Pulsafeeder MPC - Manual (Page 54)

19. Maintenance & Spare Parts
All maintenance work must be carried out only when the MPC and
connected equipment is stopped and disconnected from mains supply
(including auxiliary circuits). Maintaining original characteristics over time
must be ensured by an efficient maintenance and inspection plan,
developed and managed by qualified technicians, taking into account the
service and the actual environmental conditions in which it operates.
19.1 Operating Precautions
All operations must be performed by qualified personnel.
Work on the unit should only be performed with safety supervisor
authorization, after having verified that:
a) Disconnect power at the source (follow your local lockout tag out
procedures)
b) The power line is disconnected and no parts are energized, including any
auxiliaries
c) Ensure that any risk of accidental restart has been excluded
d) Consult Manufacturers Pump Operating Manual for instructions on
minimizing risk due to pressurized or chemically dangerous conditions with
in the Pump system
e) With pump switched off, that the ON-OFF valves on the suction and
discharge pipelines are closed.
f) Pump has been adequately cleaned, when operating in environments
exposed to aggressive chemicals
g) Maintenance personnel shall refer to the Installation and Wiring section
for safe return to service
after repair
Since the machine object of supply is a product designed and intended for
operation in industrial areas, additional measures must be adopted and
assured by the person responsible for the installation, should more restrictive
safety conditions be required.
19.2 Cleaning and Decontamination