Belt Tension; Tacho Sensor - Contex XD2490 Service Manual

Belt Tension

Remove RHS cover, see page 4-5
Tilt open CIS unit

Tacho Sensor

*Switch Scanner off and disconnect from power source and PC prior to any repair.
Remove RHS cover, see page 4-5
4-8
Part replacement MG52D Part replacement MG52D
To insure correct belt tension.
1. Loosen screw (torx15).
2. Let spring apply correct tension.
3. Turn belt wheel 1/4 -1/2 turn.
4. Tighten screw again.
1. Disconnect Cable.
2. Loosen screw and remove metal plate.
3. Remove metal plate.
4-8