TM 9-6115-660-13&PINSTALLATIONCAUTIONRefer to wiring diagram (figure FO-1) and observe polarity of capacitors Cl and C2 beforeinstalling. Failure to observe this caution could result in damage to capacitors.1. Solder capacitor (12 or 13) leads to terminal studs (14) as applicable.2. Invert relay board assembly (4) and install four flat washers (3), lock washers (2), and screws (1).5-16 DIODES CR1-CR4 MAINTENANCE.This task covers: a. Testc. Installationb. RemovalINITIALSETUPToolsEquipmentConditionsTool Kit, General Mechanic’s(item 1, appendix B)ReferenceMultimeter (item 3, apendix B)Both generator sets shut down; paragraphSoldering Gun (item 3, apendix B)2-5.3.3. Trailer handbrakes set, front supportleg/landing lowered, and rear leveling-supportMaterials/Partsjack lowered; paragraph 2-3.2.1. Switch boxcover open.SolderTEST1. Remove four screws (1, figure 5-19), lock washers (2), and flat washers (3) and invert relay boardassembly (4).2. Unsolder one end of diode (15) to be tested.3. Set multimeter on R x 1 range, and measure the resistance between diode terminals. Reversemultimeter leads and measure again. Resistance should be infinity in one direction and less than 30ohms in the other.REMOVAL1. Remove four screws (1), lock washers (2), and flat washers (3) and invert relay board assembly (4).2. Unsolder diode (15) from stud terminal (14) and remove diode.5-36
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