Timing Belt Tension - Duerkopp Adler 745-26 Service Instructions Manual

2.4 Timing Belt Tension

1
8
At the middle of the distance S it must be possible to bend in the
timing belt under a test load of FV = 4.0 kg as per the illustration below.
S
Consequences of too high a timing belt tension:
–
Reduced life
–
Running noise
Consequences of too low a timing belt tension:
–
No flawless tooth mating between the belt teeth and pulley teeth
–
Jumping of the teeth under load
–
Attach the test load in the center of the timing belt (e.g. with aid of
a spring scale).
The timing belt is correctly tensioned when the upper half of the
belt just touches the lower half of the belt.
To correct:
–
Correct the timing belt tension at the nut 1.
The nut 1 has a self-locking thread.