Checkline AT-A - Manual (Page 4)

Page 5
3. Gently push down on the dolly to squeeze out excess adhesive. Do not twist or
slide the dolly back and forth on the coating as air bubbles may be generated.
4. Carefully remove excess adhesive from around the edges of the dolly with
included cotton swabs.
5. Allow to cure per the adhesive manufacturer's instructions
Many adhesives cure faster and provide a stronger bond when cured with
heat. Similarly, cold environments may cause a longer cure time and weaker bond
strength.
Step 3: Test Area Separation Step 3: Test Area Separation
Drilling Template
Cutting Instructions
1. Cut through the coating around the edges of the dolly with the included cutting
tool, removing any excess adhesive.
2. Clear away any debris from the cutting process.
-Cutting may induce coating surface flaws such as microcracking that
may alter test results.
-For coatings with strong lateral bonding it is recommended to cut
completely through the coating down to the substrate.
The decision of when to cut around a dolly is dependent on the standard,
specification or contractual agreement to which the test is to comply. The primary
purpose for cutting through the coating is to isolate a specific diameter test area.
When the decision to cut into the coating has been made, it is recommended to cut
all the way through to the substrate. As a minimum, it is suggested to carefully cut
away excess adhesive from the dolly application process. This typically prevents a
larger area of coating from being pulled away from the substrate, resulting in a
higher pull-off pressure.
When testing very thick coatings, an optional drilling template may be preferred.
NOTE:
NOTE: