TM 10-8110-202-13 & PTable 3-1. Operator/Crew Troubleshooting – ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. CAM ARMStep4. DRINKINGASSEMBLIES WILL NOT LOCK OR HOLD COUPLER VALVE IN PLACE1. Check cam arm assemblies forwear.If cam arm assemblies areworn, replace couplervalve.WATER IS LEAKING FROM OR AROUND COUPLER VALVEStep 1.Locate source of coupler valveleak.a. Water leaks from couplervalve-to-adapter assemblyconnection.1.2.3.4.Make sure coupler valveis properly locked andinstalled in place.If leakage continues, re-move coupler valve fromadapter assembly. Ifwater is leaking fromadapter assembly,notify next higher levelof maintenance.If adapter assembly isnot leaking, reinstallcoupler valve and lockback in place.If leakage continues,replace coupler valve.3-2
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