Adjustment; Adjustment Of The Timing Belt Tension - promelectroavtomat XL2120 Service Manual

Adjustment

1. Adjustment of the Timing Belt Tension

• When pulling on the middle portion of the timing belt with a force of 3 N (300 g), there should be a slack of
3 to 4 mm.
1 Loosen the screw (Screw, pan (S/P washer) M 4 × 8 DA) fastening the tension pulley holder.
2 Adjust the belt tension by moving the tension pulley holder up or down.
3 Tighten the screw (Screw, pan (S/P washer) M 4 × 8 DA) to secure the tension pulley holder.
4 Check the timing belt tension again.
Screw, pan (S/P washer) M4 × 8DA
Tension pulley holder
3 - 4 mm
3N(300g)
Tension guage
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3 - 1