Timing Belt Tension And Replacing The Timing Belt - Duerkopp Adler 745-26 Service Instructions Manual

13.2 Timing Belt Tension and Replacing the Timing Belt

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Caution Risk of Injury !
Turn the main switch off.
Replace the timing belt only with the main switch turned off.
Timing Belt Tension
At the middle of the distance S it must be possible to bend in the
timing belt approx. 10 mm under a test load of FV = 3500g.
( see Chapter 2.4 )
To correct:
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Corret the timing belt tension at the nut 3.
The nut 3 is equipped with a self-locking thread.
Replacing the timing belt
For ease of replacement the timing belt is split.
It is held together by the timing belt clamp 1.
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Loosen the 4 clamping screws on the timing belt clamp.
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After loosening the timing belt clamp 1 pull the timing belt out of
the housing.
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Push one timing belt end through the opening 2 onto the timing
belt pulley of the step motor and place around the timing belt
pulley.
–
For the connection of the two timing belt ends, slacken the timing
belt tension slightly at nut 3.
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Connect the two timing belt ends with the timing belt clamp 1.
–
Set the timing belt tension ( see above ).
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