Screw Torque List - Brother HL-2290 Service Manual

4. SCREW TORQUE LIST

Location of screw
Inner chute ASSY
Top cover ASSY
Fuser unit
LVPS shield plate cover
Ground harness
Low-voltage power supply PCB
ASSY
High-voltage power supply PCB
ASSY
Relay PCB ASSY
(For toner box models and MP models)
Toner box new PCB ASSY
(For models with toner box)
Laser unit
Main PCB FG plate 1
Main PCB ASSY
MP frame parts (For MP models)
Front chute ASSY
Frame L unit
Flat cable guide
Laser L FG plate
Motor drive sub ASSY
Paper feed motor
Taptite bind B M4x12
Taptite bind B M4x12
Taptite pan B M4x14
Screw cup M3x8 (black)
Screw pan M4x8
Screw pan M4x8
Screw cup M3x8 (black)
Screw cup M3x8 (black)
Taptite bind B M4x12
Taptite bind B M3x8
Taptite cup S M3x8 SR
Screw cup M3x8 (black)
Screw cup M3x8 (black)
Taptite bind B M4x12
Taptite pan B M4x14
For manual Taptite bind B M4x12
feed models
Screw pan (S/P washer)
M3x12DB
For MP models Taptite bind B M4x12
Taptite bind B M4x12 (11a)
(Under bar)
Taptite cup S M3x6 SR (11b)
(for securing the chute
ground plate)
Taptite bind B M4x12 (11c)
(for securing the
registration chute)
Taptite cup S M3x8 SR (11d)
(for securing the laser L FG
plate)
Taptite bind B M4x12 (12a)
Taptite cup S M3x8 SR
(12b)
Taptite bind B M4x12
Screw pan (S/P washer)
M3x12DB
Taptite bind B M4x12
Taptite cup S M3x8 SR
Screw bind M3x4
3-4
Screw type Q'ty
Tightening torque
N·m (kgf·cm)
2 0.8±0.1 (8±1)
3 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
2 0.45±0.05 (4.5±0.5)
1 0.45±0.05 (4.5±0.5)
1 0.45±0.05 (4.5±0.5)
2 0.45±0.05 (4.5±0.5)
1 0.45±0.05 (4.5±0.5)
1 0.8±0.1 (8±1)
1 0.45±0.05 (4.5±0.5)
4 0.8±0.1 (8±1)
2 0.6±0.1 (6±1)
3 0.6±0.1 (6±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
1 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
2 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
1 0.5±0.1 (5±1)
3 0.8±0.1 (8±1)
1 0.8±0.1 (8±1)
3 0.65±0.05 (6.5±0.5)
Confidential