CHAPTER 9 GENERATOR SET TEST AND INSPECTION AFTER REPAIR OR OVERHAUL

Figure 8-5. Generator Rotor Winding Data

TM-5-6115-584-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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TM 5-6115-584-34 NAVFAC P-8-622-34 TO-35C2-3-456-2 TM-0568C-34 CHAPTER 9 GENERATOR SET TEST AND INSPECTION AFTER REPAIR OR OVERHAUL Section I. GENERAL REQUIREMENTS 9-1. GENERAL INFORMATION. tests and inspections specified herein. Activities per- forming maintenance on any portion of the Generator Set must perform those tests and inspections required The activity performing the repair or overhaul is by the applicable component or system repair in- responsible for the performance of all applicable struction. Section II. INSPECTION 9-2. GENERAL. Inspect entire unit for loose, missing, or damaged parts. Check that each part is properly painted and protected against corrosive climate conditions. Check that all parts are properly stowed on unit when not in use. On ASK equipped generators, cover must be removed for inspection and test and replaced at completion of task. Refer to Oper- ator and Organizational Maintenance Manual for removal and instal- lation of ASK cover assembly. 9-3. ENGINE COOLING SYSTEM. Check that all cooling system parts are in place. Check that there is sufficient clearance between engine fan and blower housing and grille to prevent rubbing or binding. Check that shutter assembly operates freely, without binding. 9-4. WIRING HARNESSES. Inspect to see that all wiring harnesses are properly connected and that all connectors are tight. Check that all wires are secured away from moving parts which might damage wires. Section III. OPERATIONAL TESTS 9-5. GENERATOR AND GENERATOR CONTROL CIR- CUITRY. Test per table 9-1. NOTE Resistor R3 (20, figure 6-10) in the output control box, must be adjusted as follows be- fore performing any tests: a. Remove wire D26F16 from TB3- 1 and connect 0 to 1 amp ac test ammeter as shown in figure 9-1. b. Place output control switch in 120 position. c. With the generator operating at rated speed (1800 RPM) the generator field can be flashed by placing the master switch on the control box in the start position. d. Close the circuit interrupter and apply rated load. e. Adjust R3 until ammeter previously installed reads 0.6 amps. Tighten locknut on R3. R3 is now ad- justed properly. f. Disconnect test equipment and proceed with test- ing in accordance with test schedule table 9-1. 9-6. ENGINE CONTROL CIRCUITRY. a. Test Equipment. (1) (2) (3) Batteries, 24 volts lead acid (BT1 and 2). Switch, SPST S1, S2). Lamps, 24V (Ll, L2, L3, L4, L5, L6, L7). b. Test Setup. Connect control box and test equip- ment as shown in figure 9-2. Change 6 9-1

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