TM 9-2320-364-102-63Table 2-1. Operators Preventive Maintenance Checks and Services (Before) - CONT.LocationItemNo.IntervalItem toCheck/ServiceProcedureNot Fully MissionCapable if:7BeforeSelf-GuidedCouplerCheck self-guided coupler (1) forobvious damage and presence ofthe safety latch (2).(a) Disengage swivel lock (3) andswivel self-guided coupler (1).Self-guided coupler isdamaged or loose.Safety latch is missing. Self-guidedcoupler does not rotate freely.(b) Engage swivel lock (3).(c) Open safety latch (2) awayfrom hook lock (4).(d) Pull out on hook lock catch (5)and pull out on hook lock (4) torelease hook (6).(e) Push up on hook.Keep fingers clear of top of lift-hook or injury to personnel couldresult.(f) Close safety latch.