Performing maintenance / inspection
FAM 15/30/50/70 ATEX
en(us)
Page 66 / 96
BeWa FAM15-70 Atex 3193049h en(us) 2013-06-19
2013-06-19
Electrical inspection
In order to open the switch cabinet loosen the cover stop bolt
and unscrew the cover by using the supplied handles (see
picture, 2 pieces).
To close the cover carefully screw it in up to the cover stop bolt,
then tighten the bolt.
General inspections
Are the wires in the terminal blocks clamped properly?
Are seals, cable glands and cable entries free of damage?
Are external connections of the potential equalization conductor intact?
Inspecting the outer condition the control panel / unit
Is the control panel free of ruptures, holes, bumps, material brittleness or corrosion
spots?
Inspecting the condition of cable and pipe glands
Are the threaded joints tight? (Check them with a fork wrench.)
Is the sealing of the threaded joint / entry in satisfactory condition? (Visual
inspection)
Are the entries tight? (Inspection by pulling)
Is the sealing within the entry in satisfactory condition?
Inspecting the internal condition of the control panel
Is the interior in perfect condition? (Visual inspection)
Is the seal system undamaged? (Visual inspection)
Are the electrical contact points in perfect condition? (Function test)
Is the interior dry and clean? (Visual inspection)
Is the insulation free of damage and traces of creep? (Visual inspection)
Is the mechanical fastening of the installations intact? (Visual inspection)
Is the rise in temperature of electrical contact points within the permissible range?
Do the electrical contact points make contact properly?
Inspection of the age and condition of installed apparatus
Are the devices used in the FAM still within the electrical or mechanical service life
as specified by the manufacturer?
Inspecting the CONTROL CABINET prior to commissioning
Is the control cabinet intact?
Is the control cabinet again installed in accordance with regulations?
Is it certain that no foreign bodies or impermissible parts are located in the control
cabinet?