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Position the plate of the Dust Guard Fin
[28] under the rib of housing (A).
(d) Mount the DC-Speed Control Switch [38] to housing (A) so that the protrusion of the forward/reverse lever
at the top of the switch is inserted into the U-shaped groove of the Pushing Button [39]. Apply silicone
grease (KS609, Shin-Etsu Chemical Co., Ltd.) to the contacting surfaces of the FET of the DC-Speed
Control Switch [38] and the Dust Guard Fin [28] then mount them to Housing (A) [35].
(Note) The temperature of the FET may be high if the silicone grease is not applied. Make sure that the
three internal wires from the FET are passed above the DC-Speed Control Switch [38] (See
Fig. 14).
Fig. 13
Apply silicone rubber.
Align the projection of housing (A) to
the notch of Magnet (C) Ass'y [27].
Housing (A)
Fig. 14
