background image

P 1

3

/ 1

4

M

aintenance  program

It is recommended to 

replace the following parts

 shown below and apply lubricant to the specific parts designated in 

Figs.2

 

and 3

 when replacing Carbon brushes. 

1   Cap 35

40  O ring 16

38 Ring spring
     28

29  Steel
      ball 7.0

35 Cushion
     ring 13

37  O ring 9

C

ircuit  diagram

Red

Blue

Brush holder (L)

Brush holder (R)

Yellow

Color index of lead wires' sheath

Black

Housing (R)
Side

Housing (

R

)

Side

Housing (

L

)

Side

Housing (

R

)

Side

Housing (

L

)

Side

Yoke unit

Switch

Terminal

Heat sink

Tape for
binding
Lead wires

FET

Housing (L)
Side

Fig. D-1

Summary of Contents for BHR241

Page 1: ...embly 1 set Depth gauge Stopper pole 1 pc SDS Plus bits Taper shank T C T bits Taper shank adapter Cotter Drill chuck assembly Chuck adapter Drill chuck S13 Bull points Dust Cup Grease Vessel 30g Blow...

Page 2: ...nd bar for Arbor 7 50 Removing Striker from Tool holder complete Removing Ring 8 from Cam shaft Removing Installing Retaining ring S 7 from to Cam shaft Removing Installing Ring spring 29 from to Tool...

Page 3: ...engages Refer to Fig 1 Teeth portion Space where Armature s drive end and 53 Helical gear 25 engages f Inside where Striker moves g Hole for accepting Piston joint h Surface where 30 Tool holder comp...

Page 4: ...Figs 6 and 7 2 Make sure that Change lever stops at every operation mode exactly after assembling Lock plate Drill mode Hammer drill mode large pin of Change lever small pin of Change lever Lock plat...

Page 5: ...ble Change lever as illustrated in Figs 4 and 5 3 Separate Gear housing complete from Motor housing Then remove Armature from Gear housing complete Figs 8 to 10 4 Disassemble Torque limiter section as...

Page 6: ...y without support Therefore insert Inner housing complete into Gear housing complete as a support ASSEMBLING Fig 20 Fig 19 1 Assemble Oil seal 25 to Gear housing complete in the order of Figs 17 and 1...

Page 7: ...lt section 3 DISASSEMBLY ASSEMBLY 3 7 Impact Bolt Section Fig 22 Fig 21 end of Ring spring 28 Ring spring 28 When the end of Ring spring 28 is in the hole of Tool holder complete slide the end to the...

Page 8: ...rom Motor housing complete And then remove Armature from Gear housing complete Refer to Figs 8 to 10 4 Remove Stop ring E 4 Flat washer 5 and Compression spring 6 from pin of Inner housing complete Fi...

Page 9: ...ash bearing section as a jig as follows Insert Cam shaft of Swash bearing section into the Ball bearing again Tilt the Ball bearing a little bit by moving Swash bearing section as illustrated to left...

Page 10: ...r will be clamped between Ball bearing 608ZZ and Helical gear 26 Repair P 10 14 11 Remove Helical gear 26 using 1R022 1R023 and 1R281 as illustrated to left in Fig 37 Swash bearing 10 and Clutch cam c...

Page 11: ...Piston joint hole for the pole of Swash bearing 10 Flat washer 12 Flat washer 12 Fig 40 Fig 41 2 Assemble Piston joint and two Flat washers 12 to Piston cylinder as illustrated in Fig 40 Note Do not f...

Page 12: ...them to Housing L ASSEMBLING Refer to Fig 47 Rubber pin 5 Pass Pin 1 5 through Rubber pin 5 And then assemble them to Battery housing set L as illustrated right Assemble Cushion to Battery housing set...

Page 13: ...Carbon brushes 1 Cap 35 40 O ring 16 38 Ring spring 28 29 Steel ball 7 0 35 Cushion ring 13 37 O ring 9 Circuit diagram Red Blue Brush holder L Brush holder R Yellow Color index of lead wires sheath...

Page 14: ...eat sink FET Yoke unit Bend Connecting terminal to Housing set L side as illustrated above Switch Fix the Brush holder s Lead wires red and black with Lead wire holder Switch Put the extra portion of...

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