TM    5-6115-545-12 TO-35C2-3-444-1 NAVFAC   P-8-626-12 TM-00038G-12 Table   3-1.   OPERATOR/CREW   PREVENTIVE   MAINTENANCE   CHECKS   AND   SERVICES   (Cent) B   –   BEFORE   OPERATION D   –   DURING   OPERATION A   –   AFTER   OPERATION ITEM NO. 2 INTERVAL B l l D l A ITEM TO BE INSPECTED Batteries Fuel   Selector   Valve Controls   and   instruments: a. b. c. d. e. f. g. Battery  charging ammeter Coolant   temp   gage Voltmeter Oil  pressure  gage A.C.  ammeter Wattmeter Frequency    meter PROCEDURES Remove   corrosion   and   apply   grease to  cable  connectors.  Tighten  loose cables  and  mountings.  Inspect  for cracks   and   leaks.   Fill   batteries   to 3/8   inch   above   the   plates.   Clean vent  hole  in  filler  cap  before  instal- ling.   In   freezing   weather   run   engine a  minimum  of  1  hour  after  adding water. Turn  fuel  selector  valve  to  the correct   position. Instruments    shall    indicate    within specified   limits.   (Fig.   2-5) Green   portion   of   scale 180°  to  200°  F 120/208   -   240/416 30  to  55  psi Indicates   percentage   of   applied current.   Not   to   exceed   100% Indicates   applied   load.   Not   to exceed  100%. 400   Hz   -   50/60   Hz EQUIPMENT   WILL BE   REPORTED   NOT READY   (RED)   IF: Cable   connections cannot  be  tightened, or   battery   is   cracked or  leaking. Fuel  selector  valve  is inoperable. Ammeter   does   not indicate    charging current. Temp  exceeds  200°  F. Voltage   cannot   be properly   adjusted. Pressure  is  below 30  psi. Meter  is nonfunctional. Meter  is nonfunctional. Frequency  cannot  be properly   adjusted. 3-8 Change  13