TM 55-1930-209-14&P-19 Table 2-4.  Preventive Maintenance Checks and Services for Handling Equipment (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 h.    Check all slings used to hoist workboat Slings have bro- for broken or frayed wires, smooth or ken or frayed worn spots, and corrosion.  Remove wires. slings with broken or frayed wires from service immediately.  Inspect smooth or worn spots to determine cause of condi- tion and take corrective action.  If no fur- ther maintenance is required, coat the spots with a thin coat of oil, remove cor- rosion, and treat as appropriate. i. While crane is folded, check hydraulic fluid level.  Level should be between min- imum and maximum. j. Remove and clean oil filter located at the base of the crane. k.    Remove and clean filter mounted on the suction way.  Remove the cartridge, wash with suitable solvent, and dry with low pressure compressed air. I. With grease gun, grease all joints. m.  Lubricate all jointed lever rods. n.    Clean components as necessary. o.    Remove rust, corrosion, and worn or chipped paint by wire brushing, chip- ping, or scraping.  Immediately paint cleaned area with zinc chromate paint and finish to match surrounding area according to TM 43-0144. p.    Replace oil filter element. q.    Clean the air filter in the oil filter cap. r. Drain and replace the hydraulic oil. s.    Request annual proof testing of bow crane and allied slings and lifting devices. Test in accordance with TM 43-0142. Record and maintain certification of all proof testing. 13-20