Maintenance and Servicing
42
115051
7
Maintenance and Servicing
7.1
General Requirements
Repairs of the Laboratory-Vacuum-Systems may only be performed by the manufacturer or
authorized workshops.
The prerequisites are a complete and factually correct damage report, and a clean and, if
necessary, a decontaminate device.
The operator may perform maintenance work to the extent indicated below:
7.2
Maintenance Performed by the User
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 dealer authorized by him.
Beware of the pump parts being possibly contaminated by hazardous substances.
Wear protective clothing if there is contamination.
7.2.1
Maintenance of the diaphragm pump
Check the pump daily for unusual running noises and heat building up on the surface of
the pump.
We recommend changing the diaphragm after 10,000 operating hours. The user may
specify that the exchange be made earlier, depending upon the application process.
Check the electrical and vacuum connections daily.
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.