Makita EM4350UH, Техническая информация

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CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”.
[4] DISASSEMBLY/ASSEMBLY
[4]-1. Warning
Follow the instructions described below in advance before repairing:
• Wear gloves.
• Remove the cutting tool from the unit, and if it is a saw blade, attach the blade cover to the blade.
• When the engine is hot from use, cool down the engine enough or you can get burned.
• Remove remaining fuel from Fuel tank and Carburetor completely.
[FLAMMABLE MATERIAL KEEP FIRE AWAY]
• Remove Spark plug cap from Spark plug.
• Repair the engine on a stable workbench and in a clean workplace kept as free of dust and debris as possible.
• In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts.
It is also recommended to have boxes ready to keep disassembled parts by group.
• Handl e the disassembled parts carefully. Clean and wash them properly.
• If some bolts and screws are too tight, use an impact driver.
• Tighten the bolts and the screws to the specified torque as shown in "
[4]-15. Tightening torque specifications
"
.
• Each time after you mounted a main part of the engine such as the piston, check if it moves smoothly
without abnormal noise by manually turning the crankshaft.
• After completion of reassembly, check for loose parts or abnormal noise and vibration
by manually turning the crankshaft.
[2] HANDLING OF GASKET
[3] LUBRICANT / ADHESIVE APPLICATION
R
epair
P / 2
[1] NECESSARY REPAIRING TOOLS
Description Code No. Use for
Once Gasket is removed:
(1) Clean up the mating surface where the gasket was installed to maintain its sealing performance.
(2) Replace it with a new one.
(1) Apply a little amount of Makita grease N No. 2 to Spiral spring in Recoil starter and the spline ends of Shaft in
Shaft pipe complete.
(2) When the inside of Gear case is cleaned, supply 11g of Makita grease N No. 2 from the grease inlet.
(3) Apply 4g of Makita grease N No. 1 to the entire portion of Shaft in Shaft pipe complete.
(4) Once Engine is disassembled, remove oil/grease from the mating surface of Cylinder and Crankcase complete,
then apply ThreeBond 1215/1216 to the mating surface for the reassembly.
Retaining ring pliers ST-2 for External ring 1R004
press-fitting Cutter shaft set into Ball bearing 6000DDU
press-fitting Clutch drum into Ball bearing 6004LLU/6003LLU
Bearing setting pipe 20-12.2 1R028
removing Spiral bevel gear 14 from Ball bearing 609ZZ
Bearing setting pipe 28-20.2 1R031
r em oving/ installing Retaining rings
Retaining ring pliers RT-2N for Internal ring 1R005 r em oving/ installing Cotter by using 1R389
removing Ball bearing 6000DDU from Cutter shaft complete Bearing setting plate 10.2 1R033
removing Ball bearings Gear extractor (Large) 1R045
Retaining ring pliers RT-2E for Internal ring 1R006 r em oving/ installing Retaining rings
Air density tester 1R127 diagnosing Carburetor
Round bar for arbor 20-100 1R247 removing Clutch d r um complete from Clutch case
Round bar for arbor 8-50 1R282
removing Spiral be v el gear 14 from Ball bearing 6000ZZ and
6000
removing Piston pin
Round bar for arbor 12-50 1R286 press-fitting Clutch drum complete into Clutch case
Retaining ring S and R pliers 1R291 r em oving/ installing Retaining rings
Torque wrench shaft 7-23N.m
tightening Bolts to specified torque
1R219
Torque wrench shaft 2-6N.m 1R254
Flywheel puller 1R364 removing Flywheel
Feeler gauge set 1R366 adjusting Ignition coil, Spark plug
Cotter removal attachment 1R389 r em oving/ installing Cotter by using 1R005
10mm Hex socket bit
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r em oving/ installing Flywheel
14mm Hex socket bit
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r em oving/ ins talling Clutc h
Wire brush
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cleaning Spark plug