Technical Tip – Preventative Maintenance

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
photo1

Remember to change the TSL. Failure to change TSL will cause wetcup on reactor to freeze up. This will cause serious wear and damage parts to the reactor.       Exposed grease on the outside of the machine housings usually...

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Technical Tip – Spray Gun Cleanliness

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
spray-gun-cleanliness-1

One thing that often times is not considered when preparing to start applying foam is keeping the spray gun clean. That is until there’s a problem mid-day and the gun needs to come apart  for maintenance. When the time comes...

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Tech Tip – Fusion Gun Maintenance

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
fusion-gun-maintenance

Ensuring that your Fusion spray gun is properly maintained is imperative to get the job done quickly and efficiently.  To often we that guns are not working properly, but they have not been disassembled in weeks. There are 21 different...

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Tech Tip – Y Strainer

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
Y-strainer-body

In the following pictures you will see a Y strainer body, screen and seal.  This strainer is located on the supply side of the machine and is located on both the A and B sides.  These screens and seals should be checked...

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Tech Tip – Overspray, A Contractor’s Worst Nightmare

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec

What is Overspray? Do we protect against it, or prevent it? How do we fix overspray damage when it occurs? The object of any spray foam or coatings project is to confine the sprayed material to the intended target such...

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Tech Tip – Fusion Gun Maintenance

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
o-rings

Ensuring that your Fusion spray gun is properly maintained is imperative to get the job done quickly and efficiently.  To often we that guns are not working properly, but they have not been disassembled in weeks. There are 21 different...

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Tech Tip – Ever Break a Drillbit in a Mixing Chamber???

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
drill-bit-5

Often times while applying spray foam, hardened material gets stuck in the mixing chamber that the purge-air just won’t blow out; in most cases this happens while applying closed cell foams. When hardened material is noticed or the pattern from...

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Tech Tip – Graco Fusion AP Mixing Chambers

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
gun

Graco Fusion AP mixing chambers canbe damaged or broken during foam processing. The sprayer should focus on two areas or the gun if the mixing chamber breaks. 1.  Make sure the air cap is installed correctly.  The front of the...

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Tech Tip – Protecting Your Hose From the Elements

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
hose1

One of the largest investments on your equipment is your heated hose. Dragging it in and out of your truck and across the ground to the job site can damage it in many ways. Nails, sharp rocks and metal banding...

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Tech Tip – Spraying in Cold Weather

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
drum-blanket

COLD WEATHER TECH TIPS With the cold weather upon us, I feel the need to remind everyone about some of the following things that will help insure good foam is being applied and equipment problems are minimized. STORAGE Try to...

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Tech Tip – Proportioning Equipment Maintenance

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
december-tech-2

Daily Maintenance: The proportioning equipment that is used to process foam and high performance coat requires constant attention and routine maintenance in order to perform the way it was intended. One of the many components that require daily attention is...

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Tech Tip – Avoiding Foam Shrinkage

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
moisture_reader_1

Are you having problems with your foam pulling back or shrinking? Getting ready to spray foam on a surface that has moisture on it sometimes can make the foam shrink back from the studs and or peel off of the...

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Tech Tip – Coating Yields

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
wet_mil_gauge

Determining yields on coatings is not unlike determining yields on spray foam, The following hold true for both: (1) Smoothness of surface (2) Material temperature (3) Thickness applied (4) Equipment & tip size used (5) Sprayer experience For all of...

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Tech Tip – Circulation of Open Cell, Water Blown Foams

Category: Spray Foam Contractors, Tech Tips, Uncategorized   Posted by: demilec
circulation-open-cell

When processing Demilec open cell foam it is important to circulate the A and B components prior to application. Circulation aids in increased yield and productivity, better physical properties of the insulation system, and maximizes the delta T of the...

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Tech Tip – The Importance Of Properly Greasing The Air Motor On The Transfer Pump

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
air-motor-protected

Have a sluggish transfer pump? Does it seize on you? Chances are, it’s not being maintained properly. Many people lube the air motor potion of the pump with lithium grease that causes it to become extremely dry and sticky. This...

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Tech Tip – Iso Removal from Pumps & Equipment

Category: Spray Foam Contractors, Tech Tips, Uncategorized   Posted by: demilec
iso-removal

Isocyanate reacts with moisture creating hard crystals or scale which in some case may damage or ruin equipment. Removing this dried iso from spray foam equipment is necessary to prevent internal damage or contamination. The removal process can be difficult...

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Tech Tip – Fusion Mix Chamber

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
fusion-mix-chamber

Mix Chambers for the Fusion Gun: Always make sure to check and properly clean your mixing chamber using only the proper drill bits that come with the mixing chamber. Using the wrong size drill bit will cause over size ports...

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Tech Tip – Rupture Disk Assembly

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
e-series-reactor

If you see chemical dripping out of the back of your machine, it is quite possible that your rupture disk needs to be replaced.  Rupture disks are designed to burst to relieve pressure in order to prevent dangerous high pressure...

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Tech Tip – Refinishing Metal Side Seals

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec

** Note -This method of refinishing metal side seals is to finish a day or job. The metal parts will no longer have the factory finish and may scratch again. ** Materials Needed: Hard flat surface -  example:  marble or granite...

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Tech Tip – Air Caps for the Fusion AP Guns

Category: Spray Foam Contractors, Tech Tips, Uncategorized   Posted by: demilec
air-cap

Air Caps for the Fusion AP Guns: Be careful not to use a drill bit to drill debris out of the four clean-off air ports at the back of the cap. Instead use a brush from the Fusion AP brush clean out...

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Tech Tip – Spraying Foam in Cold Weather

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
drum-blanket

COLD WEATHER TECH TIPS With the cold weather upon us, I feel the need to remind everyone about some of the following things that will help insure good foam is being applied and equipment problems are minimized. STORAGE Try to...

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Technical Tip – Connecting Rods

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
connecting_rod_1

When maintaining your Reactor, one of the quick things to check on the E-series machines is the connecting rods. These are the rods that connect the motor to the displacement pumps, located on the side of the machine. If the  bearings on...

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Tech Tip – What is an 0A Error Code?

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
0A-error

An 0A error code on an Reactor Series propotioning unit simply means that the machine has lost communication to the FTS (Fluid Temperature Sensor). This kind of reading is displayed if the FTS is disconnected at startup or if there is an...

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Prevent Your Reactor from Overheating and Shutting Down.

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
e30-cracked-shroud

During summer months we see a lot of problems with the Reactors overheating and shutting down. The circuit boards have their own thermal limit sensors and will shut down if the proportioning equipment gets too hot. One common indication that...

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The Importance of Desiccant Dryers

Category: Spray Foam Contractors, Tech Tips   Posted by: demilec
dryer 2

Desiccant cartridges are extremely important to help prevent moisture from entering the A-Side Isocyanate drum as well as the recirculation line (*if applicable) on the Iso side. These 10” canisters feature a small indicator window that lets you see when...

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