TM 10-1670-296-20&P                                                    0005 00 0005 00-12 Table 1.  Preventive Maintenance Checks and Services – continued B – Before D – During A – After INTERVAL ITEM NO. B D A ITEM TO BE CHECKED   OR SERVICED EQUIPMENT NOT READY/ AVAILABLE IF: 13 Lower Link Suspension.   Inspect link (1) for bends, breaks, cracks, burrs, and rough areas.  Check for stripped or damaged threads.   Refer to WP 0020 00. Link (1) has bends, breaks, or cracks.  Surfaces have burrs or rough areas.  Threads are stripped or damaged. 14 M-2 Cargo Parachute Release (42,000-lbs).  Check release (1) operation.  Ensure that, when using a 15-second timer, it activates within 12- and 16-seconds.  Check for excessive wear or foreign material.  Check lanyard (2) for frayed material, cuts, and loose or broken stitching.  Check to ensure free rotation of the lower suspension links.  Refer to WP 0021 00. Release (1) does not operate properly.  Timer is not accurate.  Release is worn or has foreign material present.   Lower suspension links do not rotate freely.