Regarding peristaltic pumps

[nlreefguy]

OK, so I heard back from the president and he suggested basicaly the same things as you guys. I took one of the pumps apart and the grease inside is copious and dried up like a very thick paste. So I'll get some grease and try regreasing both of the pumps first. I'll update to let everyone know how it worked out.

[hillegom]

Try and get all the old grease off before you put in new. If it is easy to detach the gearbox, then you could wash it in varsol,
Just make sure then the new grease gets into whatever they use for bearings.
Good luck