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 p.  Inspect the gasket between the gear Class III leaks. housing and back frame for signs of leaks. Tighten the screws holding back frame to gear housing.  If leaking persists, repack housing and gears with grease and install a new gasket. q.  Apply light film of machine oil to the limit switch shaft threads. 5 Miscellaneous a.    Check hoists and crane for proper lubri- cation.  Lubricate as necessary. b.  Inspect all end stops and tighten bolts if required. c.  Inspect all structural components for Structural compo- loose connections, and secureness. nents are loose or Repair, replace, and/or tighten as not secured. required. d.  Check that weight of pushbutton hand- Cable does not held control device is not supported by its hang freely. electric cable.  Pendant cable must hang freely.  Repair or replace as necessary. 6 Void 4 Geared WARNING Trolley Hoist Notify higher maintenance unit after repair- ing or replacing parts on the void 4 trolley hoist.  They must safety inspect and proof test the repaired item in accordance with TB 43-0142.  In addition, all slings and lifting devices must be proof tested to these stan- dards every 12 months.  Record and main- tain certification of all proof testing. 13-11