Product Manual

18
PART 8: AIR BRAKE TESTING
Complete the pretesting checklist prior to all testing procedures.
8.1 TESTING SETUP
1. Push the Power Source Switch to the OFF position.
2. Set both Emergency and Service Side Air Ball Valves to the CLOSED position.
3. Attach gladhand hoses from the MUTT
®
directly to your trailer’s air system, securing
the red hose to the Emergency Side and the blue hose to the Service Side.
4. Connect your shop air to the Shop Air Inlet on the left hand side of the tester.
5. Listen for any air leaks where the shop air connects to the tester, to avoid
erroneous results.
Set Emergency and Service Valves to CLOSED
Push Power Source Switch to OFF
Attach Gladhand Hoses
DANGER
CHOCK TRAILER WHEELS
WARNING!!! DO NOT CONNECT SHOP AIR UNTIL COMPLETING
THE TESTING SETUP PROCEDURE STEPS 1-5. FAILURE TO
FULLY UNDERSTAND THESE WARNINGS CAN RESULT IN MINOR
TO SERIOUS INJURY AND POSSIBLY DEATH.
!
!
Connect the Shop Air to the Shop Air Inlet