Figure 2-7. Starting Instructions (Sheet 2 of 2)

Figure 2-7. Starting Instructions (Sheet 1 of 2)

TM-5-6115-545-12 Power Unit Utility Pack Gas Turbine Engine Driven (Air Research Model PPU85-5) Non-Winterized and (Air Research Model PPU85-4) Winterized Manual
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Step 6. ALLOW ENGINE TO WARM UP TO NORMAL OPERATING TEMPERATURE (100 - 150^OF) WITH NO LOAD APPLIED. CAUTION TO PREVENT ENGINE CARBON DEPOSITS DO NOT RUN ENGINE-GENERATOR SETS FOR MORE THAN 5 MINUTES AT GOVERNED SPEED WITHOUT LOAD. STEP 7. RESET FAULT INDICATOR LIGHTS BY PRESSING TEST OR RESET SWITCH. IF FAULT INDICATORS, ARE EXTINGUISHED AFTER BEING RESET, PROCEED WITH STEP (8). IF ANY FAULT INDICATOR LIGHTS, THE INDICATED FAULT (TABLE 2-2) MUST BE CORRECTED BEFORE PROCEED- ING . STEP 8. CLOSE MAIN AC CONTACTOR BY MOMENTARILY PLACING CKT BKR SWITCH IN CLOSE PO- SITION. MOMENTARILY PLACING CKT BKR SWITCH IN OPEN POSITION WILL OPEN THE AC CON- TACTOR. AMBIENT AIR TEMPERATURE BELOW MINUS 25° F STEP 1. PREHEAT ENGINE COOLANT AND LUBRICATING OIL USING EITHER THE FUEL BURNING OR ELECTRIC WINTERIZATION KIT CONTROLS AS SHOWN IN FIGURES 2-11 and 2-12 RESPECTIVE- LY . STEP 2. PERFORM STARTING PROCEDURE OF STEPS 1 THROUGH 8 SPECIFIED FOR ABOVE MINUS 25° F. Figure 2-7. Starting Instructions (Sheet 2 of 2) 2-22 Change 3

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