An official website of the United States government
Here's how you know
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Home : Articles
Have a Soldier/Warfighter who takes pride and ownership of their assigned equipment? Then nominate them for PS Magazine's "I Own This" recognition program. Click HERE to learn more.
PS Magazine poster image which links to the posters page at
Click on image above to view and
this and other posters
Would you stake your life, right now, on the condition of your equipment?
NEWS | July 17, 2023

Black Hawk: Use Proper Pliers

BLUF: Use cannon plug pliers to remove the load-demand and the power-available rotary input housing.

Soldier performs phase maintenance on a UH-60L Black Hawk helicopter.
Photo by Master Sgt. Matt Hecht
This article initially appeared in PS 652 (Mar 07), p. 37.

Mechanics, ingenuity in performing Black Hawk maintenance is normally a good thing. But not in all cases.

If you’re removing or installing the load-demand and the power-available rotary input housing, use the required cannon plug pliers—not channel locks or vise grips. That’s because all you’ll get from using the wrong tool is an unserviceable housing and no engine power.

Remove fittings with right tool
Remove fittings with right tool

Use cannon plug pliers not channel locks
Use cannon plug pliers not channel locks
If no plug pliers are available, try using a strap wrench. But whatever you do, perform maintenance by the book and not from the hip.
Editor’s note: Minor revisions were made to the original article to bring it current and for accuracy.
Want to get better search results faster? 
Click the link below to access our "how to" guide
After entering a keyword, you must hit or click the Search bar/box below for the function to work.
Simply hitting Return won't yield results.
Note about links to archive articles

If you come across a link to a pre-2014 PS Magazine issue or article that uses LOGSA in the web address (URL), use this link instead:
For issues/articles from 2014 and after, click on the Archive/Index tab in the top menu of this website.

BE ADVISED: With the migration to Army365, emails in older articles may still reflect an address. To update, change the domain to