Makita EH561 Manuale utente

MODEL EH561/EH760

SERVICE

MANUAL

SPECIFICATIONS

Designation

Parts

.....................................................

Specifications

...........................................................

PREPARATIONS

Disassembly

ReassemblyProcedure

......................................

Cautions

..............................................................

DISASSEMBLY

ASSEMBLY PROCEDURES

...............................

Removal

Engine and Machine Body

..................................

Disassembly

Assembly of Machine Body

..............................

Disassembly

Assembly

Engine

....................................

Disassembly

Assembly

Carburetor

.................................

CHECKUP AND ADJUSTMENT

Daily Checkupand Adjustment

............................................

Checkup and Adjustment for Every 30

Hours

(Every 10Days)

...............

Checkup and Adjustment for Every

100

200 Hours

(Monthly)

..................

STANDARD OF ADJUSTMENT

Tightening Torque of Components

.........................................

StandardAdjustment Table

...............................................

Lubrication Procedure

...................................................

Bladesharpening

.......................................................

BladeAdjustment

.......................................................

TROUBLESHOOTING

.................................................

SPECIFICATIONS

a. Designation

Parts

Fiirl

lank

rap

switrtl

(ON

orr)

Specifications

Dimensions

Mass (with blade cover) kg

Model

1,041

280

258 840

246

225

5.8 5.8

EH760

Volume (fueltank) cm3

Engine displacement cm3

Cutting length mm

Maximumengineperformance

EH561

600

21.7

735

560

0.74

Clutchengagement speed l/min

Carburetor type type

3,600

WALBRO WYL

Maximumblade speed m/s

Ignition system type

Spark plug type

Electrodegap mm

1.88

Solid ignition system

NGK-BMR7A

0.6

0.7

Idlingspeed l/min

Mixture ratio (fuel: MAKITA 2-strokeoil)

Gear ratio

2,600

50:

1) The data takes equally into account idlingand racingspeed operating modes.

PREPARATIONS

a. Disassembly and Reassembly Procedures

The disassembly and reassembly procedures mentioned below are given as a general rule. These

procedurescan be added

or omitted accordingto your operating conditions.

II.

PREPARATIONS Cleaning

Drainageof fuel

Disposition

tools

Ill.

DISASSEMBLY

Machinebody

Engine

CHECKUP Cleaning of parts

Checking

parts

(Referto

IV.

CHECKUPAND ADJUSTMENT)

(Referto

STANDARDOF ADJUSTMENT)

(Referto

SETTING

BRUSHBLADE)

IV.

REASSEMBLY

Engine

Machinebody

(Referto

VIII.

TABLE

TIGHTENINGTORQUE)

STARTINGTEST

Starting procedure

Checkupand adjustment of carburetor

Checkupand adjustment

(Referto

IX.

TROUBLESHOOTING)

NOTE: The numbers are the same as those inthis manual.

Cautions

Preparations

)

Workbench

(2)

Disassemblyand reassembly kitsand gauges

(3)

Washing bowl

(4)

Rinseoil (lightoil, gasoline, etc.)

(5)

Oil (mobileoil), grease

(6)

Adhesive, sealant

(7)

File, sandpaper

(8)

Shopcloth

Cautions in Disassembly

(1)

Use standardtoolscorrectly.

(2)

Handle disassembled parts with care and be sure to cleanthem.

Inparticular, remove dust or dirt adhering to the mountingsurfaces of packings.

Bearings inrod areeasy to separate.

there is no abnormality on rod, no specialmaintenance is

neededwithout removingcontaminated grease.

(3)

Keepdisassembled parts in order to avoid

loss

or error in reassembly.

(4)

it is hardto loosen bolts or screws, use an impact driver.

Cautions in Reassembly

(1)

Pay attentionto the combination of parts (in particular, mountingdirection: front and rear, right and

(2)

Replace packings and gasketswith new ones.

(3)

Tighten boltsand screws twice ina diagonal manner.

(4)

Apply two-cycleengine oil (or Mobile oil) to rotary and slidingparts.

(5)

During reassembly,be carefulto keep parts free of dust and dirt.

(6)

For rotating parts, turn them by handto check for movementor noise.

(7)

After reassembly,turnthe rotating parts by hand and confirmthat there is noabnormality (loosen-

(8)

Neverfail to apply genuine grease into case.

left, upper and lower).

ing, etc.)

DISASSEMBLY

ASSEMBLY PROCEDURES

a. Removal'of Engineand Machine

Body

For

EH561

StarVStop leadwire

Remove lead wire connecting rear-handle stop

switch with engine.

Throttlewire

Remove cable holder fixed to rear handle by

loosening screw (M4x

10).

Removethrottlewire from throttle lever parts.

Cable

holder

Engine

Removeengine by loosening

two

bolts (M6 x

15,

PW,

SW)

with fixing case and engine and one bolt (M6 x 40,

SW)

with combine rear handlewith case and engine.

4. Rear handle

Loosen bolt (M6 x

50,

SW)

on case side and

remove rear handle.

Front handle

Loosen bolt (M6 x

35,

SW)

with fixing case and front handle and removefront handle.

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