Maintenance And Care - Festo DRRD-Serie Instrucciones De Utilizacion

DRRD-16 ... 63
8

Maintenance and care

To check the function of the shock absorbers:
• Proceed as follows:
DRRD-... P
Test interval 2 million switching cycles
Procedure 1. Check the function of the shock
absorbers.
In case of audible bottoming out or
rebounding:
2. Replace the cushioning components
and seals (lubricate the cushioning
components before installation with,
for example, LUB-KC1).
Replacement If there is evidence of wear (bottoming
interval out)
Tab. 7
If the piston can be heard to strike hard in the end position:
• Replace the following components if they are worn (
– the internal cushioning components of the DRRD-...-P
– both shock absorbers of the DRRD-...-Y9/Y10.
• If the DRRD is contaminated, clean it with a soft cloth.
Permissible cleaning agents include:
– warm soap suds up to +60 °C
– petroleum ether
– all non-abrasive cleaning agents.
Festo – DRRD-16 ... 63-Z6 – 1306a English
Y9/Y10/Y12
2 million switching cycles
(DRRD-16 ... 40)
1 million switching cycles (DRRD-50/63)
1. Check the function of the shock
absorbers for bottoming out and
rebounding.
2. Unscrew the shock absorber and
check for oil leaks.
In case of audible bottoming out,
rebounding or visible oil loss:
3. Replace the shock absorber and
seals ( 9 Disassembly and repair).
If there is evidence of bottoming out,
leaking oil or
every 10 million switching cycles
(DRRD-16 ... 40)
Every 5 million switching cycles
(DRRD-50)
Every 2 million switching cycles
(DRRD-63)
9 Disassembly and repair):
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