Makita EM4350UH Technical Information page 21

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[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. 88, then insert them into
the holes in Cylinder block assembly. (Fig. 89)
(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. 87 and 86,
then while pushing Compression springs 11, pass the valve tops through the holes of Retainers, (Figs. 90 and 91)
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. 85)
Fig. 88
10mm up to
15mm
4-cycle engine oil
Fig. 90
Cotters
Intake valve
Rag to prevent Valves from falling
10mm up to
15mm
Exhaust valve
Fig. 89
Holes in Cylinder
block assembly
Fig. 91
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