ARMY TM 9-6115-464-34AIR FORCE TO 35C2-3-445-2NAVY NAVFAC P-8-624-4Figure 3-118. Tactical Relay Resistor Assembly, Exploded View(16) Test dc relay assembly as follows:(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(m)Apply 24 Vdc to terminals 6 and 15 (figure 3-121).Use an ohmmeter to check for continuity across terminals 5 and 17.Check for open circuit across terminals 4 and 16.Install a jumper between terminals 9 and 6.Apply 24 Vdc to terminals 12 and 15 with 12 positive.Check for continuity between terminals 5 and 17 and for open curcuit between terminals 4 and 16.Install a jumper between terminals 23 and 6.Apply 24 Vdcto terminals 21 and 15 with 21 positive.Check for continuity between terminals 5 and 17 and for open curcuit between terminals 4 and 16.Apply 24 Vdc to terminals 13 and 15.Check for continuity between terminals 1 and 14 and between terminals 2 and 15. Check for opencurcuit between terminals 3 and 15.Apply 120V AC to terminals 18 and 22. Use an ohmmeter check for resistance of 2,500 ohmsbetween terminals 19 and 20 and 7 and 8.Check resistors R3, R6, and R9 for correct values given in figure 3-121.(17) Replace defective dc relay assembly components (iterns 1 through 21, figure 3-122).3-249
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