Festool Owners Group

GENERAL DISCUSSIONS => Other Tools & Accessories => Topic started by: Motown on July 04, 2017, 01:50 AM

Title: Need some help w/ Grex Green Buddy
Post by: Motown on July 04, 2017, 01:50 AM
Hello Foggers. I am hoping you can help me out, I am in the middle of installing casing and molding for four bedrooms and my Grex Green Buddy won't shoot nails. I've read the manual, searched the web, tightened all screws. It appears the driver is fully extended and won't retract.

Any words of wisdom would be greatly appreciated.
Title: Re: Need some help w/ Grex Green Buddy
Post by: RKA on July 04, 2017, 12:48 PM
Any chance it's bent and that's the reason it won't retract?  Did it misfire or try to shoot a nail through metal just prior to this?
Title: Re: Need some help w/ Grex Green Buddy
Post by: T. Ernsberger on July 04, 2017, 01:10 PM
I would inspect the driver,  if its in good shape I would push the driver back up in the gun and try it out.
Title: Re: Need some help w/ Grex Green Buddy
Post by: RKA on July 04, 2017, 09:08 PM
You did oil the gun right?
Title: Re: Need some help w/ Grex Green Buddy
Post by: Chris Wong on July 04, 2017, 11:20 PM
Remove the nose plate and see if you can get the driver out. Have a good look for any damage, and if you don't see any, reinstall it and see if the problem recurs. If it does, we need more info to help troubleshoot.
Title: Re: Need some help w/ Grex Green Buddy
Post by: tjbnwi on July 04, 2017, 11:31 PM
Sounds like a piece of a brad has jammed the driver. Do as Chris suggests, remove the nose and examine the driver area.

Tom
Title: Re: Need some help w/ Grex Green Buddy
Post by: Motown on July 05, 2017, 10:28 AM
Gents, Thank you for your help. Here is a photo of the driver/piston fully extended and it won't retract. I am scared that if I push too hard I'll either bend or damage it.
Title: Re: Need some help w/ Grex Green Buddy
Post by: Motown on July 05, 2017, 10:29 AM
Another angle.
Title: Re: Need some help w/ Grex Green Buddy
Post by: tjbnwi on July 05, 2017, 08:51 PM
Appears to be something jammed between the driver and the housing. It is very visible in the first photo.

Pry the driver away from the guide channel gently. As long as you don't get crazy you shouldn't hurt the driver.

Tom
Title: Re: Need some help w/ Grex Green Buddy
Post by: rst on July 05, 2017, 09:11 PM
I've been using (and fixing) air tools since 1971, Tom is correct,pry the blade loose, remove what ever is jamming the blade, lube (I use Houdini 4-Way Lock Lubricant), and reinstall.  The biggest problem I've had is with the headless pinners, if the pins are installed upside down they will often jam.
   
Title: Re: Need some help w/ Grex Green Buddy
Post by: Motown on July 05, 2017, 11:51 PM
Thanks guys. I couldn't see it with my naked eye and now I can see it clearly. I am a little nervous about bending the driver but will give it a shot.
Title: Re: Need some help w/ Grex Green Buddy
Post by: wptski on July 10, 2017, 04:02 PM
The nose guide in this parts list (http://www.grexusa.com/grexusa/downloads/tool_diagrams/grex_1850GB_schem_partlist_A4_R01.3) can be loosened or removed to help out.