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Repair

[4]DISASSEMBLY/ASSEMBLY [4]-13. Engine block (cont.)

ASSEMBLING

Assemble by reversing the disassembly procedure.

[4]-14. Valve section

DISASSEMBLING

(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. The rag works as protection of the inside of Cylinder block assembly.

(3)Remove Cotters, Retainers and Compression springs 11 from Intake valve and Exhaust valve with 1R389 and 1R005. (Figs. 90 and 91)

Fig. 89

Fig. 91

Rocker arm assembly (2 pcs.)

Pin 5

Fig. 90

1R389

1R005

Cotter

(4 pcs.)

Cotter (4 pcs.)

Retainer (2 pcs.)

Compression spring 11 (2 pcs.)

Exhaust

Intake

valve

valve

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Makita EM4350LH, EM4350UH, EM4351UH specifications Valve section