Watson-Marlow 624Di - Manual (Page 15)

Watson-Marlow Bredel E-Manuals
http://www.watson-marlow.it/pdfs-global/m-624Di-gb-01.htm[10/07/2012 13:59:15]
620RE, 620RE4 and 620R Tube element or continuous tube removal
Unlock the guard and disengage the rollers.
Disconnect the tubing from the external pipeline.
Remove the tubing from the pumphead.
620RE, 620RE4 and 620R Maintenance
Scheduled maintenance
The stainless steel pumping rollers run on sealed bearings and do not require
lubrication.
Remove the rotor and lubricate the follower rollers and roller engaging mechanisms
with a lithium-based grease. This should be carried out every six months for
intermittent duties and every three months for 24 hour duties.
If fluid is spilled inside the pumphead, flush the pumphead out with water and mild
detergent as soon as possible. If specific cleaning agents are required to clean the
spillage, please consult Watson-Marlow Technical Support Office before proceeding,
in order to confirm chemical compatibility.
If the rotor needs to be removed, refer to the guidelines below.
Roller adjustment
620 pumpheads have provision for adjustment to reset the roller/track gap to compensate
for wear after extended service in arduous applications.
Roller/track gaps can only be accurately judged without tubing in the pumphead. The gap