Points To Note When Tightening A Screw - Canon imageRUNNER ADVANCE 4551i Service Manual

CAUTION:
Double pole/neutral fusing

Points to Note when Tightening a Screw

For reduction in weight, thin plates are used in some parts of this machine.
In the case of a screw hole with a triangle mark near it as shown in the figure below, strongly tightening the screw may damage
or deform the screw hole.
In the case of a screw hole with a triangle mark, take care not to apply too much force when tightening the screw.
The recommended torque value is shown below as a reference value.
Fastened member
Tightening torque M4
(N*m)
M3
* For PCB, refer to the tightening torque value of resin (fastened member).
Zweipolige bzw. Neutralleiter-Sicherung
RS tight
Metal Resin
Approx. Approx.
1.6 1.6
Approx. Approx.
0.8 0.8
RS tight W Sams
ACHTUNG
Type of Screws
W Sams
Metal Resin
Approx. Approx.
1.6 0.8
Approx. Approx.
0.6 0.6
Type of Screws
Binding
5
Safety Precautions
Binding
Metal Resin Metal
Approx. Approx. Approx.
1.6 0.8 1.6
Approx. Approx. Approx.
0.6 0.6 0.6
TP
TP
Resin
Approx.
0.8
Approx.
0.6