TM 55-1930-209-14&P-19 Table 18-1.  Preventive Maintenance Checks and Services for Double Drum Winch (Continued) B - Before D - Daily Q -  Quarterly D - During W - Weekly S -  Semiannually A - After M - Monthly A -  Annually 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  W  M   Q   S   A AS NECESSARY 8 Alternator and Check alternator and fan belt tension and Fan belt cracked. Fan Belts cracks. Adjust or replace as necessary. 9 Air Reservoir Slowly open petcock on bottom of reservoir and let all water drain from tank. All moisture should be removed before air pressure is lost. If water continues to drip after pressure is lost, start the diesel engine and pressurize reservoir. Continue to drain water. 10 Water Pump Belt Check water pump belt tension and Water pump belt cracks. Adjust as necessary. cracked. 11 Alternator a. Inspect alternator assembly for loose or Asembly missing fasteners and securements. Tighten or replace as necessary. b. Lubricate bearings/bushings with five or six drops of engine oil in the hinge cap oiler. c. Inspect and clean slip rings and brushes Slip rings are out- through the end frame.Clean with 400 of-round or rough. grain or finer polishing cloth. Do not use emery cloth to clean slip rings while alter- nator is in operation, hold polishing cloth against slip ring. Blow any accumulated dust away after cleaning. Replace rough or out-of-round slip rings. 12 Controls and Inspect controls and instruments for secure Instruments and missing mountings and securements. Tighten or replace as required. 13 Winch Cables a. Check winch cables for signs of wear Cables frayed. fraying. Repair or replace as necessary. b. Check that cables are well lubricated. Lubricate as necessary. · c. Check that cable clamps are tight and Cable clamps are properly installed. Adjust as necessary. not installed. d. Check cables for rust. Clean with wire brush and lubricate. 18-5