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Pag. 85OM5029_GB
Wear on the side chain
This wear is caused by improper interaction with the chain pulleys or guide elements side.
If the consumption over the heads of pins exceed 25% of the projection of rewriting or on
the outside of the plate more than 20% of the thickness (see Fig. 6.14), the chain must be
replaced before applying the new, the cause of this malfunction must be sought.
Consumption rate head pin up / r x 100 < 25%
Consumption percentage edge plate us / s x 100 < 20%
These checks should be performed every 3 months.
After four years of the chains must be dismantled and inspected in the attacks on the arm and
in areas not normally accessible and, if damaged, replace.
Fig. 5.11
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