Makita EM4350UH, EM4351UH, EM4350LH specifications Engine and Shaft, Assembly

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Repair

[4]DISASSEMBLY/ASSEMBLY

[4]-2. Engine and Shaft

(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. (Fig. 2)

(3)Disconnect Bullet terminals of Earth wire and Primary wire of Ignition coil from the wires of Stop switch. (Fig. 2)

(4)Remove Control cable from Swivel of Carburetor; loosen the three nuts on Control cable to release the tension between Swivel and Cable bracket of Insulator, then remove the stopper on Inner cable end from Swivel. (Fig. 3)

(5)For EM4351UH: Remove M5x8 Hex socket head bolt and M6x30 Hex socket head bolt in the holes of Pipe housing. (Fig. 4)

For EM4350UH and EM4350LH: Remove M5x8 Hex socket head bolt and M6x30 Hex socket head bolt from

the threaded holes of Clutch case. (Fig. 5)

(6)Grab Shaft pipe complete by hand, then pull it off from Clutch case.

If Shaft sticks in Clutch case, use water pump pliers or the like to pull it off.

Note: Be sure to wrap Shaft with a rag or the like to protect it from water pump pliers. (Fig. 6)

Fig. 1

Fig. 2

 

M5x20 Hex socket

 

head bolt

Cleaner cover

Tab of

Cleaner plate assembly

assembly

 

Swivel of Carburetor

Cleaner plate assembly

Inner cable

 

Clamp

 

Control cable

Bullet terminals

 

5x16

 

Tapping

 

screw

 

Fig. 3

Swivel of Carburetor

Stopper on Inner cable end

Cable bracket of Insulator

Nut on Control cable end (3 pcs.)

Fig. 4

Holes of Pipe housing

M5x8 Hex socket head bolt

M6x20 Hex socket head bolt

Fig. 5

 

Threaded holes

 

of Clutch case

M5x8 Hex socket

M6x20 Hex

head bolt

socket head bolt

Fig. 6

Shaft pipe complete

Rag

Shaft

 

 

 

 

Water pump

 

 

pliers

Image 3
Contents EM4350UH EM4350LH EM4351UH SpecificationOptional accessories Standard equipmentRepair Necessary Repairing ToolsEngine and Shaft AssemblyShaft pipe complete AssemblingDisassembling Repair DISASSEMBLY/ASSEMBLY 4-3. Shaft pipe complete DISASSEMBLY/ASSEMBLY Gear case assembly Clutch shoe Clutch drum For 4350LH and 4350UH For 4351UHIgnition system Checking Plug CAPChecking Spark Plug Flywheel Removing Ignition CoilMounting Ignition Coil Reel. Figs Repair DISASSEMBLY/ASSEMBLY 4-9. Recoil starterCarburetor section DISASSEMBLING/ Cleaning CarburetorMounting Carburetor Repair DISASSEMBLY/ASSEMBLY 4-10. Carburetor sectionAssembling Carburetor Vacuum Leak Test of CarburetorFuel Tube Routing Stop switch sectionChecking Stop Switch Fuel tube sectionEngine block Side rail Top ring Second ring Spacer Ring gap Ring gapRepair DISASSEMBLY/ASSEMBLY 4-13. Engine block Valve section DISASSEMBLY/ASSEMBLY EM4350UH Tightening torque specifications