TM 55-1930-209-14&P-19 Section II Table 17-4.  Preventive Maintenance Checks and Services for Workboat, Lifesaving, and Firefighting Systems B - Before D -  During A -  After D -  Daily H -  Hourly Interval INTERVAL ITEM PROCEDURES EQUIPMENT ITEM TO BE CHECK FOR AND HAVE IS NOT READY/ NO. INSPECTED REPAIRED OR ADJUSTED AVAILABLE IF B   D   A   D H AS NECESSARY WORKBOAT NOTE These procedures start with the workboat in the water and secured to the side of the barge with four lines using the small work- boat cleats on the forward two- thirds of the barge on either side in the area with the vertical fenders. 1 • • • Hull Make visual check of hull and installed equipment, such as running lights and searchlights.  Make sure it is properly secured with lines and bumpers. 2 • • • Engine a.      To check engine compartment, open Compartment cabin and make sure master switch is OFF.  Obtain engine hatch tool from under operator's seat. • • • b.      Using hatch tool, rotate lock nuts on each corner one-half turn counterclockwise and slowly open engine compartment (aft deck closure).  Check for escaping air which indicates that water may be enter- ing engine compartment and forcing air out. • • • c.   Check engine compartment for diesel Class III leaks. fuel, water, oil, or hydraulic fuel leaks. Tighten filters and fittings as necessary. 3 Engine 3a • • Engine Start/ Perform the following engine start and Workboat Controls workboat controls activation procedures: Activation 1) With all electrical circuits OFF, except bilge pump on AUTO setting, turn master switch ON. 2) Turn ignition switch to position 1 to check engine electrical accessories. 3) Lower outboard drive, if in the TILT range.  Small red light on outboard drive panels is ON if outboard drive is in TILT range. CAUTION Engine must NOT be started with outboard drive in TILT range.  When engine is in TILT UP position, water pickup point on outboard drive is out of water and engine cannot receive seawater to cool closed coolant sys- tem. 17-8