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: My gun has a very slow response when I pull the trigger. Its not as fast as it used to be.
ANSWER:   The problem is the muffler/Exhaust port on the bottom of the gun handle. On the bottom of the handle is a hex head   bolt with a 1/8" hole in the center. That's the breather/filt
Boiling parts in antifreeze. Manufacturers love it when you do.
Some manufacturers love it when you boil your parts in antifreeze to clean them. As for me, it drives me nuts, but - go ahead and order new parts after you ruin yours. You know why all radiators ar
Chambers resurfaced on sandpaper
Everyone cleans their chambers on sandpaper and it does do a good job at removing small scratch marks. Over time, the chamber will become "cupped" from sanding in a circular pattern and "inclined" fro
Dangers of compressed air
Atmospheric air typically contains 2 million dirt particles per cubic ft. Of that, 80% of these particles are less than 2 microns in size and are too small to be captured by the compressor intake fil
Fluid is by passing as soon as I turn on the fluid.
ANSWER:  The majority of the time, this is from the side seal (the little steel thingy that rides on the mix chamber - known as assembly18C) not sealing on the chamber surface.  Check your
Flushing the "A" Side hose. How many gallons of fluid do I need to flush it out?
I get asked this all the time, so I thought I would play around and tell you how to figure that out. A 3/8" hose. Remember Math class and saying "when will I ever need to know -  πR² 
HOT WEATHER problems with spray foam.
This time of year, we get numerous calls with issues on guns locking up, crossing over and guns spraying for a few seconds before it just stops spraying. As the weather gets hotter, the gun cross-over
Increase your transfer pump and drum mixer life 10 fold
Air is supplied to the transfer pump and the drum mixer. Most of us have water in the air along with metal (rust from the inside of your air tank). All o-rings have a built in lubricant. This lubrican
MSDS Sheets: Is it acceptable to distribute copies of MSDSs and consider that to be training?
This was copied from the OSHA web site: Response:  OSHA's Hazard Communication standard (HCS) contains the required, minimum elements in an employee information and training program. See, 29 CFR
My chamber broke on the lock tab (or piston were the chamber locks on)
ANSWER: Try decreasing your air supply down to 80psi. Many run at 120 Increasing the line pressure increases the force thinking they get a better fan pattern. Truth is, the air supply does 2 things.
My side cartridge broke.
Broken edges on the side cartridge have -0- effect on your gun performance. The part is only shaped that way so the front retaining cap will screw on. ( hard for a round cap top screw onto a flat surf
No fan pattern when spraying, it's just a pee stream
1: If the foam is curing properly, but the gun has no fan pattern, the problem is most likel;y in the main port of the mix chamber. Fan pattern is made in the main port were the foam exits. You could
No Purge Air
QUESTION:    I can't get any purge air. ANSWER: Here is a link to a cutaway view of the internal ports in the handle:
O-Rings - Are your the same as Graco?
We have several types of O-rings . First off, Viton™ is a registered trademark of DuPont™. Number 2: I hear often about the Graco "double Viton™ o-rings". There is no such thing as a double Viton™ o-r
OSHA VIDEO: Respiratory Protection in Construction
10 Minute video. Respiratory Protection in Construction (English) Proteccion Respiratoria en la Construccion (Español) (copy/past
OSHA Fit Test Program - FACE MASKS
Having an established "Fit Test Program" for your employees is an OSHA mandate and not just friendly advice. Failure to meet OSHA standards can rack up to $10,000 in fines per occurrence.  Here i
OSHA Fit Test Program - HOODS / HALF MASKS
Here is the link to OSHA and their Fit test procedure for Hoods and 1/2 Face Masks. Manual: Video: English and Spanish Versions- http://
OSHA Required - Written Respiratory Protection Program
Stay up to date on what OSHA requires from you. OSHA fines can start at $10,000. Here is a link to the American Chemical Council. I suggest you print a copy and put it in your OSHA binder (are we allo
PPE and OSHA standards for training employees
Here is a link to the OSHA site that will give you a brochure on what employees are expected to know about proper PPE required for their job. (copy/pas
Proper shut down of the gun at the end of the day
To shut down: 1 - inject the grease till it blows out the nozzle (usually 2 pumps) 2 - turn off the air supply 3 - 1 more shot of grease 4- shut off fluid valves. Turn off the fluid s