7-30 Field–Replaceable Units (FRUs) 501510 Rev. S7.10.2 Front Panel/Door Assembly ReplacementThis procedure assumes that the Front Panel/Door Assembly was removed in Section7.10.1. The four pan-head screws that held the large and small links were originallyinstalled with Loctite 242 thread locking adhesive. These screws should again belocked in place when replacing the Front Panel/Door Assembly. There are three ac-ceptable choices in order of preference:• Place a small drop of Loctite 242 on four new pan-head screws suppliedwith the replacement assembly. The screws are 4-40 x 3/16” Pan Heads.• Place a small drop of Loctite 242 on the four original pan-head screws thatwere just removed.• Use the original pan-head screws as is. The Loctite residue is better thannothing.1. While supporting the Front Panel/Door assembly with one hand, slide the largelink over the threaded standoff and using a No. 1 Phillips screwdriver, install a4-40 x 3/16” pan-head screw with Loctite. See Figure 7-18. Repeat for the otherside.2. Slide the small link over its threaded standoff and using a No. 1 Phillips screw-driver, install a 4-40 x 3/16” pan-head screws with Loctite. See Figure 7-18. Re-peat for the other side.3. Slide one of the rack mounting brackets along the side of the Library and alignthe three threaded holes in the bracket with the screw holes in the side of the li-brary’s chassis. Using a No. 2 Phillips screwdriver, install the three flat-headscrews that were removed earlier. See Figure 7-17. Repeat for the other side.4. Reinstall the Carriage Assembly into the RLS as described in Section 7.
