Title: TFP340_03_2007.pdf
After installation, the sprinkler wrench flats and frame arms must be in- spected and the wax coating re- touched (repaired) whenever the coat- ing has been damaged and bare metal is exposed. The wax coating on the wrench flats can be retouched by gen- tly applying a heated 1/8 inch diameter steel rod to the areas of wax that have been damaged, to smooth it back over areas where bare metal is exposed.NOTES Onlyretouchingofthewaxcoatingap- plied to the wrench flats and frame arms is permitted, and the retouching is to be performed only at the time of theinitial sprinkler installation.Thesteelrodshouldbeheatedonlyto the point at which it can begin to melt the wax, and appropriate precautions need to be taken, when handling the heated rod, in order to prevent the installer frombeingburned.