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 4

8

R

epair

DISASSEMBLING

Fig. 6

Fig. 7

Fig. 8

Fig. 9

Fig. 10

[3]-2 Spiral Bevel Gear 26

(1) Remove Keyless drill chuck as illustrated in Figs. 2 and 3 / Figs. 2A and 3A. And disassemble Bearing retainer as
      
illustrated in Figs. 4 and 5.
(2) Disassemble Spiral bevel gear 26 in the order of  Figs. 6to 10.

Remove Gear section by striking 
the edge of Gear housing. 

Remove Bearing box from
Spindle.
Bearing box can be removed
by hand. 

Spiral bevel gear 26

Bearing box

Spindle

Spindle

Ball bearing
6001DDW

Ball bearing 
608ZZ

Ball bearing 608ZZ

Retaining
ring S-12

1R269

Bearing box

Spiral bevel 
gear 26

Spiral bevel 
gear 26

Spiral bevel gear 26 can 
be removed by hand.
Then remove Key 4.

Remove Retaining ring S-12
with 1R291. 

Remove Ball bearing 608ZZ
with 1R269. 

Retaining ring S-12

Key 4

Key 4

1R291

ASSEMBLING

Do the reverse of the disassembling steps.
Note: Do not forget to assemble Key 4 to Spindle.   Refer to Fig. 10.

To fit 1R292 to the notch of Bearing
retainer, enlarge this width from 30mm
to 36mm
 by grinding 1R292.

1R292

notch for fitting 
1R292

Bearing retainer

Clamp the machine
with vise.

Remove Bearing retainer 36-43 with 1R292
by turning it clockwise.

1R292

Bearing retainer 36-43

Fig. 4

Fig. 5

Summary of Contents for BDA341

Page 1: ...40 BDA350 See Technical Information of BDA340 BDA350 for detailed information Dimensions mm Width W Height H Length L 326 12 7 8 BDA341 BDA351 79 3 1 8 97 3 13 16 115 4 1 2 These products are availabl...

Page 2: ...ng Removing Keyless drill chuck Removing Ball bearings Removing Retaining ring S 12 Code No Bearing setting pipe 23 15 2 1R029 Drill chuck extractor 1R139 Bearing extractor 1R269 Retaining ring S and...

Page 3: ...R139 modified as shown in Fig 2A 1R139 1 Do the reverse of the disassembling steps Refer to Figs 3 and 2 or Figs 3A and 2A 2 Turn the machine or Hex wrench clockwise to tighten Keyless drill chuck The...

Page 4: ...earing 608ZZ Ball bearing 608ZZ Retaining ring S 12 1R269 Bearing box Spiral bevel gear 26 Spiral bevel gear 26 Spiral bevel gear 26 can be removed by hand Then remove Key 4 Remove Retaining ring S 12...

Page 5: ...iral bevel gear 9 Spur gear 29 can be disassembled from the shaft of Spiral bevel gear 9 Separate Lock ring from Spur gear 29 Lock cam and Pin 3 5 can be removed from Spur gear 29 ASSEMBLING Fig 15 Fi...

Page 6: ...ature Switch lever Remove Switch lever and Link Link Fig 16 Fig 17 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...

Page 7: ...in Figs 22 and 23 Commutator of Armature Commutator of Armature Correct Wrong Fig 21R Fig 22 Fig 23 Fig 21F Switch side Housing set L Motor Section Housing set R Housing set L Carbon brush Brush hold...

Page 8: ...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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