0070 00TM 1-6625-724-13&P0070 00-10b. Secure UTD mounting bracket with screws long enough to pass through the mating fastener and extend aminimum of two threads.NOTEIt may be necessary to replace the four aircraft screwswith longer screws in order to mount the UTD mountingbracket.If the UTD captive mounting bolts are lost or damaged,use NAS1305-14 bolts of suitable length as temporaryreplacements.c. Mount UTD (29310700) on bracket, ensuring that the night (red) lens on UTD is below the optical (clear) lens.d. Connect the UTD cable (29325701) to UTD connector and connect to the DAU receptacle marked TRACKER 1.e. Ensure that the TRACKER MODE switch on the front of the DAU is in the DAY position.PROCEDURE 5: NIGHT TIME TRACKING INSTRUCTIONSNOTEThe following steps are to be taken if nighttime trackingis anticipated. If no flights will be performed after dusk,proceed directly to task 2.a. Ensure that the TRACKER MODE switch on the front of the DAU is in the NIGHT position.b. Ensure that the underside, trailing edge of all blades is as clean as possible. This is necessary for optimumadhesion of the reflective tape.c. Place a single, 4-ft strip of reflective tape on the underside, trailing edge of each blade as shown in figure 7.Ensure that the tape is smooth and as straight as possible using the edge of the blade as a reference.d. If verification of the tape placement is desired, it can be viewed by holding a flashlight near your head andshining it at the rotating blades. Any misplaced sections of the tape will stand out.Figure 7. Placement of Reflective Tape on Rotor Blades
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