Makita BDA340RFE Informações técnicas - Página 5

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[3] DISASSEMBLY/ASSEMBLY

[3]-4. Motor Section

DISASSEMBLING

(1) Disassemble Gear housing and Gear housing cover from Motor housing by unscrewing 4x45 Tapping screws. (Fig. 8)

(2) Remove Motor section from Housing set (L) in the order of Figs.12, 13.

(3) When removing Armature from Brush holder, take the steps illustrated in Figs. 14, 15 and 16.

Fig. 12

3x16 Tapping screw (5pcs.)

Remove York unit, Brush holder complete

and Armature in a set when removing

Motor section.

Remove Switch lever and Link.

Fig. 14

Shift the tail of Torsion spring from top of Carbon brush

to the notch of Brush holder. Now Carbon brush is free

from the pressure of Torsion spring.

tail of Torsion spring

Carbon brush

Fig. 15

Disconnect Carbon brush from

the commutator of Armature by

pulling up.

Then disssemble Armature and

Yoke unit from Brush holder.

Carbon brush

Housing set (R)

Separate Housing set (R)

from Housing set (L) by

unscrewing 3x16 Tapping

screws.

Torsion spring

notch

Armature

Yoke unit

Fig. 13

Yoke

unit

Link

Switch lever

Tail of Torsion spring

Fig. 16

Carbon brush

Brush holder

P 5/ 7

Motor Section

Brush holder complete

Armature

Carbon brush

notch

Pull off Armature from

Yoke unit.

Armature

Yoke unit