Makita EH561 Servisní příručka

MODEL EH561/EH760 SERVICE MANUAL

a. Removal'of Engine and Machine Body For EH561 1. StarVStop lead wire Remove lead wire connecting rear-handle stop switch with engine. 2. Th

For EH760 * Remove lead wire connecting rear-handle stop switch with engine. 1. StarVStop lead wire 2. Throttle wire (For STD) Remove throttle wire

b. Disassembly 4% Assembly of Machine Body Crank qear Drum . \ Upper case - Lower ca5 Pinion qear / 1. Drum Lock blade by tightening 3 blade slide sc

3. Rod slide plate, Pinion gear, Felt Loosen 2 screws (M3 x 5) and remove rod slide plate fixed under lower case. Then remove pinion gear from upper c

c. Disassembly & Assembly of Engine 14

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1. Fuel tube Pull fuel tube about 20 - 30 mm out side fuel tank for easy assembly. Assemble fuel tube as shown in the figure. Return fuel tube to with

4. Clutch Keep the washer in the correct position when assembling the clutch. 5. Ignition coil Use thickness gauge to assure that the air gap will be

9. Piston When equipping the piston in the crankshaft ass’y, the triangular mark ( A ) on the top of the position should be on the crankshaft k

d. Disassembly & Assembly of Carburetor 1) Function of Parts 19

1 . SPECIFICATIONS a . Designation of Parts ... 3 b . Specifications ...

(1) Throttle Valve (2) Tamper Resistant Plug: (3) Low-Speed Needle: (4) Inlet Screen: (5) Needle Valve: (6) Fuel Inlet: (7) Metering Lever Spring

2) Maintenance PI 11 MLl I PI IMP -- I’I1IMLTl I’UMP WLII - - 21

A) DISASSEMBLY AND ASSEMBLY PROCEDURE 1) Refer to the disassembly drawing when disassembling or assembling. 2) Be careful not to damage gaskets and t

3) Adjustment of Carburetor (1) Idle adjusting screw The standard idling rotational speed is 2,500 - 2,700 rpm. Adjust the speed as high as possible s

4) Troubleshooting 0 METERING SYSTEM Inlet Needle 8 Seat IO I Foreian matter Improper installation 000 0 00 0 Lever set too low Lever set too high Lev

4. CHECKUP AND ADJUSTMENT a. Daily Checkup and Adjustment 1. Aspect Confirm that there is no damage or wear. 2. Bolts, nuts, damper pin Check bolts a

b. Checkup and Adjustment for Every 30 - 50 Hours (Every 10 Days) 1. Air cleaner Remove cover of air cleaner and cleaner filter inside with gasoline.

4. STANDARD ADJUSTMENT Grease nipple Retainer plate a. Tightening Torque of Components Main Body 35 f 5 * Screw 40 !z M5x 16 Flange nut 50 * 5 M5 Sc

b. Standard Adjustment Table I Test Parts I Standard Size (mm) I I Air gap 0.3 - 0.4 I I I Spark plug electrodes gap I 0.6 - 0.7 I c. Lubrication P

e. Blade Adjustment The blades will wear with long use. When you find that trimming is not as good as when the blades were new, adjust them as follows

1 SPECIFICATIONS a. Designation of Parts Fiirl lank rap \ I o switrtl (ON orr)

6. TROUBLESHOOTING .I- .cL b -; 2 0-0 cv ~ a2 5+g 2% Y C V 2 c e- ln a 0 U a C cn c W .- - a 3 .I- with coil ~ Defective coil ... Replace -

Overheated engine - Engine runs but Poor RPM’s __ , - Inadequate fuel used ... Use specified fuel - Defective plug (overheated) ...

b. Specifications Dimensions (L x W x H) Mass (with blade cover) kg mm I Model 1,041 x 280 x 258 840 x 246 x 225 5.8 5.8 EH760 Volume (fuel tank)

2. PREPARATIONS a. Disassembly and Reassembly Procedures The disassembly and reassembly procedures mentioned below are given as a general ru

b. Cautions 1) Preparations (1 ) Workbench (2) Disassembly and reassembly kits and gauges (3) Washing bowl (4) Rinse oil (light oil, gasoline, etc.) (

3. DISASSEMBLY & ASSEMBLY PROCEDURES - -\ __ / 7

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