Festo HSW-...-AP/AS - Manual (Page 53)

HSW−...−AP/A S
Festo HSW−...−AP/AS 0812b English
53
At temperatures around 0 °C:
S Note that the resetting times of the shock absorber become longer.
Low temperatures cause an increase in the viscosity of the hydraulic oil.
The HSW should always reach the end position safely, but not strike hard
against it.
S Check the cushioning elements and spring clamping elements
(type designation see Accessories") for the following signs of wear:
Testing Spring clamping element 8 Shock absorber 1
Test cycle Every 2 million strokes
(approx. every 2 months)
*)
Every 2 million strokes
(approx. every 2 months)
*)
Signs of wear Play of the guide rail in the end
positions (in the area of the
linear motion) Oil leakage; hard knocking;
stop plunger remains in the
retracted end position or moves
away from it only hesitantly.
Replacement
cycle After 5 million switching cycles Every 10 million strokes
(approx. 1 year)
*)
*) At 0.5 Hz in dual operation mode
S Check to see if more frequent tests are required. This may be the case with:
ć high temperatures,
ć excessive dirt,
ć when there are fats solvent fluids or fumes in the vicinity.
Please note
In case of changing loads:
S Repeat the procedure taking into account the changed work load:
Ĉ end position adjustment (chapter Fitting").
Ĉ the setting of the positioning speed (chapter Commissioning").