•
All power supplies connected to the pump must be disconnected before maintenance.
•
Ensure that the installer is familiar with the safety procedures associated with the
product being pumped. Wear protective clothing when in contact with contaminated
parts. Disassemble and contaminated parts in the fume hood.
•
Under certain environmental conditions, the surface temperature of the pump in
operation may be greater than 80
℃
, there is a risk of overheating. Do not touch the
pump to avoid burns. Use a security tool if necessary.
•
Degas the system and purge with nitrogen before starting maintenance.
•
Pump is cooled
for at least 3
hours before starting maintenance.
•
Check that all the required parts are available and of the correct type before starting
maintenance.
•
Take care to protect the sealing surface from damage.
•
Safe disposal of parts and waste oil (see section6.2).
•
Leak test the system after maintenance and installation to prevent dangerous substances
from leaking out of the system and air entering the system.
•
The pump will be contaminated by the pumped chemicals. If contamination has occurred,
ensure that adequate precautions are taken to protect people from the effects of
dangerous substances.
5.2 Maintenance plan
If the pump is used to pump corrosive or abrasive gases and vapors, it requires more
frequent maintenance. The user can adjust the maintenance plan according to own
experience.
The maintenance operations required to keep the pump in use are as follows:
Operation
Frequency
Refer to section
Oil level check
Pump connection
Oil change
Overhaul the pump
Weekly
Monthly
12 Monthly
6 yearly
5.3
5.4
5.5
5.6
Table.9 Maintenance plan
5.3 Oil level check
