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R

epair

[2] LUBRICATION

Apply the following grease to protect parts and product from unusual abrasion:

     Makita grease N. No.2 to the portions designated with the black triangle

     Makita grease FA. No.2 to the portions designated with the gray triangle

[1] NECESSARY REPAIRING TOOLS

CAUTION: Remove the battery from the machine for safety before repair/ maintenance ! 

Code No.

1R045

Description

Gear extractor (Large)

Disassembling Hammering mechanism

Magnetizing screwdriver for removing Steel balls

1R346

Center attachment for 1R045

1R288

Screwdriver magnetizer

Use for

Fig. 1

Anvil

Surface that contacts Hammer case complete

Whole surface

Steel ball 5.6 (2 pcs)

Whole surface

Steel ball 3.5 (24 pcs)

Spindle

Put 2g of Makita grease N. No.2 in the hole.
Surface that contacts Anvil

Item No.

Description

Portion to lubricate

Grease

1R041

Vise plate (2 pcs)

1R223

Torque wrench shaft

1R224

Ratchet head
Socket 32-50 (2 pcs)

134848-9

Removing Hammer case complete

Hammer case complete

Hammer

15

21

17

23

15

21

23

17

Armature

Summary of Contents for MAKSTAR BTW250 Series

Page 1: ...30 for BTW250 only Battery BL1830 for BTW251 only Fast charger DC18RA Charger DC24SA Charger DC24SC for BTW250 only Battery Specification Net weight kg lbs Capacity Ah Cell Voltage V 18 Driving shank...

Page 2: ...Large Disassembling Hammering mechanism Magnetizing screwdriver for removing Steel balls 1R346 Center attachment for 1R045 1R288 Screwdriver magnetizer Use for Fig 1 Anvil Surface that contacts Hammer...

Page 3: ...g box complete in 134848 9 Fit another 134848 9 over the hexagonal portion of Hammer case complete By turning 134848 9 clockwise with 1R223 and 1R224 the Hammer case section can be disassembled as ill...

Page 4: ...screwdriver magnetized using 1R288 Fig 7 9 Remove 1R045 by turning the handle counterclockwise 10 Remove Spindle Compression spring 25 and Cup washer 14 from Hammer as illustrated in Fig 8 Important...

Page 5: ...Bearing box complete side Fig 11 5 Assemble Hammer case complete to Bearing box as illustrated in Fig 12 Fig 12 ASSEMBLING Fig 11 Fig 10 Internal gear 51 Bearing box complete O ring 40 stepped end Fit...

Page 6: ...end of Armature If assembled wrong the Motor section cannot be assembled to Housing L Fig 14 2 Because Yoke unit is a strong magnet when assembling Armature to Yoke unit be sure to hold the commutator...

Page 7: ...s in Fig 19 are the Carbon brush section viewed from A Correct Wrong Lead wire of Carbon brush Lead wire correctly routed Torsion spring Tail of Torsion spring Tail of Torsion spring Circuit diagram C...

Page 8: ...in this corresponding corner of Housing L LED Connector large Connector small Light circuit rib Terminal side Switch side Do not cross the lead wires of LED here Lead wire orange pin lead wire holder...

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