B - Before D - During A - After D - Daily H - Hourly ITEM INTERVAL ITEM TO BE PROCEDURES CHECK FOR AND HAVE REPAIRED OR ADJUSTED EQUIPMENT IS NOT READY/ NO. B   D   A   D H INSPECTED AS NECESSARY AVAILABLE IF TM 55-1930-209-14&P-17 Table C-1.  Preventive Maintenance Checks and Services for Workboat, Lifesaving, and Firefighting Systems (Continued) 3c     Engine a. Check fuel tank for leaks and cracks.  Class III leaks. Fuel System WARNING During fueling operations, neither open flame nor smoking is permitted within 25 feet of fueling operations.  Only minimum number of persons necessary to conduct fueling are permitted in area.  Make sure all electrical accessories are off before a refueling operation begins. 200 hrs b. Check fuel gauge on instrument panel.  If necessary to refuel, follow these proce- dures: WARNINGS ELECTRICAL HIGH VOLTAGE CAN KILL YOU · Electrical high voltage cannot be seen but it can kill you.  Electricity is unlike most other dangerous things you can come in contact with because it gives no warning and no symptoms to be wary of. Its effect is immediate.  It can kill you, render you unconscious, or severely burn you.  To ensure your safety and that of other maintenance personnel, always observe the following precautions: ALWAYS make sure the unit is properly grounded. 1) Secure engine compartment hatch. 2) Attach ground wire from barge to Workboat not workboat, assuring good contact properly from clamp to metal part of workboat. grounded. 3) Use Perko special key or large screw- driver to open fuel filler cap on port- side aft of cabin. 4) Monitor fuel gauge on instrument panel at operator's station while filling tank.  Do NOT fill fuel tank full.  Leave room for expansion of cool fuel com- ing from voids storage tank into warmer workboat fuel tank. 5) Close fuel filler cap. 6) Remove ground wires and reattach to fueling stations. 7) Clean fuel spills immediately. C-7