P 2/ 8

Repair

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

[1] NECESSARY REPAIRING TOOLS

Code No.

Description

Use for

 

 

 

1R030

Bearing setting pipe 25-17.2

assembling Spur gear 31 to Crank shaft

 

 

 

1R032

Bearing setting plate 8.2

supporting Crank shaft when assembling Spur gear 31

 

 

 

1R217

Ring 22

supporting Spur gear 31 when removing Crank shaft

1R282

Round bar for Arbor 8-50

removing Crank shaft from Spur gear 31

 

 

 

[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

 

Spur gear 31

Teeth portion where the small gear of 10 engages

Approx. 3 g

 

Gear complete 16-36 Teeth portion of large gear where Armature’s gear engages

Approx. 4 g

 

Ram

a

Currve of hourglass shaped portion

Approx. 1 g

 

b

narrow portion between small rim and large rim

Approx. 1 g

 

 

Fig. 1

 

Gear housing

Rod

 

 

 

complete

 

 

 

 

 

 

 

Crank shaft

 

 

 

 

 

Punch holder

 

[3]DISASSEMBLY/ASSEMBLY

[3]-1. Gear housing complete

DISASSEMBLING

(1)Separate Gear housing complete as drawn in Fig. 2.

Fig. 2

1.Remove Lock nut with Wrench 32 by turning it counterclockwise.

2.Separate Gear housing complete together with Die holder section from Gear housing cover complete by unscrewing four 4x40 Tapping screws.

Lock nut

Gear housing

Gear housing

Gear housing

complete

cover complete

complete

 

Wrench 32

4x40 Tapping screw

 

(4 pcs.)

Die holder section

Page 2
Image 2
Makita BJN160, BJN161 (LXNJ01*1) specifications Repair, Gear housing complete, Disassembling

BJN161 (LXNJ01*1), BJN160 specifications

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