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10 eliminating faults – Festo Амортизаторы YSRWJ User Manual

Page 21

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YSRWJ-...-A

Festo YSRWJ-...-A 0008NH English

21

10

Eliminating faults

Fault

Possible cause

Remedy

Hard knocking in

t k

d

iti

Shock absorber defective

Replace shock absorber

stroke end position

Positioning element over-
loaded

Reduce the impact speed

Loud knocking at
start of stroke

Rubber buffer worn

Replace rubber buffer
(only with YSRWJ-7/8-...)

Faults in position
interrogation

Position of proximity switches
incorrect

Correct position of proximity
switches

Incorrect type of proximity
switched used

Use only proximity switches of
type SME/SMT-8-...-B

Proximity switch defective

Replace proximity switch

Ferritic parts in vicinity of
proximity switch

Use parts made of non-
magnetic materials

Fig. 17

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