AMMETER SWITCH S114 (25, Figure 2-2)

Figure 4-67. Test Data For BREAKER CONTROL Switch S4

TM-9-6115-604-12 Generator Set Diesel Engine Driven Tactical Skid Rtd. 60 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-604-12 NAVY NAVFAC P 8 633-12 b. Remove. See Figure 4-68. (1) Tag and disconnect wires. (2) Remove screw In center of handle and slide handle off switch (3) shaft. (3) Remove three screws from face of mounting plate on front of door Switch (3) sections can be removed at rear of cabinet B door as an assembly. c. Install. See Figure 4-68. (1) Install BREAKER CONTROL switch S4 (3) by positioning the switch sections at the rear of cabinet B door and assemble the mounting plate from the front, while securely attaching the entire assembly with the three mounting screws. (2) Replace handle In the normal-vertical position and secure with attaching screw. (3) Connect wires and discard tags. 4-106. AMMETER SWITCH S114 (25, Figure 2-2). AMMETER switch S114 is a six-section rotary tap-switch contact design. An integral detent assembly provides positive click stops at operational switch positions. The switch is used in conjunction with AC AMPERES meter M102 to select any of three phases for a current output indication. a Test. (1) Rotate switch handle In both directions to ensure that switch clicks into all five positions See Figure 4-69. NOTE Switch wlnng position numbers are translated as follows. the first digit defines the section, or deck, In relation to the handle end; the second digit is a specific terminal on that deck. For example position 23 is located on the second deck, the contact is terminal number 3. (2) With generator set shut down, tag and disconnect wiring to switch contacts. Do not remove internal jumper wires. (3) Set a multimeter on RX1 scale and test for contact continuity in the switch positions specified in chart in Figure 4-69 Meter should indicate zero ohms at all points marked in the chart. (4) Multimeter should indicate infinity at all blank contacts In the chart. b Remove. See Figure 4-66. (1) Remove screw In center of handle and slide handle off the shaft. (2) Remove screws from face of mounting plate on front of cabinet B door Switch (9) can be removed at rear of door. NOTE Before Installing replacement switch transfer black jumper wires. c. Install. See figure 4-66. (1) Install AMMETER switch S114 (9) by positioning the switch sections at the rear of door and assembling the mounting plate from the front Secure the entire assembly with the three mounting screws. (2) Replace handle In the normal dial-vertical position and secure with Its attaching screw. (3) Connect wires and discard tags. 4-170

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