Pressing Onward: A Dewatering Blog

Stock Up On Spares - Parts From Evoqua

By Michael Stock

Don’t spare the spares.Large_Press_Complete.jpg

Know which spare parts you need to stock—and which ones you don’t.

When we built your filter press, we built every single part of it to last as long as it possibly can, given the latest in materials and design. For some parts, like the frame and the hydraulic manifold, that’s pretty much forever. But other parts, especially moving parts, are subject to wear and tear. If uptime is critical in your operation, you’re going to want to keep some spare parts on hand.

The question is, which ones? You probably don’t need to have a complete, functional redundant press standing by, although some operations do that. More likely, you want to balance your uptime needs against the cost and space requirements of a reasonable spares inventory. You want to stock a minimum supply of the parts you’ll need most frequently.

With that in mind, here’s what we recommend, based on our experience.

Cloths can take a beating.

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If your slurry is abrasive or cakes are sticky and require scraping with a spatula, your cloths could suffer literal wear and tear. And when a cloth tears, it leaks, which instantly means loose cakes and a compromised process. While you may not need to keep a whole set of cloths on hand, stocking a unit or two can minimize the impact of an unanticipated tear.

Plates don’t wear fast, but they do wear.

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How do you know when you need to replace a worn plate? When there’s water on the floor, or when you notice wear points on a plate’s plastic frame. Because replacement plates tend to have longer lead times, it’s a good idea to keep a few spares on the shelf.

Air and oil filters: change them early and often.

When it comes to oil, your filter press is just like your car: dirty oil and clogged airways can cause the rest of the machine to wear faster and break down. Having filters on hand is an easy and economical way to make sure you’re prepared for maintenance … whether it’s scheduled or not.

Valves: an open and shut case.

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Valve seats and gaskets can wear down over extended openings and closings. If the manifold springs a leak, it could be a valve, and you’ll want to replace it as quickly as possible.

What not to stock: pumps

What about hydraulic pumps that are expensive to stock but can put you out of business if they fail? Don’t worry. We have them on the shelf and can ship them on demand to keep you running.

For more info, RTM (as in “Read The Manual.”)

Section 10 of your Evoqua User’s Manual has a complete guide to spares, lead times and everything else you need to put together an effective maintenance strategy. So check it out. And of course, your Evoqua rep is always on call for more help or when you need to order something.

Having made the comment about the manual - when's the last time you saw yours? If you're lucky you know where it is and it looks like the one on the left (below). If you're already a filter press customer just sign up for our ToolDOX Portal and find your manual, BOM and other related information online (below right). It's way easier and much more accurate...and you don't have to blow the dust off the manual, assuming you know where it is. Visit evoqua.com/dew-tooldox and fill out the quick form.

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if you want to call us, we'll give you time to spare - (844) 450-2910.

Looking for more ways to improve the performance of your filter press? Download our guide for more dewatering tips, tricks and maintenance advice!

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