Hitachi ED-X20EF Service Manual page 48

ED-X20EF (M1-20ED)
8. Attaching the PWB assembly MAIN
Note:
Use the suitable screw for each screw holes when attaching the main board.
Black screw (Tapping screw) White screw (Meter screw)
9. Replacing the air filter.
Note:
(1) Make sure to fit the concave part of the air filter to the convex part of the filter case.
(2) Hook the air filter to the 8 hooks of the filter case.
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