Festo YSRWJ-A Serie Instrucciones De Utilizacion página 19

YSRWJ-...-A
At a temperature of 0 °C:
S
note that the reset times of the YSRWJ-... are longer.
Low temperatures cause an increase in the viscosity of the hydraulic oil.
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Check the cushioning elements (type designation see "Accessories") for the
following signs of wear:
Cushioning element
Test cycle
Sign of wear
Replacement cycle
*) At 0.5 Hz in dual operation mode
Fig. 14
The moveable mass should always reach the end position safely, but not strike
hard against it.
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Check whether more frequent tests are required. This may be the case:
– when subjected to high temperatures
– when very dirty
– when in the vicinity of solvent liquids or fumes.
7 Care and maintenance
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If the YSRWJ-... is dirty, clean it with a soft cloth.
Permitted cleaning agents are:
– soap suds (max. 60 °C)
– all non-abrasive agents.
Festo YSRWJ-...-A 0008NH English
Shock absorber 4 4 4 4
Every 2 million strokes (approx. every 2 months)
Oil leakage; hard knocking;
6
stop plunger remains in
the retracted end position or
moves away from it only hesi-
tantly.
Every 10 million strokes
*)
(approx. 1 year)
Rubber buffer 7 7 7 7
*)
Loud noises
Every 5 million strokes
*)
(approx. 1/2 year)
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