Compare the two indications.

Put the mask on and breathe through it to make sure that the oxygen supply is correct.

If you cannot install the rigging pin easily, adjust the length of the rod.

Tighten the turnbuckle until you have the correct tension in the cable.

Do not operate the brakes to decrease the pressure in the accumulators.

The tension in the cables decreases if the temperature increases.

The warning bell and the horn must start and then stop again.

If the wheel temperature increases to more than 177 deg., the core of the fusible plug melts and the tire deflates.

The condition of the radome is very important for its performance.

Obey the safety precautions when you do work with high voltages.

Do the troubleshooting procedure to find the cause of the malfunction.