CP 734 Trigger Broken

SOURCE: model 734 1/2 in impact.wont

Yes, if you take it apart you'll find that the trigger isn't allowing air to pass through to the veins of the impact wrench. It's a relatively simple mechanism, where maybe something is broken inside.

If it were blowing air but the veins were stuck, I would say, lubricate it. But, if no air goes through it at all, then the trigger housing houses the problem part.

Have you tried to disassemble the air wrench?

SOURCE: My 1/2" CP air wrench just blows air thru when I pull the trigger

I have ran into this many times, even though you keep it oiled dirt can and will get inside. what you need to do is unscrew the 4 alen head bolts and pull the nose off. You will see a shaft that looks kind of like a crankshaft with 5 or 6 flat carbon fiber plates sitting loosely in groves around the shaft. pull those out and clean them with solvent and check them for damage or wear. clean the inside of the gun with solvent or brake cleaner, reassemble and it should work fine. If the plates need replaced then you should be able to order them from a tool supplier,and they are not that much.

SOURCE: sand has entered my CP734 impact wrench.

Check the following website. It is a pdf file, so you will need Acrobat Reader, which is available on this website. After it loads, it lists various CP model numbers on the left side, so scroll down to 734 and click on it( it says 734 OBS) and it will open an exploded view of the breakdown of the CP 734 impact wrench. On the Acrobat toolbar, you can expand the picture as much as you want to and print it.

Good Luck!