 kPa 0 6 1 6 59 157 Idling speed range rpm 1 800 2 200 1 900 2 100 No loa...

Страница 47: ...Gasket Metering Lever Limiter Cap Idle Adjustment Screw Limiter Cap Body Assy Metering Diaphragm Air Purge Body Priming Pump Pump Cover Idle Adjustment Screw Adjustment of the idle engine speed Turn D...

Страница 48: ...ceiving portion and valve portions of the diaphragm are stiff replace it with a new one 3 Inlet Valve Leaking Test Connect the pressure gauge special tool to the inlet port of the carburetor body assy...

Страница 49: ...lve and check for dirt sludge rusting and or step wear Replace the inlet valve if a beveled edge is found on the rubber tip Inspect the clogging of the fuel passage in the carburetor body and make sur...

Страница 50: ...dle Remove the limiter cap with the limiter cap tool see page 50 Remove the H needle check the wear and damage of the tip and screw portions and if necessary replace it with a new one Clean the cloggi...

Страница 51: ...e of the plunger contact surface and inspect for any grooves or scratches where the tip of the screwdriver catches If there are grooves replace the throttle valve assy with a new one 11 Jet Needle Che...

Страница 52: ...stnment screw counterclockwise CCW until its tip just touches throttle valve stop then turn it clockwisely CW to the position where the engine speed gets slightly higher Turn the L needle counterclock...

Страница 53: ...screw Models Peak Idling rpm WYA 236A EBZ7500 2 700 200 WYA 237A EBZ8500 2 700 100 Set the engine speed at 2 000 200 rpm by turning the L needle counterclockwise CCW Models Rich Down rpm WYA 236A EBZ...

Страница 54: ...0 200 WYA 237A EBZ8500 7 250 50 NOTE If the engine speed is too high acceleration failure and output will decrease The ignition coil is digital control misfire type and when the engine speed is too hi...

Страница 55: ...on pin and piston pin hole mm 0 005 0 021 0 05 MM CG Replace Piston Ring End gap at cylinder skirt mm 0 15 0 35 0 6 TG Replace Width mm 1 2 1 1 MM Replace Piston Pin Diameter mm 12 11 98 MM Replace Co...

Страница 56: ...ake Cup Carburetor M5 60L 3 4 5 30 45 Recoil Starter M5 16L Apply 3M 2353 12mm 3 4 5 30 45 Starter Pulley 2 9 3 9 30 40 Rotor M10 1 0 Hex nut 25 35 250 350 Ignition Coil M4 22L 2 5 4 25 40 Coupling M1...

Страница 57: ...air or replace Switch 1 Switch is OFF ON the switch 2 Switch failure Replace 3 Primary wiring ground Repair or replace Sparks appear in the spark plug Compression and fueling are normal 1 Over sucking...

Страница 58: ...Disassemble and clean 3 Water mixed with fuel Drain and apply new fuel Revolution rises suddenly and stops 1 Lack of fuel Refill 2 Clogged breather Clean 3 Clogged carburetor Clean 10 3 Engine cannot...

Страница 59: ...ed with dusts Clean 4 Improper fuel Change with proper fuel 5 Carbon deposited inside of combustion chamber Clean 6 Spark plug electrode red hot Clean thoroughly and adjust spark gap to 0 6 to 0 7mm O...

Страница 60: ...thers Trouble Probable Cause Countermeasure Poor fuel consumption Clogging of the pre filter and the paper filter Pre filter Wash with hot water containing neutral detergent and dry Paper filter Clean...

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