The following link is to Neptune’s video for Correct Start-Up Procedure
http://www.psgdover.com/en/psgtv/item/5335-maintenance-video-proper-start-up
This video provides the step-by-step start-up procedure for Neptune™ 500/560/600/6000 Series hydraulically actuated pumps. Hydraulic diaphragm metering pumps are well-known for injecting chemicals into boilers and cooling towers, and in water and wastewater-treatment applications.
Please contact Pentad if we can assist with any Neptune parts or service you require!