TM 5-3820-256-10 Table 2-27A.  Life-line, Self Retractable Preventive Maintenance Checks and Services - continued Item Interval Item to be Procedures Equipment is No. Inspected Check for and have repaired Not   B  D  A  W    M or adjusted as necessary Ready/Available If: WARNING To avoid injury or death, immedi- ately remove any fall arrest de- vice with suspected faults from service and notify supervisor. 1 X   X  X Shackle Check that shackle moves Shackle does not more freely and that nut is fully tight- freely; nut missing or ened.  Check for worn parts, damaged.  Shackle is damage, and corrosion. cracked or worn. 2 X   X   X Main Body Check Main body castings for Main body casting Castings distortion or cracks, and that at- damaged or missing taching hardware is fully tight- screws. ened. 3 X   X   X Spring Re- Check that cable retracts prop- Cable does not retract. traction erly. 4 X   X   X Cable WARNING When inspecting cable, wear gloves.  Broken wires on cable can cause severe cuts and lac- erations. Check cables for cuts, abra- Cable cut, worn, sion, kinking, corrosion, and kinked, corroded, or rust. rusted. Check swages for cracks, dis- Swages not properly tortion or corrosion.  Ensure installed. they have been fitted properly and are not piercing cable.  For DBU series, check rubber balls are sound. Pull cable out and visually in- Cable fails to lock on spect the entire length.  Ensure any jerk. locking action operates proper- ly by jerking on the other end of the cable every 3 to 5 feet of cable extension.  Cable should lock within 3 feet of jerk point. Change 5  2-42.1