Figure 4-2. Fuel Transfer Pump Relay K20, Test Setup

Figure 4-1. AC-DC Control Box Assembly, Exploded View

TM-5-6115-593-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 600 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 Figure 4-2. Fuel Transfer Pump Relay K20, Test Setup and tag and disconnect input and output cables on terminal boards. (2) Remove six screws (44) supporting battery charger to wall. Remove battery charger. b. Replacement. (1) Install battery charger (45, figure 4-1), to the enclosure with six screws. (2) Connect cables to terminals inside the battery charger. Be sure to observe polarity, POS and NEG on OUTPUT connections. Remove tags. 4-9. TESTING. (See figure 4-3) The ground test may be performed without removing the battery charger from the set. Other tests are bench test procedures. a. Ground or Short Circuit. Using an ohmmeter, check for a short to ground, primary to secondary breakdown, AC-DC short, or DC ground as follows: NOTE Check fuses F1, F2, F3, and F4 for continuity. (1) With all power off, disconnect AC input power to INPUT connections on the unit. Disconnect the generator set negative battery cable. (2) Set ohmmeter scale on ohms Rx100. (3) Measure from either INPUT terminal to either terminal of the OUTPUT. Meter should not indicate a reading. If the meter reads full scale deflection, this indicates a 4-4

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