Screw Torque List - Brother DCPJ525W Service Manual

4

SCREW TORQUE LIST

Note: For the shape of screws, refer to
Location of screw
Page
3-49 Grounding wire (for ADF drive unit)
3-52 Scanner hinge (onto the upper cover)
3-53 Scanner hinge (onto the document scanner unit) Taptite, bind B M4x12
*1
3-60 ADF & document cover ASSY
document reinforcement plate by 2 screws)
3-61 Scanner hinge support
3-64 Grounding wire (for ADF drive unit)
*1
3-66 ADF drive unit
3-67 Document roller holder
3-68 Control panel ASSY
Grounding wire (for touch panel)
3-73 LCD unit
3-75 Front cover (Together with upper cover)
3-76 Upper cover
3-80 Main PCB shield
3-82 Main PCB
Main PCB frame
(Together with PS/MJ shield unit)
3-83 PS/MJ shield unit
3-85 Power supply PCB
MJ shield
*5
MJ PCB
Grounding wire (for AC power cord)
3-94 Ink cartridge detection sensor PCB
3-100 Engine unit
3-104 Maintenance unit
3-105 ASF drive ASSY
3-106 Carriage motor
3-110 Pressure roller release sensor PCB ASSY
3-111 PF encoder sensor PCB ASSY
*7
3-113 Disc guide cover
Section 3
*1
Taptite, cup S M3x6
Taptite, bind B M4x12 (black)
(Together with Taptite, cup B M3x10
Taptite, cup B M3x10
*1
Screw pan (s/p washer) M3x6
Taptite, cup B M3x10
Taptite, cup B M3x8
Taptite, cup B M3x10
*2
Taptite, cup S M3x6
Taptite, cup B M3x8
Taptite, bind B M4x12
Taptite, bind B M4x12
Taptite, cup S M3x6
Taptite, cup S M3x6
Screw, bind M3x6
Screw, bind M3x6
Taptite, cup S M3x6
Screw, bind M3x6
Taptite, cup S M3x6
*6
Screw, pan (washer), M4x8DB
Taptite, cup B M3x8
Taptite, cup B M3x10
Taptite, cup B M3x10
Taptite, cup S M3x6
Taptite, cup B M3x10
Screw, bind M3x6
Screw, bind B M2.6x8
Screw, bind M2x12
Taptite, bind B M4x12
3-5
in this chapter.
Screw type
*1 For models with ADF
*2 For models with touch panel
*3 Main PCB
*4 Main PCB
*5 For MFC only
*6 For 200 V series
*7 For disc printing models
Tightening torque
Q'ty
• •
N m (kgf cm)
1 0.35±0.05 (3.5±0.5)
2 0.80±0.10 (8±1)
5 0.80±0.10 (8±1)
5 0.50±0.10 (5±1)
3 0.60±0.10 (6±1)
1 0.40±0.10 (4±1)
3 0.50±0.10 (5±1)
1 0.50±0.10 (5±1)
3 0.40±0.10 (4±1)
1 0.35±0.05 (3.5±0.5)
2 0.40±0.05 (4±0.5)
1 0.85±0.05 (8.5±0.5)
4 0.85±0.05 (8.5±0.5)
*3
4/3 0.35±0.05 (3.5±0.5)
*4
1/3 0.35±0.05 (3.5±0.5)
2 0.35±0.05 (3.5±0.5)
2 0.40±0.10 (4±1)
3 0.40±0.10 (4±1)
1 0.40±0.10 (4±1)
1 0.40±0.10 (4±1)
1 0.60±0.10 (6±1)
1 0.50±0.10 (5±1)
4 0.40±0.10 (4±1)
3 0.60±0.10 (6±1)
1 0.80±0.10 (8±1)
1 0.60±0.10 (6±1)
2 0.60±0.10 (6±1)
1 0.30±0.05 (3±0.5)
1 0.15±0.05 (1.5±0.5)
2 0.80±0.10 (8±1)
B57U081: 4 screws
B57U082: 3 screws
B57U081: 1 screw
B57U082: 3 screws
Confidential