Section X11. MAINTENANCE OF RELAY TABLE COMPONENTS

TM-9-6115-464-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 15 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6116-464-34 AIR FORCE 35C2-3-445-2 NAVY NAVFAC P-6-624-34 c. Installation. (1) Install four capacitors (7, figure 3-110), four washers (6), nuts (5) and two capacitors bolts (4) and tighten. (2) Install capacitor bracket (3). (3) Position chassis to install two Iockwashers (2), two capacitor bracket bolts (1) and tighten. Section X11. MAINTENANCE OF RELAY TABLE COMPONENTS 3-88. GENERAL. The relay table components consist of the tactical relay assembly, the special relay assembly, and the precise relay assembly. The tactical relay assembly, which is common to all three models, contains relays to shutdown the generator set in the event of overvoltage, short circuit, overload, and reverse power. It also houses the current transformer load resistors. The special relay assembly, also common to all three models, contains the relays for the remainder of the protective devices and the paralleling controls for the voltage regulator. The precise relay assembly is used only on the 50/60 Hz and 400 Hz precise models. It contains the paralleling controls for the governor control unit and the fixed resistors of the frequency adjustment system. The 50/60 Hz model of the precise relay assembly also contains a frequency selector switch which changes its operation from 50 to 60 Hz. 3-89. TACTICAL RELAY ASSEMBLY. WARNING Do not attempt to perform maintenance on the tactical relay assembly while the generator set is operating. Severe electrical shock or death may result from failure to observe this warning. a. Removal. (1) Disconnect electrical connectors to the tactical relay assembly. (2) Remove screws (1, figure 3-111) and Iockwashers (2) to remove relay assembly from generator set. NOTE Tag and disconnect electrical leads to each component prior to disassembly. b.Disassembly. (1) Remove screw (1, figure 3-111), and Iockwasher (2). (2) Remove screw (3), and cover(4). (3) Remove nut & captive washer assembly (5), screw (6) and tactical relay resistor assembly. (7). (4) Remove nut & captive washer assemlby (8), screw (9), terminal board assembly (10) and terminal jumper (11). (5) Remove screw & captive washer assembly (12), reverse power relay (13), overvoltage relay (14) and short circuit relay (15). (6) Remove screw and captive washer assembly (16) and overload protective device (17). 3-236

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