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#215621 - 06/14/15 02:32 PM Vacuums and Wire Pulls  
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
OK, I'm sure we've all used some method to suck (or blow) a pull-string through a conduit run. I'd like to discuss that: what has worked best for you?

First, do you prefer to use a vacuum to pull the string towards you, or would you rather push it through the line?

If you use a vacuum, which one? Big or small? How have you modified it? What would be the 'ideal' vacuum to have on hand? (Or, should I ask, "two vacuums?")

How do you connect it to the conduit- especially when the pipe is behind a mud ring, off to the side?

Do you make it a practice to tape / caulk / or otherwise seal pipe connections in long runs?


Work Gear for Electricians and the Trades

#215622 - 06/14/15 07:43 PM Re: Vacuums and Wire Pulls [Re: renosteinke]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,117
Estero,Fl,usa
I like that 3M "toner" vacuum. It is compact with a real good motor. There is enough taper in the hose to fit a lot of holes in the 1-1.5 range and if you have some transition fittings in the box you can get to just about anything.


Greg Fretwell

#215623 - 06/14/15 09:52 PM Re: Vacuums and Wire Pulls [Re: renosteinke]  
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
Would that be the #m #497 HEPA vac? At about $250, price isn't impossible. Shoulder strap and toolbox shape (with internal storage) look like good ideas.

It does not look like you can use it to blow, though.


#215624 - 06/14/15 11:10 PM Re: Vacuums and Wire Pulls [Re: renosteinke]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,117
Estero,Fl,usa
I have always pulled the mouse. It is hard to get a fitting on the pipe that will still let the string through.
If you are sucking from the far end, you just feed the string and listen for the mouse to go into the filter.


Greg Fretwell

#215625 - 06/15/15 10:55 PM Re: Vacuums and Wire Pulls [Re: renosteinke]  
twh  Offline
Member
Joined: Mar 2004
Posts: 918
Regina, Sask.
It depends on the compressor, but 100 psi from an industrial system with a big hose can't be beat by a vacuum.


#215626 - 06/15/15 10:57 PM Re: Vacuums and Wire Pulls [Re: renosteinke]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,864
Brick, NJ USA
Greenlee blower/vac system, older version of the current 690. Backup/helper was a Craftsman shop vac.

Push or vac? Sometimes both, most were a mouse and push, occasional 'pull' from the 'backup vac.

Didn't worry about sealing; all was UG PVC.

EMT, and RGC, was 90% fish tape/snake.


John

#215627 - 06/16/15 12:56 AM Re: Vacuums and Wire Pulls [Re: renosteinke]  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,261
Fullerton, CA USA
Jet Line makes a CO2 blowing system.
It has a rubber cone (that goes in the end of the conduit) attached to a hose with a hole in it to feed the string through.
The hose attaches on the other to a high pressure CO2 tank.
It doesn't use electricity and can be used anywhere

It works like a charm. smile


#215628 - 06/16/15 11:28 AM Re: Vacuums and Wire Pulls [Re: renosteinke]  
HotLine1  Offline


Member
Joined: Apr 2002
Posts: 6,864
Brick, NJ USA
Sure sounds like it beats having a genset, etc. to drag around.

I wonder if it was 'around' before 2002??


John

#215629 - 06/16/15 11:54 AM Re: Vacuums and Wire Pulls [Re: renosteinke]  
electure  Offline


Member
Joined: Dec 2000
Posts: 4,261
Fullerton, CA USA
If you're talking about the CO2 system, I used a well worn one in the mid '70s. smile

I guess JetLine is now a Gardner Bender product

http://www.gardnerbender.com/en/jo25




#215630 - 06/16/15 11:56 AM Re: Vacuums and Wire Pulls [Re: renosteinke]  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,117
Estero,Fl,usa
CO2 has become pretty expensive stuff. Maybe a tank of compressed air might be a better choice.


Greg Fretwell

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