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2017-12-21 / V1.3
Connectors Series M – Installation and Maintenance Instructions
Regular Visual Checks / Functional Checks
Connector element Visual and functional check Measures
Plug Check for:
X
ease of movement when plugging
X
dirt
X
damage or wear and tear on shell, contacts, contact insert
X
damage or wear and tear on grooves / guideways
(e.g. round edges)
X
bent contacts
X
loose or missing fastening elements
X
cracks and ruptured patches
In the case of defects:
X
remove existent dirt (abra-
sion of the contact surface)
without leaving any residue
X
immediately replace dam-
aged parts
Union nut on plug Check for:
X
ease of movement when unscrewing and screwing down
X
dirt
X
damage or wear and tear of the thread
X
cracks and ruptured patches
In the case of defects:
X
remove existent dirt with-
out leaving any residue
X
when the union nut is dam-
aged, immediately replace
the complete plug shell
Receptacle Check for:
X
ease of movement when plugging
X
dirt
X
damage or wear and tear on shell, contacts, contact insert
X
bent contacts
X
damage or wear and tear on grooves / guideways
(e.g. round edges)
X
loose or missing fastening elements
X
damage or wear and tear of the thread
X
cracks and ruptured patches
In the case of defects:
X
remove existent dirt (abra-
sion of the contact surface)
without leaving any residue
X
immediately replace dam-
aged parts
Backshell/strain relief,
shrink boot,
cable gland
Check for:
X
dirt
X
damage or cracks on shell, shrink boot, cable gland
X
loose or missing fastening elements
X
proper fastening and correct tting
X
correct functioning of strain relief
In the case of defects:
X
remove existent dirt with-
out leaving any residue
X
immediately replace dam-
aged parts
Protection caps Check for:
X
ease of movement when unscrewing and screwing down
X
dirt
X
damage or wear and tear on the thread
X
damage or wear and tear on grooves / guideways
(e.g. round edges)
X
worn out fastening cord or damaged plastic clip
X
cracks and ruptured patches
X
damaged sealing ring in protection cap
In the case of defects:
X
remove existent dirt with-
out leaving any residue
X
immediately replace dam-
aged parts
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