14 Repair
n User qualification, mechanical repair: trained and qualified per‐
sonnel.
n User qualification, electrical repair: Electrical technician.
WARNING!
Contact with the feed chemical
Wetted parts are exposed and touched during
repair work.
–
Protect yourself against the feed chemical if it
is hazardous. Read the material safety data
sheet for the feed chemical.
CAUTION!
Warning of feed chemical spraying around
Feed chemical may spray out of the hydraulic com‐
ponents if they are tampered with or opened due to
pressure in the liquid end and adjacent parts of the
system.
– Disconnect the pump from the mains power
supply and ensure that it cannot be switched
on again by unauthorised persons.
–
Ensure that the system is at atmospheric pres‐
sure before commencing any work on hydraulic
parts of the system.
WARNING!
Fire hazard with flammable media
Only with flammable media: They can be ignited by
oxygen.
– The pump may not work if there is a mixture of
feed chemical with oxygen in the liquid end. A
specialist may need to take appropriate actions
(using inert gas, ...).
Safety information
Repair
100
DosingPump.ir
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