Pressure Testing

Examples Of Building Up & Releasing Test Pressure: 

1. SOFT TOP, IGNITION ON:  Activate power soft top switch (toward lower if the soft top is down, toward raise if the soft top is up) for 5 seconds. Have a second technician disconnect relay A7/5k1, See Fig 1 . Hold power soft top switch for 5 additional seconds. Read and record test pressure. Release Test Pressure:  Briefly activate power soft top switch several more times.
2. ROLL BAR, IGNITION ON:  Activate Roll Bar switch (toward lower if the roll bar is lowered, toward raise if it is raised) for 5 seconds. Have a second technician disconnect relay A7/5k1, see Fig 1 . Hold roll bar switch for 5 additional seconds. Read and record test pressure. Release Test Pressure:  Briefly activate power soft top switch several more times.

Fig 1: Connecting Test Equipment To Hydraulic Pump Unit

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.