Brother International MFC-7050C Service Manual - Page 34

Tightening, Torque

Get Brother International MFC-7050C PDF manuals and user guides View all Brother International MFC-7050C manuals
Add to My Manuals
Save this manual to your list of manuals

Page 34 highlights

Tightening Torque List Location Screw type Q'ty Tightening torque Loosening torque N•cm (kg•cm) N•cm (kg•cm) ADF parts Panel rear cover Taptite, pan (washer) B M3x6 Taptite, cup B M3x8 1 39 ±10 (4 ±1) 20 to 59 (2 to 6) 2 59 ±20 (6 ±2) Min. 20 (Min. 2) Scanner frame ASSY Grounding terminals Scanner motor Control panel locks Pinch roller leaf spring Scanner drive unit Taptite, cup B M3x10 2 88 ±20 (9 ±2) Min. 20 (Min. 2) Taptite, cup S M3x6 2 69 ±20 (7 ±2) Min. 20 (Min. 2) Screw, pan (washer) M3x6DA 1 69 ±20 (7 ±2) Min. 20 (Min. 2) Taptite, cup B M3x8 2 78 ±20 (8 ±2) Min. 20 (Min. 2) Taptite, cup B M3x8 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Taptite, cup B M3x10 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Taptite, cup B M3x8 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Rear cover Taptite, bind B M4x12 4 98 ±20 (10 ±2) Min. 20 (Min. 2) Auto sheet feeder (ASF) Taptite, cup S M3x6 Taptite, cup B M3x10 2 78 ±20 (8 ±2) Min. 20 (Min. 2) 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Inner cover Taptite, bind B M4x12 3 98 ±20 (10 ±2) Min. 20 (Min. 2) Upper cover ASSY Grounding wires Taptite, cup S M3x6 Taptite, bind B M4x12 Taptite, cup S M3x6 2 78 ±20 (8 ±2) Min. 29 (Min. 3) 2 98 ±20 (10 ±2) Min. 29 (Min. 3) 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Top cover Hinges Taptite, bind B M4x12 Taptite, bind B M4x12 2 98 ±20 (10 ±2) Min. 29 (Min. 3) 4 98 ±20 (10 ±2) Min. 29 (Min. 3) Handset mount Taptite, cup B M3x10 2 78 ±20 (8 ±2) Min. 20 (Min. 2) Top cover lock spring Taptite, bind B M4x12 1 98 ±20 (10 ±2) Min. 29 (Min. 3) Speaker spring Taptite, bind B M4x12 1 98 ±20 (10 ±2) Min. 29 (Min. 3) Main PCB Taptite, cup S M3x6 4 78 ±20 (8 ±2) Min. 20 (Min. 2) Video PCB Taptite, cup B M3x10 1 78 ±20 (8 ±2) Min. 20 (Min. 2) Bottom plate Taptite, cup S M3x6 Taptite, bind B M4x12 2 78 ±20 (8 ±2) 20 to 59 (2 to 6) 6 98 ±20 (10 ±2) Min. 29 (Min. 3) Power supply PCB Taptite, cup S M3x6 2 49 ±20 (5 ±2) Min. 20 (Min. 2) Grounding wire for AC cord Screw, pan (washer) M4x6DB 1 49 ±20 (5 ±2) Min. 20 (Min. 2) I/F connector on interface PCB Screw, pan M3x6 2 78 ±20 (8 ±2) Min. 20 (Min. 2) Frame grounding wire Taptite, cup S M3x6 1 49 ±20 (5 ±2) Min. 20 (Min. 2) NCU PCB Taptite, bind B M4x12 1 98 ±20 (10 ±2) Min. 29 (Min. 3) Frame chassis ASSY Paper Feed motor Carrier transport motor Base frame Gear plate ASSY Taptite, bind B M3x10 Taptite, bind B M4x12 Taptite, bind S M3x5 Taptite, bind S M3x5 Taptite, bind P M3x8 Taptite, bind S M3x5 2 78 ±20 (8 ±2) Min. 20 (Min. 2) 4 98 ±20 (10 ±2) Min. 29 (Min. 3) 2 78 ±20 (8 ±2) Min. 20 (Min. 2) 2 78 ±20 (8 ±2) Min. 20 (Min. 2) 2 78 ±20 (8 ±2) Min. 20 (Min. 2) 2 78 ±20 (8 ±2) Min. 20 (Min. 2) IV - 2

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
Tightening
Torque
List
Location
Screw
type
Q'ty
Tightening
torque
N•cm
(kg•cm)
Loosening
torque
N•cm
(kg•cm)
ADF
parts
Taptite,
pan
(washer)
B
M3x6
1
39
±10
(4
±1)
20
to
59
(2
to
6)
Panel
rear
cover
Taptite,
cup
B
M3x8
2
59
±20
(6
±2)
Min.
20
(Min.
2)
Scanner
frame
ASSY
Taptite,
cup
B
M3x10
2
88
±20
(9
±2)
Min.
20
(Min.
2)
Grounding
terminals
Taptite,
cup
S
M3x6
2
69
±20
(7
±2)
Min.
20
(Min.
2)
Scanner
motor
Screw,
pan
(washer)
M3x6DA
1
69
±20
(7
±2)
Min.
20
(Min.
2)
Control
panel
locks
Taptite,
cup
B
M3x8
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Pinch
roller
leaf
spring
Taptite,
cup
B
M3x8
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Scanner
drive
unit
Taptite,
cup
B
M3x10
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Taptite,
cup
B
M3x8
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Rear
cover
Taptite,
bind
B M4x12
4
98
±20
(10
±2)
Min.
20
(Min.
2)
Auto
sheet
feeder
(ASF)
Taptite,
cup
S
M3x6
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Taptite,
cup
B
M3x10
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Inner
cover
Taptite,
bind
B M4x12
3
98
±20
(10
±2)
Min.
20
(Min.
2)
Upper
cover
ASSY
Taptite,
cup
S
M3x6
2
78
±20
(8
±2)
Min.
29
(Min.
3)
Taptite,
bind
B M4x12
2
98
±20
(10
±2)
Min.
29
(Min.
3)
Grounding
wires
Taptite,
cup
S
M3x6
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Top
cover
Taptite,
bind
B M4x12
2
98
±20
(10
±2)
Min.
29
(Min.
3)
Hinges
Taptite,
bind
B M4x12
4
98
±20
(10
±2)
Min.
29
(Min.
3)
Handset
mount
Taptite,
cup
B
M3x10
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Top
cover
lock
spring
Taptite,
bind
B
M4x12
1
98
±20
(10
±2)
Min.
29
(Min.
3)
Speaker
spring
Taptite,
bind
B
M4x12
1
98
±20
(10
±2)
Min.
29
(Min.
3)
Main
PCB
Taptite,
cup
S
M3x6
4
78
±20
(8
±2)
Min.
20
(Min.
2)
Video
PCB
Taptite,
cup
B
M3x10
1
78
±20
(8
±2)
Min.
20
(Min.
2)
Bottom
plate
Taptite,
cup
S
M3x6
2
78
±20
(8
±2)
20
to
59
(2
to
6)
Taptite,
bind
B M4x12
6
98
±20
(10
±2)
Min.
29
(Min.
3)
Power
supply
PCB
Taptite,
cup
S
M3x6
2
49
±20
(5
±2)
Min.
20
(Min.
2)
Grounding
wire
for
AC
cord
Screw,
pan
(washer)
M4x6DB
1
49
±20
(5
±2)
Min.
20
(Min.
2)
I/F
connector
on
interface
PCB
Screw,
pan
M3x6
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Frame
grounding
wire
Taptite,
cup
S
M3x6
1
49
±20
(5
±2)
Min.
20
(Min.
2)
NCU
PCB
Taptite,
bind
B M4x12
1
98
±20
(10
±2)
Min.
29
(Min.
3)
Frame
chassis
ASSY
Taptite,
bind
B
M3x10
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Taptite,
bind
B M4x12
4
98
±20
(10
±2)
Min.
29
(Min.
3)
Paper
Feed
motor
Taptite,
bind
S
M3x5
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Carrier
transport
motor
Taptite,
bind
S
M3x5
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Base
frame
Taptite,
bind
P
M3x8
2
78
±20
(8
±2)
Min.
20
(Min.
2)
Gear
plate
ASSY
Taptite,
bind
S
M3x5
2
78
±20
(8
±2)
Min.
20
(Min.
2)
IV
-
2