Table 4-3. Electric Winterization Kit Preventive Maintenance Checks and Services

Figure 4-7. Electric Winterization Kit (sheet 3 of 3)

Figure 4-8. Coolant Pump Motor - Brush and Connector Replacement

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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Table 4-3. Electric Winterization Kit Preventive Maintenance Checks and Services ITEM NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 DAILY B - Before Operation A - After Operation M - Monthly (100 hrs) D - During Operation W - Weekly-(40 hrs) S - Semi A-nnual (500 hrs) l’TEM TO BE INSPECTED Power cable. Coolant shutoff cocks. ;enerator set radiator. Senerator set doors. Coolant hoses Coolant shutoff cocks. Power cable. Coolant lines. Attaching hardwart Wiring harness. Coolant pump. Thermostat. Heating elements. PROCEDURE :onnect cable to power supply. )pen shutoff cocks. :heck for proper coolant level. ;lose all doors. ;heck for leakage. ;lose shutoff cocks. temove from power source. ?ighten lines and check ~ndition. ~ighten hardware. nspect for frayed insulation and security of terminal lugs and damaged threads, bent, loose, or missing pins of connectors. rest for proper operation. rest for proper operation. pest heating elements. REFERENCE (para 2-25 and 4-18) (para 2-25) (para 3-41) ( f i g . 1 - 1 a n d 1 - 2 ) (para 4-22) (para 2-25) (para 2-25 and 4-19) (para 4-22) (para 4-22) (para 4-26) (para 4-22) (para 4-23) (para 4-24) Change 1 4-17

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