7mm tubes too tight

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mrmartyking

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Joined
Sep 17, 2012
Messages
84
Location
Seattle, WA
When assembling my slims and comforts, the 7mm tubes are too tight on the transmission. What should I do? Silicone on the transmission, or what?
Thanks
 
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BRobbins629

Passed Away Dec 28, 2021
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Mar 8, 2006
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Location
Richmond, VA, USA.
Could be just the ends that have crushed. If you have a pipe reamer, chamfer the ends and test again. A file may work as well.
 

lorbay

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Joined
Jul 2, 2009
Messages
3,384
Location
BC. Canada
When assembling my slims and comforts, the 7mm tubes are too tight on the transmission. What should I do? Silicone on the transmission, or what?
Thanks
I have this happen on all of my bullet pens as I solder my tubes in and the heat shrinks it ever so little and making the tranny too tight, so I always file mine.

Lin.
 

BigShed

Member
Joined
Feb 14, 2008
Messages
1,068
Location
Adelaide, SA, Australia.
When assembling my slims and comforts, the 7mm tubes are too tight on the transmission. What should I do? Silicone on the transmission, or what?
Thanks
I have this happen on all of my bullet pens as I solder my tubes in and the heat shrinks it ever so little and making the tranny too tight, so I always file mine.

Lin.

I make a lot of bullet pens but I use a .249" chucking reamer to resize the id of the tubes, it is quick and repeatable.
 

Dustygoose

Member
Joined
Jan 16, 2010
Messages
977
Location
Greenbrier, Arkansas
If you don't have any glue in the upper tube, Slowly file the dimples on the silver part of the tranny until it fits better, I have a reamer I use after I square my blanks
 
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