Makita EM4350UH, EM4351UH, EM4350LH specifications Disassembly/Assembly

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Repair

[4]DISASSEMBLY/ASSEMBLY

[4]-14. Valve section (cont.)

ASSEMBLING

(1)Apply 0.05cc of 4-cycle engine oil to Exhaust valve and Intake valve as drawn in Fig. 92, then insert them into the holes in Cylinder block assembly. (Fig. 93)

(2)Push a rag into Cylinder block assembly so as not to fall off Intake valve and Exhaust valve.

(3)Assemble Retainers, Cotters and Compression spring 11 to Cylinder block assembly as drawn in Figs. 91 and 90, then while pushing Compression springs 11, pass the valve tops through the holes of Retainers, (Figs. 94 and 95) Then assemble Retainers, cotters and valves each other.

Note: If it is difficult to assemble them, use 1R389 with 1R005.

(4)Set Pin 5 and two Rocker arm assemblies in place of Cylinder block assembly. (Fig. 89)

Fig. 92

10mm up to	10mm up to
15mm	15mm
	4-cycle engine oil

Fig. 93

Holes in Cylinder block assembly

Fig. 94 Fig. 95

Cotters

Exhaust valve

Intake valve

Rag to prevent Valves from falling