Apply sealing compound to threads of elbows, pipe plugs (3), and nipple (1). Do not use Teflon
Install elbows, hoses, pipe plugs (3), and pipe nipple (1) to ECU valve (2).
Install ECU valve (2) and nipple (1) on air reservoir.
Install two elbows and two hoses to curbside of ECU valve (2).
Connect all electrical cables to the ECU valve (2).
Connect all sensor cables to the ECU valve (2).
Close drain valve on air reservoir.
Follow -On Tasks.
Connect semitrailer to prime mover.
Raise landing legs.
Remove/store chocks and ground boards.
Road test to check for air leaks and warning light operation.