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Pump Manuals & Maintenance Checklists

Find the manuals, maintenance checklists, and troubleshooting guides you need to keep your vacuum pump running smoothly. Download PDFs directly or view them online for quick reference.

M-Seal Installation: 6-inch
M-Seal Installation: 3-inch
Stokes 615 / 607 / 622 Booster
Stokes 306 / 310 Booster
Stokes 412J / 212J Pumps
Stokes 412H / 212H / 149 / 148 / 146 Pumps
MHV SD300 / HD300 / HS430 Pumps

More Vacuum Pump Resources

We’re not just a parts shop; we’re a partner. Our commitment to our clients includes providing you with support between builds, including tips and techniques from experts you trust.

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Helium Blower: Fix Trouble Fast

Maintenance Tips

It’s Monday morning and you can’t pump your workhorse furnace below 40 millitorr. You have helium leak-checked the most obvious spots and th

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On-board Sensors Reduce Vacuum Pump Maintenance

Maintenance Tips

Some customers with multiple furnaces look for remote monitoring of their vacuum pumps to simplify the maintenance and reduce downtime. We h

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Tips & Techniques: Leak Checking a Vacuum System

Maintenance Tips

Leaks in a vacuum furnace or chamber can be troublesome and time-consuming to locate. It’s important to have an understanding of how to set

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Tips & Techniques: Pump Longevity — What Works

Maintenance Tips

Nothing will gum up a pump faster than low-quality vacuum pump oil. The oil may not have the proper additives or viscosity, but the end resu

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Vacuum Tip: Read and Plot Your Vacuum Performance

Maintenance Tips

Vacuum system pumps and components can deteriorate over time, and recording their performance when they’re functioning well can be a good pr

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Watch that crud in your crude!

Maintenance Tips

Oil is often thought of exclusively as a lubricant but in mechanical vacuum pumps oil serves a number of critical functions. Besides acting

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Tips & Techniques: Leak Checking a Vacuum System

Maintenance Tips

Leaks in a vacuum furnace or chamber can be troublesome and time-consuming to locate. It’s important to have an understanding of how to set

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