Makita BTW104, BTW074 dimensions Necessary Repairing Tools

Models: BTW074 BTW104

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Repair

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

[1] NECESSARY REPAIRING TOOLS

Code No.

Description

Use for

1R004

Retaining Ring S Pliers

disassembling / assembling Ring spring 7

1R045

Gear extractor

disassembling / assembling Hammer section

1R222

Socket Adapter

securing Ring spring 7

1R288

Screwdriver magnetizer

removing Steel ball 5.6 from Spindle

[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.

Item No.

Description

Portion to lubricate

Amount

14

Anvil

 

Drum portion which is accepted by Needle bearing 1412 mounted in

a little

 

Hammer case complete

 

 

 

 

 

 

 

 

 

16

Steel ball 3.5

(24 pcs.)

Whole portion

a little

20

Spindle

 

(a) Tip portion which is inserted into 14 Anvil

a little

 

(b) in the hole where Spur gear 16 engages with Armature’s gear

approx. 2 g

 

 

 

25

Steel ball 5.6

(2 pcs.)

Whole portion

a little

 

 

 

 

 

Fig. 1

Ring spring 7

16

Washer 24

 

Hammer case

Compression spring 26

Cup washer 14

 

 

 

Hammer

(a)

 

 

 

 

20

 

 

 

(b)

 

25

Spur gear 16

Internal gear 39

 

(2pcs.)

 

 

Internal gear case

 

 

Yoke unit

 

 

29

 

 

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Makita BTW104, BTW074 dimensions Necessary Repairing Tools