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R

epair

[1] NECESSARY REPAIRING TOOLS

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

[2] LUBRICATION

Apply 

Makita grease FA. No.2

 to the following portions designated with the black triangle to protect

parts and product from unusual abrasion.

Fig. 1

Item No.

21

27

19

Description

Nylon washer 24

Hammer

Flat washer 24*

(1mm thickness/ Heat treated plate)

Flat washer 24*

(0.5mm thickness)

*They have the same inner diameter and outer diameter.

Spur gear 22

Compression spring 25

Hammer case complete

Amount

Portion to lubricate

25

19

Anvil

a little
a little
a little

approx. 2 g

21

Steel ball 3.5
Steel ball 5.6

In the accepting hole for Rotor
Drum portion

whole portion
whole portion

Spindle

25

27

In the accepting hole for  27  Spindle 

b

a

b         

a         

Code No.

Description

Use for

1R041

Holding Socket 32-50 when disassembling Hammer case 

1R045

Disassembling/assembling Hammer section

1R223
1R224

Disassembling Hammer case  (Use with 1R223.)

1R232

Holding Anvil when disassembling Bit holder section

1R288
1R291

134847-1

Disassembling/assembling Hammer case

134848-9

Disassembling/assembling Hammer case

P 2/ 14

Disassembling Hammer case

Torque wrench shaft 20-90 N·m

Gear extractor

Vise plate

Ratchet head 12.7
Pipe 30

Magnetizing a screwdriver for easy removal of steel balls

Screwdriver magnetizer

Removing Ring spring 11 of Bit holder section 

Retaining ring S & R Pliers
Socket 30-78
Socket 32-50

Summary of Contents for DTD148

Page 1: ...y Ah Cell Voltage V 18V 0 3 600 2 100 1 100 0 3 800 2 600 1 100 175 1 780 1 550 Standard bolt High tensile bolt Machine screw Driving shank M5 M16 3 16 5 8 M5 M14 3 16 9 16 Coarse thread 22 125mm 7 8...

Page 2: ...Steel ball 3 5 Steel ball 5 6 In the accepting hole for Rotor Drum portion whole portion whole portion Spindle 25 27 In the accepting hole for 27 Spindle b a b a Code No Description Use for 1R041 Hol...

Page 3: ...ews 4 Remove the entire of Motor section and Hammer case section from Housing set L 5 Pull out Hammer case section from Rotor shaft 1 Remove Bumper with a thin slotted screwdriver Fig 2 Bumper Thin sl...

Page 4: ...se Hammer case complete 1R224 1 Fit the hexagonal portion into that of Socket 32 50 134848 9 2 Fit Socket 30 78 134847 1 to the hexagonal portion of Hammer case complete 4 Now Hammer case section is d...

Page 5: ...ocket 32 50 134848 9 Turn 1R223 counterclockwise Note The fastening torque must be 45 to 55 N m 460 560 kgfcm Projection of Internal gear 51 Bearing box complete 1R224 Hammer case complete Socket 30 7...

Page 6: ...ecause Rotor attracts Stator complete with its very strong magnetic force Therefore Rotor must be removed from Stator complete as drawn in Fig 9 to protect Stator complete from damage DISASSEMBLING Ca...

Page 7: ...in Hammer case section make sure that Rotor gear engages with the two planet gears Spur gear 22 of Hammer case section to rotate Spindle smoothly Fig 13 Hammer case section Motor section 2 When the d...

Page 8: ...r 14 Anvil Anvil Sleeve Hammer case complete Anvil Use 1R232 for holding Sleeve firmly for easy removal of Ring spring 11 1R232 Ring spring 11 1R232 Fig 14 Fig 15 Fig 16 Ring spring 11 Sleeve Raise th...

Page 9: ...Fig 18 Fig 17 Fig 18 Fit two depressions of Stator unit to two projections of Housing set L and fit the projection of Hammer case complete to the depression of Housing set L Two depressions of Stator...

Page 10: ...emoving Flat washer 24 Steel balls 3 5 can be removed from Hammer Fig 19 Fig 21 Fig 22 Fig 20 Hammer 1 Pull Hammer downwards using 1R045 to align the opening for Steel ball insertion with the top of t...

Page 11: ...llow White Orange Purple Gray Color index of lead wires sheath Black Red AS Switch Connector Connector LED circuit Stator Terminal Fuse Heat shrink tube This Lead wire is This Lead wire is red for som...

Page 12: ...Lead wires between Rib C and Rib D Place Lead wires of LED light circuit under Lead wires from Stator unit Sponge attached to the Lead wires must be placed so that it comes on the dotted line as draw...

Page 13: ...ace Stator unit See the next page Connect it firmly Check Lead wires or replace it LED indicator lamps are on Switch is broken Yes Yes Yes Yes Yes No No No No No Controller is broken Rotor is broken S...

Page 14: ...minal Attach Black tester bar to one of UVW terminal connected with Red White Blue lead wires Fig D 6 There is no fault on FET of Controller if the tester indicates within 0 39V 0 41V in both Test 1 a...

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