Welch MXPC 603 T - Repairs Carried Out by the Operator

Maintenance
Operating Manual MXPC 303 Z/603 T 31
INFORMATION
We recommend using only the cleaning agents specified in the operating
instructions.
Procedure
1. Switch off the device.
2. After cleaning, remove cleaning agents completely from surfaces with a damp cloth.
3. After any cleaning and decontamination precautions are taken, allow the device to dry
completely before using it again.
4. Depending on the degree of contamination, clean components in contact with the media at
regular intervals with a suitable solvent (such as acetone).
5. Wipe surfaces with a damp cloth. Additionally, we recommend the following cleaning agents:
Part of the device
Cleaning agents
Outer surfaces and motor
housing
Standard commercial cleaning agents with no acid and
halogenides, alcohol solutions
Hoses for tanks to collect
condensate
Standard commercial cleaning agents with no acid and
halogenides
Valves, pump head and
diaphragm
Acetone with a soft cloth
8.3 Repairs carried out by the operator
AUTHORISATION
Repair work may only be carried out by specialist personnel or specially trained
users (see chapter 2.2.2 Overview of responsibilities).
The operator is responsible for ensuring that the repair is carried out properly.
ATTENTION
The device must be disconnected from the mains before any maintenance work
is carried out.
NOTE Additional safety precautions may be necessary during repair work (see chapter 2.3
Safety precautions). The specific measures are defined by the operator.
Maintenance cycle
We recommend changing the diaphragm annually or every 8,000 operating hours. The operator
must enforce monitoring procedures.
Spare parts
MAINTENANCE KIT
The replacement parts for the pumping unit can be ordered as a maintenance kit
(see chapter 9.1 Spare parts overview).
The following tools are needed:
 SW17 open-end spanner
 4 and 5 mm allen key