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Nail feeder problem

Paslode 350 nail feeder spring seems to have brocken can not find part but when i put nails in lever doesnot return to push nails up can you help/.thanks

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My hitachi nail gun NV 50AA will fire, but won't advance the nails on a regular basis

NV50 nailer is very difficult to repair due to complicated feeder /feeder spring / feeder retainer pin design. You most likely need to replace the orings on the feeder piston. Problem is that you must remove the feed pin/ spring to get the piston out. If you are going to attempt to replace the orings, study how the pin is installed otherwise you will make it worse. Order new springs (2 different springs ) and install them when you are going back together. Good luck

Mar 03, 2013 | Nailers

1 Answer

Nailer will shoot a nail, but will not foward the next nail. Gun is new maybe 15 lbs of nails or so.

If the nail will not advance, easy test will determine problem. Open door and remove the nails. Lightly tap the nose of the gun against coiled rubber hose or soft wood with door open. If the driver falls to bottom, the piston oring needs to be replaced. The driver should stay at top of cylinder. Next pull back the feeder to rear position and check for tension. The feeder should spring back towards you when you push. Finally, the check paws on the door should return to extended positon when you push on them. Replace springs as needed. Connect air to gun and rapidly bump fire the gun against rubber. The feeder should move back and forward just as quickly as the driver moves. Good luck

Aug 25, 2011 | Hitachi NV45AB2 78Inch to 134Inch Roofing...

1 Answer

Nail gun will not fire a nail each time but only fires correctly ever other time and leaves dimple from the head firing.

Here are a few tests for you to try. You will need a piece of rubber or coiled up old hose.
First open side door and remove nails. Tilt gun head down then up again to check if piston is loose in the cylinder. The piston should stay in top position. If piston drops to bottom of cylinder remove head and replace piston oring or apply some layers of teflon tape under oring to expand oring slightly untill piston stays at top but still can be pushed down cylinder (look at the lower bumper to make sure that it is not cracked or missing pieces, if it is breaking up the pieces can lodge within the air path to the feeded piston). If driver piston now stays at top, connect air to gun and with side door open contact gun to rubber firing gun noticing the feeder movement. With very rapid firing of the gun, the feeder should move back and fourth just as fast as the driver moves. If the feeder seems to move slower than the driver moves then check/replace spring in feeder piston chamber. If spring seems strong enough in your opinion then problem is restriction in the air supply to feeder, if air path is clear then replace orings to feed piston. You will need to remove the two 6m allen screws at front of gun and split gun apart to check restriction at the oring sealing these two parts. Sometimes debris traped at oring (white oring) will restrict air to feeder. Good luck.

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1 Answer

I changed the feeder springs in my hitachi NV83 a2 and it wants to double fire and jaming up the driver with seconded nail. it was skip nailing before i changed springs. any help you could give me would be...

Your nailer is a very heavy duty nailer with very powerful blow. Works best with full size nails, not 2 inch range that are used in fencing, they are not spaced correctly for your gun (like hitting number 6 nail with sledge hammer). Open side door and remove the nails, leave the door open and dry fire gun against piece of rubber or old coiled air hose. The driver should return all the way up between shots and the feeder should move back then forward just as fast as the driver moves. If the feeder seems to move in slower motion then pull feed piston and replace orings and remove debris from feed cylinder. If the driver seems to stick out further than normal then lower bumper could be breaking up causing debris to enter feeder. Make sure that the driver is not bent and has a squared bottom, if rounded, remove and grind square. Finally adjust the depth control up or down slightly and bump fire for test, do not place gun on the work then fire. good luck

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1 Answer

Paslode 350 nailer wont work , push to fire fan works for 2 seconds then light flashes from green to red

Sounds like a battery contact problem or a bad battery..

Here is a tip that I wrote about the Paslode nailers and the problems that can come up with them.

I also have a link to the Paslode manuals which contain Paslode cleaning and troubleshooting guides.

If you need parts for your Paslode, there also is a link for a site that sells the Paslode nailer parts.

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I am familiar with repairing paslode framing nailers. However, I am perplexed by my current scenario. It seems that the "stop" is not seated correctly. The "stop" is the small metal...

took one apart tonight. I think you have forgotten to put the spring in place that makes the pin go backwards. You can see it in the parts schematic. You can probably see the rub marks on th ein when you look at it.

Dec 15, 2010 | RTO Paslode 902000 IM250 Ii Cordless 16...

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I have a paslode straight finish nailer, purchased in Australia around 2001. The problem is that the pin that drives the nail out of the gun does not retract back into the cylinder. I have it apart and the...

is the cylinder really dirty, if so it needs a thorough cleaning. your instruction mnual detailes how to do this. also look for a jammed nail in the nose area and possibly a bent driver.

Sep 15, 2010 | Omega Paslode 901000 Impulse Cordless...

1 Answer

Pin to drive nails does not return afteer first nail bostich nail gun n89c_1

the piston that drives the nail is commonly known as a single acting spring return meaning air pushes the piston and the drive pin down driving the nail in and a spring is supossed to push the piston and pin back up to load the next nail the springs are not usaly very strong so lubrication could be the problem as well try using some "air tool oil " available anyplace airtools are sold do not use wd-40 or engine oil while these may offer temporary help they will come back to haunt you if a good oil doesn,t sole your problem then its "spring time" although they have lots of safeties built in when working with a problomatic nail gun please be careful high presure air risk of injection fast moving projectile again risk of injection Good Luck

Oct 09, 2009 | Hitachi NV45AB2 Roofing Coil Nailer

1 Answer

Paslode air nailer

With the Paslode cordless tools there are a couple of things that will prevent the tools from firing; a jam at the nose of the tool, a dirty combustion system and slack in the spring that pushes the finish nails forward.

First, remove the battery to prevent inadvertant firing, then check to see if you've had two finish nails driven thru the head. Remove any finish nails in the tool. Now lift the nose latch up to release the drive head mechanism. Once you have that up, you can look and see if there are any nails jammed in between the guide and the driving ram. You can push up the ram with a flat bladed screwdriver to make it easier to get the jammed nails out.

IF, the jam can't be removed easily with a pair of needle nose pliers, by pulling the nails down and out away from the tool body, you'll have to take the front nose of the tool apart (not normally needed, except in really severe jams).

If the tool isn't jammed, try putting in a new full strip of nails and pull back on the spring about a inch or two and let it go, so it'll push the nail strips all thw way forward, which will make sure the nailer isn't being locked out by the "last nail" safety switch.

Lastly, you need to clean the tool, as they don't work reliably when dirty, so follow the cleaning instructions that Paslode provides with the tool (they're tool involved and lengthy to type here)

Some other things you can check are to make sure the fuel cell cap is properly seated on the fuel cell, by pushing it all way on both sides till it clicks in place. Also, you can check for fuel flow by briefly depressing the fuel cell against a flat surface (no open flames nearby!!) to see if you're getting any fuel squirting out of the cell, as sometimes that helps to get the fuel flowing.

It also needs to be warm enough to operate. These tools don't do well when subjected to very cold temps. I always keep the batteries and fuel cells inside when the temps are below 40 degrees.

I've found that the Paslode finish nailers jam frequently due to the plastic carrier that holds the nails together, so I don't bother trying to use any small nail strips, (2-6 nails left) as they tend to cause problems. It's more productive to just use full to 1/3 strips of nails and avoid the possibility of jamming that comes with trying to load in some 2-6 nail strips.

Hope you find this Very Helpful and best regards!

Aug 24, 2009 | RTO Paslode 902000 IM250 Ii Cordless 16...

1 Answer


Yes there are many different kinds of siding nails from all over the world. Stores that sell nails buy/import nails from where-ever the labor/cost is cheapest. The importer uses a private label so the nails from one company in China will produced according to requirements and will be sold under many different brands in the US. The result is that the nails are not exactly the same from batch to batch. I have seen coils that measure from 3/16 to 1/4 inch between the nails. Closer to 1/4 inch is more ideal for your nailer. The (nv65ah) is listed as a 16 degree canister angle, however you probably purchased 15 degree nails because nothing else is available. Should be no problem assuming everything is working ok. When you insert nails into feeder, make sure that the first nailhead is positioned under the driver and not too far to the edge because the driver will bend the nail if not hitting dead center to the nail shaft. Ask for a sample section/ roll of different brands and type of nail to find the best nail for your gun. Best place to find nails is a fastener company that only sell nails/ nailers/compressors to contractors. For best results, make sure that the driver is squared/flat at the tip. If is not, remove the driver and grind it flat (do not grind too much). If driver and nails check out ok, then it may be time to replace springs/orings in feeder area. Go to and take a look at the breakdown of your gun and notice that there are several springs in the feeder area that will weaken over time/use. There should be two springs in doorlatch area, one on the feeder itself, and one large spring pushing on the feed piston. Good luck with your issue and email if you have question.

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