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Need help from any familiar with the 347 or related models of benji.... struggling with my 1972 347. Trying to get the first chamber nut unscrewed with the square tool. wd 40 overnight but still no budge manually. Have not tried a vice yet. One vid on youtube the guy just placed it and...

Need help from any familiar with the 347 or related models of benji.... struggling with my 1972 347. Trying to get the first chamber nut unscrewed with the square tool. wd 40 overnight but still no budge manually. Have not tried a vice yet. One vid on youtube the guy just placed it and...

Sorry to play off this thread, but were you successful getting the first nut of the air chamber out? Anyone out there please provide tips. I'm using the square end special tool and have wd 40 in all night but not budging. Have not attempted a vice yet, just trying by hand.

IMPORTANT QUESTION: new comment on a very old thread but hopefully someone can reply. First time attempting to pull the air chamber on my 1972 347. The square end tool is not budging on the first nut of the air chamber. I never left my gun outside and always stored in AC home closet but...

Help, in here for different thread input. ie. Getting air chamber out of my 1972 347. I never left my gun outside and always in my closet. However, using the special tool to unscrew the air chamber, the first nut seems fused. Anyone with old Benji repair knowledge have some tips? I put a...

thx Jim, do you happen to know if worst case scenario and it breaks off... will it impact entrainment negatively do you think? slits are so close to that hole that there is a high chance it will break off and left with about a 3mm sq gap there. hoping if the cup and felt get past there each...

Seeking knowledge and input here regarding my boyhood 1972 347. After 35 years in closet, decided to do the preplacement kit. However, when removing the pins, the plunger was all the way down and I didnt realize the torque on the extending arm actually sliced and bent a small piece of the...