1890U Service Videos
The following video goes over step by step on how to disassemble your Model 1890U Underlayment Stapler. Disassembly of your stapler may be required in many repair situations such as drive blade assembly replacement or complete seal kit replacement.
Drive Blade Assembly Replacement
This video demonstrates how to remove and replace the drive blade in your 1890U Underlayment stapler.
Seal Kit Repleacement
All Powernail pneumatic machines have kits for seals to keep your machine operating at its best. This video will show you step by step on how to replace all the seals in you 1890U Underlayment Stapler. It is recommended to watch the 1890U disassembly video before you begin.