O.M.A.C. s.r.l.
Via Giovanni Falcone, 8 42048 Rubiera (RE) - Italy Tel.0522/629371 - 629923 Fax 0522/628980
Rev.4 del 01/2011 O.M.A.C. s.r.l.
4.10 Residual risks
Listed below are the main residual risks that may occur in the “B series lobe displacement Pump Unit”, deriving from the incorrect execution of one of the
operations described in this manual.
CAUSES THAT MAY GENERATE RESIDUAL RISKS RESIDUAL RISKS
Removal of the front cover / Emptying / Leakage of fl uid Contact with dangerous process fl uid
Incorrect earthing Electric shock
Breakage of piping / Breakage of mechanical components Ejection of process fl uid
Incorrect or incomplete fi xing of the pump Unit /
Incorrect tightening of screws
Support vibrations and movements / Misalignment between
pump Unit and piping of Customer plant
Incorrect calculation of performances (capacity, pressure, speed) Rotors seizure, possible piping breakage
Incorrect closure of a valve upstream or downstream of the pump Unit Water hammer with projection of cover
Presence of metallic cinders in the plant of the Customer Possible seizure of rotors
Incorrect CIP/SIP Contamination of process fl uid
Leakage from sealing parts Ejection of process fl uid
4.11 Dangers generated by use
Incorrect use of the LDPU, generated by failure to comply in full or in part with the use and maintenance instructions contained in this UMM, can cause
technical dangers in the operation of the Customer plant.
Listed below are the incorrect ways to use the LDPU.
INCORRECT USE ARISING DANGERS
Use of the LDPU for transfers of fl uid in different conditions of hygienic
level than those for which it has been of its organoleptic
designed(*)
Contamination of process fl uid or degradation
of the organoleptic specifi cations
Incorrect execution of CIP/SIP Possible contamination of process fl uid
Failure to use personal protection equipment
Danger for health of operators in charge of using the plant of the Custo-
mer
Failure to comply with the procedures described in chapters 3 and 4 of
this manual
Malfunctioning of the plant of the Customer / Risks for the health of ope-
rators
(*) The “B series lobe displacement Pump Unit” for alimentary use has been designed to ensure hygiene Level 1, in accordance with EN 14159.
4.12 Prohibited use
The unintended uses of the “B series lobe displacement Pump Unit” for chemical use or alimentary use are all those that are NOT covered under sections
1.4 and section 4.1.
ATTENTION
O.M.A.C. s.r.l. forbids any use not expressly indicated in this UMM and is not liable for any damage caused by unauthorised improper use of the LDPU
or with the process fl uid.
4.13 Management of emergency situations
In the event of an emergency situation connected directly or indirectly to the LDPU, one must stop machine operation, intervening on the electric control
panel, present on the machine or plant of the Customer.
One can stop operation by pressing the emergency button, marked with letter “E” in section 4.2 of this chapter (red mushroom button on circular yellow
base).
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