Maintenance Intervals; Overview Of Minimum Intervals For Inspection And Maintenance - Weh TW711 Betriebsanleitung

9�2

Maintenance intervals

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Inspect the WEH
conditions, but at least every 3 months. After 20,000 cycles or 3 years at the latest,
depending on what happens first, starting from the date of delivery (invoice/ goods
issue date by WEH or the distributor), the WEH
maintenance.
These intervals can also be significantly shorter, which depends especially on your
individual application/use. Therefore, in case of abnormalities – especially during
regular inspection – send the WEH
If the WEH Product is not regularly inspected and sent to WEH for maintenance,
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leakage may occur and under certain circumstances this may result in failures
and/or accidents.
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Overview of minimum intervals for inspection and maintenance

No� Inspection
Check front seal for damage and dirt
1
accumulation
2 Check exterior for damage and dirt
3 Check sliding sleeve for damage
Check clamping jaws for correct
4
functioning and any damage
Check connector and media line for
5
leakage (see Chapter 7. Installation)
No� Maintenance
Replace the front seal
6 (see Chapter 9.4.1 Replacement of
front seal (Pos. 7))
Return to WEH for in-factory main-
8
tenance
* depending on what happens first
Note: For component arrangement see Chapter 3. Product overview / product description
on page 10.
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If your application requires, set shorter intervals than indicated above. A significant
shortening of the minimum intervals is particularly necessary if abnormalities are
found during the inspections.
Product at regular intervals depending on the respective operating
®
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Product must be sent to WEH for
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Product immediately to WEH for maintenance.
Initial
(before com-
missioning for
the 1st time)
X
X
X
X
X
After every
1,000 cycles
X
Operating instructions
Daily Weekly
X
After 3 years or
20,000 cycles*
X
MD-10060-L51-R1.1.0-03
AE
X
X
X
X
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