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8. OPERATION
8�1
Safety instructions for operation
Please note: Subsequent mentions of descriptions and position numbers refer to
Chapter 3. Product overview / product description on page 11.
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Apply pressure to the WEH
piece.
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Do not use excessive force when actuating.
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Follow the steps in exactly the right order when connecting and disconnecting the
WEH
Connector.
®
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Attach and detach the WEH
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Connect the WEH
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Align the WEH
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front seal and the seals caused by any sharp edges that the test piece may have.
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The seals of the WEH
and other objects away from the seals when actuating the connector.
Caution: Possible consequences of failing to observe this instruction may include:
– Risk of fingers being crushed while connecting
– Risk of personal injury and damage to property by parts that may become
detached under high pressure
– Risk of personal injury by media escaping at high pressure
– Risk to human safety by hoses not being secured
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The WEH
Connector is not fitted with an integrated shut-off valve and thus will not
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prevent loss of test medium when disconnecting. Therefore it is important to
disconnect the connector only under absolutely safe conditions.
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Do not supply test pressure or pilot pressure if the WEH
to a test piece.
Attention: The WEH
which compresses the front seal (Pos. 7), thus creating the pressure-tight connec-
tion.
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Make sure that the test pressure is not built up until the required pilot pressure for
sealing is reached. It should also be ensured that the test pressure can be quickly re-
leased if the pilot pressure drops below the minimum pressure required for sealing.
Connector only once it has been connected to a test
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Connector only when it is not under pressure.
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Connector only to test pieces in full working order.
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Connector correctly with the test piece to prevent damage to the
Connector are designed to grip the test piece. Keep fingers
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Connector is actuated by compressed air. This acts on a piston
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Operating instructions
Connector is not connected
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MD-10188-L51-R1.2.0-03
AE
Page 21
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