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 8 Hoisting a.   Inspect hoist cables for fraying, bends or Cables are Machinery kinks.  Repair or replace as necessary. frayed, bent Lubricate with wire rope compound. or kinked. b.   Inspect hook block for worn sheaves or Sheaves and/or broken sheave flanges.  Repair or flanges exces- replace as necessary. sively worn. c.    Check block for loose or frozen bearings Bearing loose or and lubricate. frozen. d.   Inspect sheave guards and repair if nec- Sheave guards essary. inoperable. e.   Check the oil level in gearcase and add MIL-L-2105C oil if necessary using type and grade as specified by hoist manu- facturer. f. Inspect electrical connections for loose Wiring damaged. connection or damaged wiring. g.   Inspect collectors for shoe wear and Shoes worn or alignment, and check the electrical con- misaligned. nections. h.   Test brakes for operation and adjust if Brakes necessary. inoperable. i. Lubricate points of wear and bearings in Bearing and/or all controllers. controllers excessively worn. j. Inspect all magnetic contactors and Magnetic check operation. contactors inoperable. k.    Check contactor surfaces for wear or pitting; replace worn parts. I. Check control items for weak springs Springs and and worn bearings.  Replace worn items. bearings worn. Adjust and lubricate the bearing points with a drop of oil. m.  Inspect limit switches and test opera- Limit switches tion.  Check contacts.  Clean and adjust if inoperable necessary. 13-17