background image

P  

3

18

R

epair

Apply 

Makita grease N. No.2

 to the following portions designated with the black triangle to protect

parts and product from unusual abrasion.

[1] NECESSARY REPAIRING TOOLS

CAUTION: Repair the machine in accordance with “Instruction  manual” or “Safety instructions”.

Code No.

Description

Use for

1R003

Retaining ring pliers ST-2N

Disassembling / Assembling retaining ring WR-15

1R045

Gear extractor

Disassembling  / Assembling Hammer

1R212

Tip for retaining ring pliers

Attachment for 1R003

1R223

Torque wrench shaft 20-90 N.m

Disassembling / Assembling Hammer case

1R224

Ratchet head 12.7

Attachment for 1R223

1R282

Round bar for 8-50

Disassembling  / Assembling Hammer

1R288

Screwdriver magnetizer

Removing Steel ball 5.6

1R291

Retaining ring S and R pliers

Mounting Retaining ring WR-15

1R351

Anvil holding Jig

Disassembling / Assembling Anvil

1R390

Cam A  assembling jig

Assembling Cam A

1R391

Hammer holding jig

Disassembling  / Assembling Hammer

Socket 32-50

134848-9

Disassembling / Assembling Hammer case

[2]-1 LUBRICATION

Fig. 1

Item No.

Description

Grease

2 g

a little

a little

Amount

Portion to lubricate

28

Between Cam A and Cam B

Surface where Hammer contacts

Whole portion

Whole portion

Whole portion
Whole portion

Anvil Section

28, 29

Cup washer

29 (Cam B)

33

37

38

37

38

37
38

Change case

32

32

30

30

33

32

41

41

42

44

41
42
44

Cam A, Cam B

Pin guide

Drum portion
Whole portion

Pin 1.2 - 3.5

Pin 2.5

Steel ball 3

Hammer change ring

Inside of the Ring

Hammer change plate

Tab portion

Steel ball 3.5
Anvil 
Steel ball 5.6

Gear case assembly

Hammer

45

45

Makita

grease N.

No.2

Summary of Contents for BTP131

Page 1: ...r mode Drill mode Hammer drill mode 0 2 800 0 700 0 1 100 0 300 0 2 300 0 600 4 Impacts per minute min ipm Impact driver mode Hammer drill mode 0 32 400 0 8 400 18 9 each for high low speeds Teks scre...

Page 2: ...Drill bits for masonry with 6 35mm Hex shank Phillips bits Socket bits Fast charger DC18RA for U S Canada Guam Panama Mexico and Columbia Fast charger DC18RC for all countries except U S Canada Guam...

Page 3: ...magnetizer Removing Steel ball 5 6 1R291 Retaining ring S and R pliers Mounting Retaining ring WR 15 1R351 Anvil holding Jig Disassembling Assembling Anvil 1R390 Cam A assembling jig Assembling Cam A...

Page 4: ...ression spring 13 a little 62 58 57 58 57 Spur gear 41 Spur gear 14B Teeth portion Teeth portion 54 53 51 54 53 a a Spindle portion b b Pins for Gears 57 58 Pins for Gears 63 63 62 Spur gear 14A compl...

Page 5: ...3 Separate Impact assembly from Motor section 2 Remove Impact assembly together with Motor section And separate Speed change lever assembly and a pair of Switch unit Motor section Housing L Motor sec...

Page 6: ...et assembly Hammer section Steel ball 3 6 pcs Steel ball 5 6 Spur gear 41 Spur gear 14B 5 pcs Spur gear 21 3 pcs Gear case assembly Anvil Compression spring 5 1 Remove Pin guide and Pin 1 2 3 5 from t...

Page 7: ...d be Now Retaining ring WR 15 can be removed with Pliers Anvil wings 2 Put Anvil wings onto Shallow notches of 1R351 and set 1R390 to Retaining ring WR 15 2 Press down Anvil with Arbor press Retaining...

Page 8: ...il on 1R351 while fitting its wings to Shallow notch of 1R351 And set Gear case assembly to the Anvil O ring 12 5 3 Set 1R390 on the Cam A and press it with Arbor press until Cam A stops 4 While expan...

Page 9: ...Change case Elliptical hole 1 Align the elliptical hole of Change case to that of Gear case assembly by turning Change case The groove of Change sleeve is seen through the elliptical holes of Change c...

Page 10: ...hem with Grease 3 Provisionally assemble Hammer case assembly to Gear case assembly by turning it clockwise Sleeve 24 Leaf spring Steel ball 5 6 Hammer case assembly Change ring Compression spring 5 S...

Page 11: ...ge lever to Motor bracket assembly while aligning three arms of Change lever to the inner grooves of Motor bracket assembly Spur gear 21 3 pcs Spur gear 14A Internal gear 41 Change lever Groove for Pi...

Page 12: ...g 3 to Speed change lever assembly 2 Mount Speed change lever assembly by fitting the space between two Compression springs to the projection of Change lever Put end of Spring in this frame Compressio...

Page 13: ...Ball bearing 6805LLB 2 Mount 1R391 to Hammer by fitting its deep notches to Hammer projections 1 Insert 1R282 into the hole of Spindle complete 4 Turn the handle clockwise until the opening for Steel...

Page 14: ...e top on Spindle Fig 19 6 Mount Steel ball 5 6 2 pcs Fig 19 7 Mount Ball bearing 6805LLB and Bearing case to Spindle complete And mount 6 pcs of Steel ball 3 to Outer hammer Fig 18 Fig 20 1 In order t...

Page 15: ...ator down to separate it from Rotor Rotor Stator set Insert Rotor into Stator set on Work bench held by hand to control strong Magnet force of Rotor Slowly lift up Stator set while controlling the mag...

Page 16: ...in Connector This Lead wire is white in stead of red in case of 18V model Three pin Connector Switch units for detecting work mode Terminal AS White Orange Blue Yellow Gray Color index of lead wires s...

Page 17: ...es black to Pin on the Housing L side Switch unit for detecting work mode with Lead wires black Pass the Lead wires between Rib A and Rib B and between Rib C and Rib D Rib A Rib D Rib C Rib B Do not l...

Page 18: ...e Lead wires from Stator between these Ribs Route all of the Lead wires within these ribs Do not let Lead wires cross the ribs Route Lead wires from Controller to Terminal behind Ribs on Controller Fi...

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