Tightening Torque List

Location

Screw type

Q'ty

Tightening torque

Loosening torque

 

 

 

(kg•cm)

(kg•cm)

 

 

 

 

 

 

Option cover

Screw, pan (washer) M3x8DB

2

4

±1

2 to 6

 

 

 

 

 

 

ADF parts

Taptite, pan (washer) B M3x6

1

4

±1

2 to 6

Panel rear cover

Taptite, cup B M3x8

2

6

±1

2 to 6

 

 

 

 

 

 

Scanner frame ASSY

Taptite, cup B M3x10

2

9

±2

2 to 6

Scanner motor

Screw, pan (washer) M3x6DA

1

7

±2

Min. 2

Scanner grounding leaf spring

Taptite, cup S M3x6

1

7

±2

Min. 2

CIS shield plate

Taptite, cup S M3x6

1

7

±2

Min. 2

Pinch roller leaf spring

Taptite, cup B M3x8

1

8

±2

Min. 2

Control panel locks

Taptite, cup B M3x8

2

8

±2

Min. 2

Scanner drive unit

Taptite, cup B M3x8

1

8

±2

Min. 2

 

Taptite, cup B M3x10

1

8

±2

Min. 2

 

 

 

 

 

 

Top cover stopper

Taptite, cup S M3x6

2

8

±2

Min. 2

Hinges on top cover

Taptite, bind B M4x12

4

10 ±2

3 to 6

Hinges on main cover

Taptite, cup B M4x12

4

10 ±2

3 to 6

 

 

 

 

 

 

Handset mount

Taptite, cup B M3x10

2

8

±2

2 to 6

 

 

 

 

 

Heat-fixing unit

Taptite, bind B M4x12

1

10 ±2

4 to 6

 

 

 

 

 

 

Laser unit

Taptite, bind B M4x12

3

8

±2

3 to 6

Toner sensor PCB

Taptite, cup B M3x8

1

6

±2

3 to 5

 

 

 

 

 

Bottom plate

Taptite, bind B M4x12

7

10 ±2

3 to 6

 

Taptite, cup S M3x6

3

8

±2

2 to 6

AC grounding wire

Screw, pan (washer) M4x8DB

1

6

±2

2 to 9

Interface connector

Screw, pan M3x6

2

8

±2

Min. 4

 

 

 

 

 

 

Low-voltage power supply PCB

Taptite, cup S M3x6

1

8

±2

2 to 6

Main PCB

Taptite, bind B M4x12

1

10 ±2

2 to 6

High-voltage power supply PCB

Taptite, bind B M4x12

1

10 ±2

3 to 6

 

 

 

 

 

Gear drive unit

Taptite, cup B M4x20

3

12 ±2

3 to 6

Main motor

Taptite, cup S M3x8

2

8

±2

Min. 4

 

 

 

 

 

NCU bracket

Taptite, bind B M4x12

1

10 ±2

3 to 6

NCU PCB

Taptite, cup S M3x6

1

8

±2

2 to 6

 

 

 

 

 

 

Scanner grounding plate

Taptite, cup B M3x8

1

6

±2

2 to 6

 

 

 

 

 

 

IV - 2

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Image 40
Brother FAX-8650P service manual Tightening Torque List