JoeWoodworker Veneer
The Official Website of this Non-Professional Woodworker ™

Part 1

Veneering Basics

14 Good Reasons
Vacuum Press Uses
Vacuum Press Options

Questions & Answers
Part 2
Project: EVS Vacuum Press

About Project: EVS
Parts List
Pump Selection
Build the Manifold
Build the Sub-Manifold
Build the Reservoirs
Make the Carrier
Final Assembly
Wire the Press
Testing and Adjusting
Mods and Options
Part 3
Vacuum Bagging

Vacuum Bag Basics
Polyurethane vs. Vinyl
DIY Vacuum Bags (A)
DIY Vacuum Bags (B)
Connect the Bag
Bag Closures
Bag Platens
Breather Mesh
DIY Frame Press

Part 4
Veneering Information

About Veneer
Veneering Glossary
Veneering Myths
Balancing a Panel

Veneer Glues
Veneering Tips
Substrate Materials
Flattening Veneers
A Sharp Veneer Saw
Jointing Veneers
Taping Veneers
Dealing with Defects
Curing Glued Panels
Veneering w/o Vacuum
Hammer Veneering
Iron-On Veneering
Veneer Storage
Amazing Bookmatches
Copper Veneer Guide
Paperbacked Veneer

Edgebanding Guide

Part 5
Miscellaneous Info

Vacuum Press FAQ
Veneering FAQ
Veneer Glue FAQ
Copper Veneer FAQ
Vacuum Forming
Vacuum Chucking
Vacuum Clamping Pedal
Vacuum Clamping Jigs
Vacuum Clamp Matrix
DIY Vacuum Manifold
Vacuum Press Gallery 1
Vacuum Press Gallery 2
Downloads (PDF's)


Vacuum Veneering - Tips, Tricks, and More

Maintenance, Troubleshooting and Repairs

Finding a Leak
With ordinary use, your vacuum system will last for as long as your enjoy the art of veneering. The only area on the unit that may require periodic attention is where the bag stem is connected. If you suspect the vacuum is running longer or more often than it should, you may have a small leak.

Troubleshooting a LeakTo find the leak, insert your platen and breather mesh into the bag. Then slide some brown kraft paper or blue "shop" paper towels inside the bag near the bag opening and under the vacuum stem. Close the bag and turn on the press. Allow the bag to develop full vacuum and then spray the bag stem and bag opening with water from a spray bottle.

Any leaks in the bag will show up as the water is absorbed by the paper. If the leak is at the closure, you may need to place some spring clamps on the plastic bag closure. A leak at the vacuum stem or at the edges of the bag can often be fixed with HH-66 cement.

Patching A Hole or Tear
If you notice the leak while pressing a project panel and need a quick fix, just place some clear packing tape over the hole and press it down firmly.

For a more durable patch, cut a piece of vinyl approximately 1" square. In a well ventilated area, prepare the patch and exterior of the bag using acetone or xylene. Very fine steel wool or a Scotch-Brite pad will aid in the cleaning process. Be sure that no residue is left on the surface of the vinyl when you are finished. Apply a coat of HH-66 vinyl cement to the bag exterior and the patch. Apply the patch to the bag and press it down using a J-roller or a seam tool. Allow the patch to dry over night before using the vacuum bag.

Vinyl patch kits used for repairing swimming pool liners also work well.

For additional tips, please check out the Veneering FAQ.

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