TM 1-6625-724-13&P0072 000072 00-7PROCEDURE 4: TRACKER INSTALLATIONNOTEIt may be necessary to replace the aircraft screws withlonger screws in order to mount the UTD mountingbracket.a. Remove airframe screws, and install UTD mounting bracket (29328000) to chin of aircraft just above the landinglight, see figure 5.b. Secure UTD mounting bracket with screws long enough to pass through the mating fastener and extend aminimum of two threads.NOTEIf the UTD captive mounting bolts are lost or damaged,use NAS1305-14 bolts as replacements.c. Mount UTD (29310700) on bracket (make sure UTD is mounted on opposite side of nutserts), also ensure thatthe night lens (red lens on UTD) is below the optical lens (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.Figure 5. UTD Mounting BracketPROCEDURE 5: NIGHT TIME TRACKING INSTRUCTIONS NOTE The following steps are to be taken if nighttime trackingis anticipated. If no flights will be performed after dusk,proceed directly to task 3.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 are as clean as possible. This is necessary for optimumadhesion of the reflective tape.Secure cable to nosewith duct tape
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