Andrew 174100, Installation And Maintenance Manual

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6.2 Radome Kit - Refer to Figure 3-8 and Table 6-2,
Table 6-2
Radome Kit (174508)
Item Part Number Description Qty.
1. 787323-1 Radome 1
2. MS51957-4 Screw, PH, 2-56 x 51161g. 20
3. 9974-89 Washer, lock (#2) 20
4. 9997-102 Washer, flat (#2) 20
5. 10866-107 RTV 162 Sealant 3 oz. tube
6.2.1 Remove the qty.20 screws holding the existing radome (feed window) that is being replaced.
6.2.2 Run a knife edge between the radome and the feedhorn to break the seal created by the RTV
sealant, then peel off the radome and discard. Be very careful not to damage the face of the feed horn
while doing this.
6.2.4 Clean off excess RTV from the face of the feed horn,
6.2.5 Apply a thin coat of RTV (item 5) to the clean, mating feed horn face.
6.2.6 Re-install the new radome (item 1) using the qty.20 new screws, washers and flat washers (items
2, 3 and 4).