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

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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, carefully tighten the screw, taking care not to apply too much force.

The recommended torque value is shown below as a reference value.

Screw (RS tightening)

Fastened member

Approx. 1.6 Approx. 1.6 Approx. 1.6 Approx. 0.8 Approx. 1.6 Approx. 0.8 Approx. 1.6 Approx. 0.8

Approx. 0.8 Approx. 0.8 Approx. 0.6 Approx. 0.6 Approx. 0.6 Approx. 0.6 Approx. 0.6 Approx. 0.6

* For PCB, refer to the tightening torque value of resin (fastened member).

Types of screws

Type of Screws

4. Disassembly/Assembly