4-22. Tools: REPLACEMENT OF CONNECTORS J2

Figure 4-8. Replacement of Components in Audio Amplifier Chassis

TM-11-5820-890-30-4 Ground ICOM Radio Sets: Receiver-Transmitter Radio RT-1523(C)/U (NSN 5895-01-234-8093) Manual
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TM 11-5820-890-30-4 4-21. REPLACEMENT OF CONNECTOR J9. Continued ITEM ACTION REMARKS INSTALLATION e. f. g. Connector J9 (9) Protective cap (12) Access cover (2) Using solder kit, solder tagged wires to correct pins of replacement connector J9. Remove wire tags. Slide insulator over solder connections. Assemble connector. Apply silicone compound to connector threads and o-ring before installation. Install o-ring and connector in chassis. Position retained protective cap retainer (10) and replacement nut (11) to connec- tor. Using torque wrench and 7/8-inch socket, torque nut to 58 to 62 in-lb. Install retained protective cap (12) on connector J9 (9). Install. Before and after soldering, clean wires and pins with alcohol and cotton swabs. This was removed in step c. See figure 4-5. This was removed in step b. Refer to paragraph 4-19 for access cover installation procedures. 4-22. Tools: REPLACEMENT OF CONNECTORS J2 - J6. Soldering kit Torque wrench 3/4-inch spanner wrench Flat tip screwdriver Spanner attachment Torque screwdriver Socket wrench Expendable Supplies: Silicone compound Solder Alcohol Cotton swabs References: Paragraph 4-19 for removal and installation of audio amplifier CCA. ITEM ACTION REMARKS REMOVAL a. Mounting adapter Set on work surface with right side toward you. b. Access cover (2) Remove. c. Audio amplifier CCA (6) Remove. d. Protective cap (3) Remove from defective connector J2, J3, J4, J5, or J6 (1). See figure 4-5. Refer to paragraph 4-19 for access cover removal procedures. Refer to paragraph 4-19 for removal procedures. See figure 4-8. 4-107

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