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 TM 55-1905-223-10
Adjust valves and injectors
Check/replace hoses
Check/tighten turbo charge mounting bolts
Check/tighten engine mounting bolts
Check crankshaft and clearance
Check safety controls
Remove and clean magnetic pick up
Bi-annual
Replace injectors as necessary
Replace fuel pump as necessary
Check turbocharger clearances
Check vibration dampner
Replace water pump and idler pulley
NOTE: Draining and flushing of the generator engine cooling system is required at 36 month intervals.
This is normally included in the OCCM repair specification.
Standard: Unit operates, accepts, shares and transfers load, responds to speed and load sharing controls
smoothly and without hesitation or surging. Frequency is maintained substantially constant over load range.
Overspeed trip operates to shut down unit. Fuel oil, lube oil, engine cooling water and exhaust systems are
leak free. Pressure and temperatures are within normal ranges, oil pressure minimum 18 psi, at idle, 45 psi at
1800 RPM, water temperature less than 215F at full load. No abnormal lube oil analysis reports or excessive
oil consumption. P/M services listed above have been accomplished as applicable (annual services at interim
inspection, annual and bi-annual inspections at the Pre-OCCM inspection. ____________________________
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f.
Battery Storage Boxes and Batteries (2):
Condition: Inspect for corrosion and condition of connections and cables, missing caps electrolyte level,
condition of box and securing devices, no smoking placard.
Standard: Terminals corrosion free, cables undamaged, all caps present, electrolyte above plates, box and
securing devices sound and corrosion free. No smoking placard present.
Change 8 G-74
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