what to lubricate the dosing pump?

lastduke

New member
I found the black powder on dosing head, i believe it is from the rollers inside. Can i use WD40 to lubricate them or squeeze some grease in there?
 
If it were me I'd use a little silicone lubricant spray. I think it would less toxic or as harsh on the components than something wd40.
 
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