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8.2.7 Checking the housing parts
CAUTION
•
The housing may only be repaired by the manufacturer.
•
Explosion-proof devices and equipment which have not been
repaired by the manufacturer must not be reused until they
have been inspected by an accredited expert and comply with
the design documents again.
Step
StepStep
Step
Action:
Action: Action:
Action: Checking the housing parts
Checking the housing partsChecking the housing parts
Checking the housing parts
1.
Inspect the housing parts visually for signs of damage and leaks (ensure all
parts are secure).
2. If any parts are loose, tighten them and secure them with thread lock.
(3.)
Please notify your TAC if parts are damaged and, in this case, disconnect the gas
and voltage supply.
(4.)
Do not complete any further action or work until the damaged parts have been
replaced.
8.2.8 Inspecting the interior of the housing
CAUTION
The housing hood may only be removed in a non-hazardous area in controlled
conditions as described in ISO/IEC 61010-1. If it is not possible to establish these
conditions on site, the complete device must be removed while it is still sealed.
Step
StepStep
Step
Action: Visual inspection of device interior
Action: Visual inspection of device interiorAction: Visual inspection of device interior
Action: Visual inspection of device interior
1. Disconnect the gas and voltage supply.
2.
Only in an atmosphere which is not potentially explosive! Remove the
housing hood to ensure that there is no damage/corrosion, unused open
connections or loose wires.
3.
Replace any defective components and connect any loose cables as shown in the
circuit diagram. Please notify your TAC if you require any spare parts.
(4.)
Do not complete any further action or work until the damaged parts have been
replaced and the hood has been closed again.
5.
Only connect the device to the power supply when all the required steps have
been completed and are OK.
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