TM 9-6115-659-13&P Table 2-2.  Operator Preventive Maintenance Checks and Services Location Item Interval Procedure Not Fully Mission No. Item to Capable if: Check/Service 42 During CONTROLS AND    Observe the following indicators and Frequency or AC INDICATORS ensure they are operating properly. voltmeter inoperative. COOLANT TEMP. 170-200°F (77-930C) OIL PRESSURE 25-60 psi (172-414 - kPa) FREQUENCY 60 Hz VOLTAGE 120-240 VAC 43 During GROUND ROD Inspect ground rod and cable for loose Cable is missing or CABLE AND connections, breaks, damage and damaged. CONNECTIONS corrosion. 44 After HOUSING a.  Check doors, panels, hinges, and Cannot secure clamping catches for damaged, loose, or doors. corroded items. b.  Inspect air intake and exhaust grills for debris. 45 After IDENTIFICATION   Check to ensure identification plates are PLATES secure. 46 After SKID BASE Inspect skid base for cracks and corrosion. Skid base is cracked or shows signs of structural damage. 47 After ENGINE Check for loose, damaged, or missing ASSEMBLY hardware. 48 After FUEL SYSTEM Inspect fuel system for leaks, and Any fuel leaks, and damaged, loose, or missing hardware. damaged, loose, or missing parts. 49 After FUEL FILTER/ a.  Inspect fuel filter/water separator for Any fuel leaks. WATER leaks, cracks, damage, proper SEPARATOR mounting, or missing parts. b.  Drain water from fuel filter/water separator. WARNING The fuels used in this generator set are highly explosive.  Do not smoke or use open flame when  performing  maintenance.    Flames  and  explosion  can  occur  resulting  in  severe personal injury or death. 2-26  Change 2