Brother Facsimile Equipment MFC7420 - Manual (Page 73)

Confidential 5 -2
Tightening Torque
Location of screw Screw type Q'ty Tightening torque
N•m (kgf•cm)
Side cover L Taptite, bind B M4x12 2 0.79
±
0.1 (8
±
1)
Side cover R Taptite, bind B M4x12 2 0.79
±
0.1 (8
±
1)
Ground wire Taptite, cup S M3x6 1 0.78
±
0.1 (8
±
1)
Upper document chute Taptite, cup B M3x10 3 0.49
±
0.1 (5
±
1)
Lower document chute Taptite, cup B M3x10 2 0.49
±
0.1 (5
±
1)
ADF FG harness Taptite, cup S M3x6 1 0.78
±
0.1 (8
±
1)
ADF motor Taptite, bind S M3x6 1 0.69
±
0.1 (8
±
1)
Document cover ASSY Taptite, bind S M3x6 1 0.78
±
0.1 (8
±
1)
Hinge ASSY L Taptite, bind B M4x12 3 0.49
±
0.1 (5
±
1)
Hinge arm Taptite, bind B M4x12 1 0.78
±
0.1 (8
±
1)
Panel unit Taptite, cup B M3x10 4 0.49
±
0.1 (5
±
1)
NCU unit Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
NCU FG harness Screw, pan (s/p washer) M3.5x6 1 0.49
±
0.1 (5
±
1)
NCU shield plate Screw, pan (s/p washer) M3.5x6 1 0.49
±
0.1 (5
±
1)
NCU PCB ASSY Taptite, cup S M3x6 2 0.29
±
0.1 (3
±
2)
Rear cover stopper Taptite, bind B M4x12 1 0.29
±
0.1 (3
±
1)
Inner chute Taptite, bind B M4x12 2 0.29
±
0.1 (3
±
1)
Joint cover Taptite, bind B M4x12 2 0.49
±
0.1 (5
±
1)
Fixing unit Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
Halogen heater Screw, pan (s/p washer) M3x8 2 0.59
±
0.05 (6
±
0.5)
Thermistor ASSY Taptite, cup B M3x12 1 0.59
±
0.1 (6
±
1)
High voltage PS PCB Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
Taptite, cup S M3x6 2 0.69
±
0.1 (7
±
1)
Main PCB Taptite, cup S M3x6 4 0.69
±
0.1 (7
±
1)
Taptite, flat S M3x8 2 0.69
±
0.1 (7
±
1)
LV shield plate cover Taptite, cup S M3x6 2 0.59
±
0.1 (6
±
1)
Screw, pan (s/p washer) M3.5x6 3 0.49
±
0.1 (5
±
1)
LV shield plate Taptite, bind B M4x12 1 0.78
±
0.1 (8
±
1)
Screw, pan (s/p washer) M3.5x6 1 0.49
±
0.1 (5
±
1)
Taptite, flat S M3x8 2 0.59
±
0.1 (6
±
1)
PS PCB Taptite, cup S M3x6 2 0.69
±
0.1 (7
±
1)
Laser unit Taptite, cup S M3x6 4 0.69
±
0.1 (7
±
1)
Air duct Taptite, cup S M3x6 1 0.69
±
0.1 (7
±
1)
Sub chute ASSY Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
Laser unit Taptite, cup S M3x6 4 0.69
±
0.1 (7
±
1)
Air duct Taptite, cup S M3x6 1 0.69
±
0.1 (7
±
1)
Sub chute ASSY Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
Regist sensor PCB ASSY Taptite, bind B M3x6 1 0.39
±
0.1 (4
±
1)
Base plate Taptite, bind B M4x12 3 0.78
±
0.1 (8
±
1)
Toner sensor PCB Taptite, cup B M3x6 1 0.39
±
0.1 (4
±
1)
Gear plate calking ASSY Taptite, bind B M4x12 5 0.78
±
0.1 (8
±
1)
Main motor Taptite, cup S M3x6 3 0.69
±
0.1 (7
±
1)
P/R solenoid ASSY Taptite, bind B M3x10 1 0.49
±
0.1 (5
±
1)
F/R solenoid ASSY Taptite, bind B M3x10 1 0.49
±
0.1 (5
±
1)
Main frame L Taptite, bind B M4x12 2 0.78
±
0.1 (8
±
1)
Main frame R Taptite, bind B M4x12 3 0.78
±
0.1 (8
±
1)