Instruction/ maintenance manual of the product EM4350UH Makita
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PRODUCT P 1/ 2 2 Straight unleaded gasoline Yes 43.0 (2.6) Models No. Description C ONCEPT AND MAIN APPLICATIONS S pecification S tandard equipment O ptional accessories EM4350UH, EM4350LH EM4351UH Petrol Brushcutter Primer pump Engine Displacement: cm³ (cu.
CAUTION: Repair the machine in accordance with “Instruction manual” or “Safety instructions”. [4] DISASSEMBL Y/ASSEMBL Y [4]-1. W arning 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.
[4] DISASSEMBL Y/ASSEMBL Y [4]-2. Engine and Shaft R epair P 3 / 2 2 (1) Press down the tab of Cleaner plate assembly gently and separate Cleaner cover assembly from Cleaner plate assembly by loosening M5x20 Hex socket head bolt. ( Fig. 1 ) (2) Loosen 5x16 Tapping screw and loosen Clamp that holds Bullet terminals near Cleaner plate assembly.
[4] DISASSEMBL Y/ASSEMBL Y [4]-2. Engine and Shaft (cont.) R epair P 4 / 2 2 Assemble by reversing the disassembly procedure. (1) Put Cable bracket between Flat washer 6 and middle Nut, and tighten them by turning lower nut, upper nut and the middle nut.
[4] DISASSEMBL Y/ASSEMBL Y [4]-3. Shaft pipe complete (cont.) R epair P 5 / 2 2 For 4351UH: (5A) Loosen M5x18 Hex socket head bolt and remove Shaft pipe complete from Pipe housing.
[4] DISASSEMBL Y/ASSEMBL Y [4]-3. Shaft pipe complete (cont.) R epair P 6 / 2 2 For 4351UH: (1A) Insert Buffer rubber into Pipe housing so as to align the two grooves with the two ribs ( Fig. 16 ) Set the four Buffer rubbers in place of Pipe housing. ( Fig.
[4] DISASSEMBL Y/ASSEMBL Y [4]-4. Gear case assembly R epair P 7 / 2 2 (1) According to the clause of [4]-3 , Remove Gear case assembly. (Refer to Figs. 8, 9 and 10 ) (2) Remove M8x10 + Hex bolt from the grease inlet of Gear case assembly. ( Fig. 19 ) (3) Remove Retaining ring R-26 with 1R006.
[4] DISASSEMBL Y/ASSEMBL Y [4]-4. Gear case assembly (cont.) R epair P 8 / 2 2 Assemble by reversing the disassembly procedure. Note: • Make sure that O ring 32 is put into the inner groove of Gear case assembly in advance.
[4] DISASSEMBL Y/ASSEMBL Y [4]-6. Clutch drum R epair P 9 / 2 2 For 4351UH : Refer to Parts breakdown in Fig. 35 . (1A) Remove four M6x20 Hex socket head bolts, then separate Clutch case from Engine. ( Fig. 33 ) (2A) Remove Retaining ring (INT) R-42 in Clutch case with 1R006.
[4] DISASSEMBL Y/ASSEMBL Y [4]-6. Clutch drum (cont.) R epair P 1 0 / 2 2 For 4351UH : (1) Press-fit Ball bearing 6004LLU to Clutch drum with 1R031 in Fig. 40 . Note : Put Retaining ring (INT) R-42 between Ball bearing 6004LLU and Clutch drum in advance.
[4] DISASSEMBL Y/ASSEMBL Y [4]-7. Ignition system R epair P 1 1 / 2 2 (1) Remove Plug cap from Spark plug, then check the continuity between Plug cap spring and the ground (earth) terminal of Ignition coil with a circuit tester. If there is normal continuity, the resistance value will be 2.
[4] DISASSEMBL Y/ASSEMBL Y [4]-7. Ignition system (cont.) R epair P 1 2 / 2 2 (1) Before removing Ignition coil, separate Cylinder cover from Engine, and pull out Primary wire from Ignition coil in advance. ( Fig. 47 ) (2) Remove two M4x20 Hex socket head bolts and Ignition coil from Engine.
[4] DISASSEMBL Y/ASSEMBL Y [4]-9. Recoil starter R epair P 1 3 / 2 2 (1) Remove Starter cover assembly by loosening four M5x20 Hex socket head bolts. ( Fig.
[4] DISASSEMBL Y/ASSEMBL Y [4]-10. Carburetor section R epair P 1 4 / 2 2 (1) Press down the tab of Cleaner plate assembly gently and separate Air cleaner cover from Cleaner plate assembly by loosening M5x20 Hex socket button head screw. ( Fig. 1 of [4]-2.
[4] DISASSEMBL Y/ASSEMBL Y [4]-10. Carburetor section (cont.) R epair P 15 / 2 2 Fig. 67 Fig. 69 Fig. 68 Tube 3-250 (black)* between Carburetor and Fuel tank *The component of Tube complete Tube 3-120.
R epair P 16 / 2 2 Fig. 71 Fig. 72 Fig. 73 Fig. 70 [4] DISASSEMBLY/ ASSEMBLY [4]-11. Stop switch section CHECKING STOP SWITCH FUEL TUBE ROUTING Check the continuity between the bullet terminals on the two lead wires extending from Control lever with a circuit tester.
[4] DISASSEMBLY/ASSEMBLY [4]-13. Engine block R epair P 17 / 2 2 (1) It is highly recommended to drain the oil system of Engine block before starting disassembling because the oil remaining there will drip out to delay your operation.
[4] DISASSEMBL Y/ASSEMBL Y [4]-13. Engine block (cont.) R epair P 18 / 2 2 ASSEMBLING (1) Connect Piston with Crank shaft complete by inserting Piston pin into place; there is no front/back to Piston. Note: Be sure to apply a little amount of Makita grease N No.
[4] DISASSEMBL Y/ASSEMBL Y [4]-13. Engine block (cont.) R epair P 19 / 2 2 (8) Adjust Valve clearance as follows: 1. Align the marks on the following parts: • Ignition coil and Flywheel complete ( Fig. 81 ) • Cam gear assembly and Cylinder block ( Fig.
[4] DISASSEMBL Y/ASSEMBL Y [4]-13. Engine block (cont.) R epair P 2 0 / 2 2 Assemble by reversing the disassembly procedure. (1) Remove two Rocker arm assemblies and Pin 5 from Cylinder block assembly. ( Fig. 89 ) (2) Push a rag into Cylinder block assembly from the bottom side so as not to fall off Intake valve and Exhaust valve.
R epair P 2 1 / 2 2 [4] DISASSEMBL Y/ASSEMBL Y [4]-14. V alve section (cont.) ASSEMBLING (1) Apply 0.05cc of 4-cycle engine oil to Exhaust valve and Intake valve as drawn in Fig.
[4] DISASSEMBL Y/ASSEMBL Y [4]-15. T ightening torque specifications R epair P 2 2 / 2 2 Application (for fastening A and B) A B Fastener Tightening torque (N.m) Crank case Retainer plate M5x18 Hex socket head bolt 6.0 Cylinder block Crank case M6x25 Hex socket head bolt (8 pcs.
An important point after buying a device Makita EM4350UH (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita EM4350UH yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita EM4350UH - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita EM4350UH you will learn all the available features of the product, as well as information on its operation. The information that you get Makita EM4350UH will certainly help you make a decision on the purchase.
If you already are a holder of Makita EM4350UH, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita EM4350UH.
However, one of the most important roles played by the user manual is to help in solving problems with Makita EM4350UH. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita EM4350UH along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
