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 5

7

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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

.

3x16 Tapping screw (5pcs.)

Housing set (R)

Separate Housing set (R)
from Housing set (L) by
unscrewing 3x16 Tapping
screws.

Yoke
unit

Motor  Section

Armature

Switch lever

Remove Switch lever and Link.

Link

Fig. 12

Fig. 13

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

notch

 notch

Torsion spring

Carbon brush

Carbon brush

 Tail of Torsion spring

Carbon brush

Carbon brush

Disconnect Carbon brush from
the commutator of Armature by
pulling up.
Then disssemble Armature and
Yoke unit from Brush holder.

Armature

Armature

Pull off Armature from
Yoke unit.

Yoke unit

Yoke unit

Fig. 14

Fig. 15

Fig. 16

Brush holder complete

Remove York unit, Brush holder complete
and Armature in a set when removing
Motor section.

Brush holder

Summary of Contents for BDA340

Page 1: ...o 1 Offered to All countries All countries except North America North America BDA340 BDA350Z No Model No type quantity Charger No Battery No BDA350 DC18RA BDA350RF 1 Plastic carrying case BDA350RFE 2...

Page 2: ...ar 29 from Spiral bevel gear 9 Removing Ball bearings Removing Retaining ring S 12 Code No Bearing setting plate 17 2 1R036 Gear Extractor large 1R045 Round bar for Arbor 6 50 1R280 Bearing extractor...

Page 3: ...Drill chuck S10 Spiral bevel gear 26 Remove Ball bearing 608ZZ with 1R269 Remove Retaining ring S 12 with 1R291 Ball bearing 608ZZ Retaining ring S 12 1R269 1R291 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 Drill c...

Page 4: ...with plastic hammer Now Gear section can be removed from Gear housing 4x45 Tapping screw 4pcs Gear housing Gasket Motor housing Gear housing cover Gear housing Gear housing cover Gear section Fig 8 F...

Page 5: ...ure Switch lever Remove Switch lever and Link Link Fig 12 Fig 13 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 To...

Page 6: ...in Figs 13 and 14 Commutator of Armature Commutator of Armature Correct Wrong Fig 12R Fig 13 Fig 14 Fig 12F Switch side Housing set L Motor Section Housing set R Housing set L Carbon brush Brush hold...

Page 7: ...s connected with Connector of Switch in the next step Lead wire holders Wiring of LED Circuit before setting Switch and other electrical Parts Wiring after setting Switch and other electrical parts Te...

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