6. Maintenance
6.1 Safety informaon
WARNING:
Allow the pump to cool (so that it is at a safe temperature for skin contact) before
starng maintenance work. Make sure the pump is switched o in case the thermal
overload device restarts the pump.
WARNING:
Obey the safety instrucons given below and take note of appropriate precauons.
Failure to do so can cause injury to people and damage to equipment.
CAUTION:
Never use hydrocarbon lubricants in a PFPE-prepared pump.
Note:
If the pump is PFPE-prepared, refer to PFPE-prepared EM pumps on page 49.
▪
A suitably trained and supervised technician must maintain the pump.
▪
Ensure that the maintenance technician is familiar with the safety procedures
which relate to the pump-oil and the products processed by the pumping-system.
▪ Isolate the pump and other components in the pumping system from the electrical
supply so that they cannot be operated accidentally.
▪
Aer maintenance is completed, recheck the pump rotaon direcon if the
electrical supply has been disconnected.
▪ Do not reuse O-rings and seals if they are damaged.
▪ The pump and its oil will be contaminated with the process chemicals that have
been pumped during operaon. Ensure that the pump is decontaminated before
maintenance and that adequate precauons are taken to protect people from the
eects of dangerous substances if contaminaon has occurred.
▪
Leak-test the system aer maintenance work is complete if connecng or
disconnecng any vacuum or exhaust joints; seal any leaks found.
▪
Do not touch or inhale the thermal breakdown products of uorinated materials
which may be present if the pump has been heated to 260 °C and above. These
breakdown products are very dangerous. Fluorinated materials in the pump may
include oils, greases and seals. The pump may have overheated if it was misused, if
it malfunconed or if it was in a re. Manufacturers Material Safety Data sheets for
uorinated materials used in the pump are available on request: contact supplier
or us.
Page 36
A34310880_T - Maintenance
To Next Page
Loading...
Need help?
General
