Screw Torque List - Brother mfc8440 Service Manual

6.

SCREW TORQUE LIST

1. Main Body
No. Parts code Parts name
1 087320-616 Taptite, cup S M3x6
2
087320-616 Taptite, cup S M3x6
2. Cover
No. Parts code Parts name
1 085412-216 Taptite, bind B M4x12
2
087311-016 Taptite, cup S M3x10
3
087320-616 Taptite, cup B M3x6
4 085412-216 Taptite, bind B M4x12
3. Document Scanner
No. Parts code Parts name
1 Rew,
0A4300-605
washer)
M3
2
087320-616 Taptite, cup S M3x6
3
LE2861-001 Taptite, pan B M3x8
4
UF5034-001 Taptite, B M3x6
5
087310-816 Taptite, cup B M3x8
6
UF5034-001 Taptite, B M3x6
7
087411-216 Taptite, cup B M4x12
8
087412-016 Taptite, cup B M4x20
Location
NCU PCB ASSY
NCU shield cover
NCU shield plate
Main PCB ASSY
Location
Inner chute
Joint cover front L
Joint cover front R
Driver PCB ASSY
D-PCB shield
Joint cover ASSY
Side cover R
Side cover L
Rear cover R
Rear cover L MFC
Driver PCB access cover
Rear cover C
Location
pan (S/P FB motor
FG harness
Driver plate ASSY
Pulley ASSY
FG plate
FFC plate
Lock lever B
Lock lever A
For the top cover
For the scanner unit
4-91
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
Pcs Tightening torque
. N ⋅ m (Kgf ⋅ cm)
2
0.686 ± 0.098 (7 ± 1)
1
2
5
0.686 ± 0.098 (7 ± 1)
Pcs. Tightening torque
N ⋅ m (Kgf ⋅ cm)
4
0.784 ± 0.098 (8 ± 1)
2
2
3
0.392 ± 0.049 (4 ± 0.5)
1 0.686 ± 0.098 (7 ± 1)
4
3
4
0.784 ± 0.098 (8 ± 1)
2
2
1
1
Pcs. Tightening torque
N ⋅ m (Kgf ⋅ cm)
2
0.784 ± 0.098 (8 ± 1)
1
0.784 ± 0.098 (8 ± 1)
4
0.490 ± 0.098 (5 ± 1)
1 0.392 ± 0.049 (4 ± 0.5)
3
0.490 ± 0.098 (5 ± 1)
1
1
0.392 ± 0.049 (4 ± 0.5)
2
6
0.784 ± 0.098 (8 ± 1)
2
0.784 ± 0.098 (8 ± 1)
SERVICE MANUAL