Watson-Marlow 505LA - Manual (Page 7)

ATEX Directive: Watson-Marlow 505LA, 505LXA and 505LGA pumpheads User Manual 7
9 Servicing and cleaning
requirements
If aggressive liquids are spilled onto the pumphead, the head should be removed
and cleaned with a mild detergent. First, isolate the pump from the mains power
supply and remove the track by lifting the levers at either side of the pumphead.
Remove the tubing by stretching the element over the pegs (or remove the clamps
for continuous tubing). To detach the pumphead from the drive, remove the two
screws located in the backplate.
The cleaning procedure above should be used to limit the build-up of dust (which
can become electrostatically charged and/or heated by friction).
Avoid exposing the bearing seals to solvents for more than one minute. See
m-505l-gb-01, Section 9 Maintenance, for details.
The moving parts of the rotor should be checked from time to time for freedom of
movement. Roller bearings are sealed and do not require lubricating.
Because of the importance of dissipating electrostatic charge the earthing
leads must be regularly checked for signs of corrosion.