Question about Senco SHF50 2" Hardwood Flooring Nailer 710001N

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SENCO SHF 50 floor nailer won't consistently sink cleats

I have a SENCO SHF 50 floor nailer that is operating erratically. When operating at 90-110psi, it will sink 2-6 cleats and then leave the next 2-6 sticking up out of the wood by about 1/4-3/8". I can increase the air pressure significantly and it will sink the cleats much more regularly. This problem has been getting worse over time, but I don't know if the valve isn't allowing enough air into the cylinder or if the piston assembly is worn. It seemed tight, but that doesn't necessarily mean anything. The compressor is supplying plenty of air at the end of the hose. Suggestions? Parts are expensive and I don't want to buy something that I don't need.

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Most likely you need new gaskets. They are cheap and easy to replace and its a good place to start.

Posted on May 05, 2010

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Mine needs a new gasket after to jobs , is not a good tool

Posted on Feb 09, 2010

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Some Senco tools reqire oil.  there is oil specially designed for tools. 

Posted on Aug 02, 2009

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1 Answer

My bostitch 201 manual floor nailer is stuck with cylinder in the down position. Brand new refurbished, about 50 2" cleats driven without a problem, then some sort of misfire resulting in the stuck...


Could be bent driver or debris. Easy to check. Remove air supply and nails. Remove the four bolts holding bottom of nailer together. Make note of how the pieces are assembled. Set bottom parts to side move piston in and out of the cylinder. Should be fairly easy to move but should not drop out of cylinder of its own weight. Next insert driver into nose to check for smooth fit. Bent driver should be obvious and can be straightened. If driver looks good, find and remove debris from nose of gun. Good luck with your flooring projects Order spare parts kit to have on hand because drivers will break and bend and the lower bumper will begin to break-up.

Aug 06, 2011 | Stanley Bostitch MIIIFN Flooring Nailers

1 Answer

Nail won't set to allow tongue to enter groove


Your nailer has variable sized plates /shoes bolted to the bottom. I believe that there are about three different thickness available. Take a look at the link below for a parts list showing the sizes available. For a quick fix to drive the cleat deeper, use a thinner bumper below the head of where you strike the nailer. If you manually push down the striker, you can see how much of the driver comes out the bottom. The bumper below the head (black rubber washer) cushions the striker against the body of the nailer. A thinner bumper (you must be creative here) will allow the driver to extend out slightly more. Good luck with your flooring projects.


nailer-parts-c-29443_29458_29679.html">http://www.ereplacementparts.com/bostitch-mfn201-flooring-nailer-parts-c-29443_29458_29679.html

May 30, 2011 | Stanley Bostitch MFN201 Factory...

1 Answer

The nails will not drive into the oak flooring! the compressor is at 100psi and the nail gun mis fires or when it does fire it only drives the nail 1/4 inch into the flooring. It is a Akuzuki x-799


I am not familiar with that name of nailer but when I have run into that problem it was because of too much oil used in the gun. If so this will have to be cleaned out. You do not have to oil a gun every time it is used if not used consistantly for long periods of time. Also are you using the proper guage nails? Something to consider hope this helps.

Apr 25, 2011 | ProSeries Akuzuki Contractor Pro Series...

1 Answer

My MFN-201 cleat driver will not drive the cleats deep enough into the 3/4 inch prefinished bruce flooring. It postitions the cleats fine. It is on the Rachet setting.


There is a piece of rubber under the head called the bumper. This rubber piece is what stops the driver from forward travel. If you remove this rubber or replace with thinner, you can drive nail deeper. Most likely your driver blade may be worn or where driver blade attaches to shaft may be worn. Tool would need to be disassembled to check. Parts are not expensive and available at www.bostitch.com Good luck

Apr 06, 2011 | Stanley Bostitch Mfn201 Manual Hardwood...

1 Answer

Nail is jammed in my porter cable fcn200 cleat nailer --how do I get it out?


Hi,

It looks like those guns have a problem with driving the last few nails... so don't let them go all the way down before refilling...

There also should be a tool included to relase the nose so the jamm can be cleared...

Checkout the reviews here there is a ton of helpful info there...

http://www.amazon.com/Porter-Cable-FCN200-Pneumatic-Flooring-Nailer/product-reviews/B00005JRKG

heatman101

Nov 26, 2010 | Porter Cable 2" Flooring Cleat Nailer...

1 Answer

Nail not sinking completly


Usually too low pressure or lack of lubrication. Also using too long a hose or too small a hose can cause this. Make sure you put the drops of oil into the unit at start of each day and use the approved air tool oil. Air pressure should be per manufacturer;s spec... I use around 90 PSI.
Using a small 1/4 inch air hose that is very long can cause the problem... Keep it under 50 feet.

Oct 26, 2010 | Senco & Frame Pro 601 Framing Nailer

1 Answer

What is the correct way to place the nails into the gun? This gun uses both cleats and staples. I am using cleats but it does not seem to be working. I may be putting the cleats in wrong.


If you have a Bostitch MIII FN it is only for cleats. Bostitch doesn't make a universal nailer that takes staples and cleats. The MIIIFN is the "floor nailer" and the Model MIIIFS is the "floor stapler"
Maybe check exactly what model you have and ensure you are not trying to put cleats into a stapler.

Oct 17, 2010 | Stanley Bostitch MIIIFN Flooring Nailers

1 Answer

Using the BOstitch flooring nailer, good air pressure and using cleats. but when i tap with hammer noting happens. the nailer goes off as if it had gone off but no nail was driven.


1. check to make sure the magazine does not contain a jam.
2. check to make sure the driver retracts fully to allow the cleat to advance
3. Be sure to have at least 90psi and to hit the head hard enough to fully fire the nailer.

Sep 25, 2009 | Stanley Bostitch MIIIFN Flooring Nailers

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