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Maintenance
8.2.6 Chain tension
Check the chain tension in three or four positions,
turning the crank a full revolution.
The ideal chain tension has been achieved if the
chain can be pushed a maximum of 2 cm in the
middle between the pinion and the toothed wheel.
The crank must also turn without resistance.
Figure 23: Checking the chain and belt tension
Excessive chain tension increases wear.
If the chain tension is too low, there is a risk that the
chain will slip off the chain wheels.
Check the chain tension once a month.
If the chain can be pushed more than 2 cm, the
chain will need to be tensioned again by the
HERCULES specialist dealer.
If the chain can only be pushed less than 1 cm, the
chain will need to be relieved of tension accordingly.
EN_034-11421_0.1_0.01_09.18_HERCULES BROSE_CS_Inhalt.book Page 85 Wednesday, October 11, 2017 9:53 AM
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