Maintenance and Servicing
16
4000481-04
6
Maintenance and Servicing
6.1
General Requirements
Check the pump daily for unusual running noises and heat building up on the surface of
the pump.
Check the electrical and vacuum connections daily.
Check the inert gas supply daily to ensure it meets the minimum requirements stated
in
chapters 5.2 and 5.3.
Inspect the pump chamber of the diaphragm pump for contaminants and damage after
1,000 operating hours. Clean and replace damage parts with new original parts as and
when necessary.
We recommend changing the diaphragm after 5,000 operating hours. The user may
specify that the exchange be made earlier, depending upon the application process.
6.2
Maintenance Performed by the User
All maintenance work must be performed outside the areas at risk of explosion. The pump
must be disconnected from the power supply before maintenance work starts.
WARNING !
Only perform the work that is described here, and that which is permitted to be done
by the user.
All other maintenance and service work may only be performed by the manufacturer
or a company authorized by him.
Do not interfere with the safety systems of the diaphragm pump.
Beware of the pump parts being possibly contaminated by hazardous substances.
Wear protective clothing if there is contamination.
Scope of permissible work:
Loosen and remove the hoses
Open and remove the pump heads
Inspect the pump chambers, diaphragms and valves
Deposits in the inside of the pump must be cleaned out
Change the diaphragms, valves and seals
Tools required:
Tool kit: Order No. 402106,
consists of:
Order no. 826801
Pin type face wrench, adjustable, size 3,
Order no. 826801-6
Allan key, size 4,
Order no. 826801-5
Open spanner, size 17.
