Nitto EMB-0307B, Instruction Manual

8

Remember that chamfering level changes depending 

on the radii in this case.

Fig.13

Plate D

Min.12

Fig.14

6. HOW TO REPLACE INDEXABLE INSERT

WARNING

● 

Be sure to turn the switch OFF and remove 

the power plug from power supply whenever 

replacing Indexable Insert.

● 

The Indexable Insert and the Holder are much 

heated right after the operation. Always wear 

gloves in handling the Indexable Insert and the 

Holder.

(1) Lay down the Knob with it pulled up. (Fig.15, 16)

(2) Open the Lock Plate with the Knob laid down. 

(Fig.17)

(3) Remove the Indexable Insert Set Screw using the 

Spanner T-15D attached to take off the Indexable 

Insert. (Fig.17)

(4) Mount a new Indexable Insert (including use of 

reverse surface) paying attention to the direction of 

the IndeXable Insert. (Fig.17)

(5) Close the Lock Plate with the Knob laid down and 

lay the Knob aside to lock it. (Fig.18)

PULL
UP

Knob

Fig.15

LAY
DOWN

Fig.16

OPEN

Lock Plate

Indexable Insert

Indexable Insert
         Set Screw

Fig.17

CLOSE

①

PUSH

②

Fig.18

7. MAINTENANCE AND INSPECTION

WARNING

● 

Be sure to turn the switch OFF and remove 

the power plug from power supply during 

maintenance and inspection.

● 

Perform periodic inspection to check for 

loosening of the attachment screws for each 

part. Retighten loose screws as required.

7-1. Replacing the Carbon Brushes

● 

After replacing the carbon brushes, always run 

the unit for at least 10 minutes under no load 

conditions.

Periodically check for wear on the Carbon Brushes, 

because as rectification deteriorates the likelihood 

Plate D

A

φ

200 

〜φ

300

Hex. Nut M8

①

Hex. Socket Set Screw
8

×

25 special

①

A

Hex. Socket Set Screw
8

×

25 special

①

Hex. Nut M8

①

Dimension

Ball Shape

Min.

φ

300

A

A

Plate D