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) 5     200 hrs Depth Finder a. Clean depth finder with a damp cloth.     b. Unplug transducer and power cables and wipe clean.  Check for corrosion or dam- age to insulation.  Correct as necessary.     c. Check that power cable and transducer cable are firmly seated in bottom of depth finder unit. 6 200 hrs Hydraulic a. Inspect hydraulic hoses for chafing, dam- Class III leaks. Steering age, and wear.  Check for leaks.  Replace or repair as necessary. 200 hrs b. Check for loose nuts, bolts, and fittings.   Loose fittings. Tighten or replace as necessary. 200 hrs c. Check for corrosion, dirt, and rust.  Clean as necessary using cloth or brush and a light coating of grease. 200 hrs d. Check that all moving parts are well lubri- cated. 7 200 hrs a. Inspect and clean clutch and throttle con- trol cables as follows: 1)     Wipe metallic parts, such as screw- heads, cable sleeves, etc., with oil or light grease to prevent corrosion. 2)     Wipe chrome-plated hand levers and covers with a clean cloth. 3) Inspect control mechanism for loose Control mecha- or damaged fastenings.  Tighten or nism loose or repair as required. missing. 4)     Ensure that control mechanism mov- ing parts are lubricated with marine grease. 5) Examine cables and engine connec- Cables on engine tions for signs of damage or wear. connections damaged or worn. C-12