FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Trailer Hitch: Testing and Inspection



AP31.11-P-3121BB Lubricate And Check Operation Of Trailer Hitch With Detachable Ball Neck
- with CODE (550) Trailer hitch
- without bumper filler for detachable ball neck





Steps 1 - 7:




Test Values For Trailer Hitch: