ST11950 and ST12550 Installation Guide, Rev. D 3
read and followed to minimize or eliminate the risk of personal injury. The warnings point out conditions or practices that may endanger you or others. The cautions point out conditions or practices that may damage the unit, possibly making it unsafe for use.
These warnings and cautions are not exhaustive. We cannot possibly know, evaluate, and advise you of all the ways in which maintenance might be performed or the possible risk of each technique. Consequently, we have not completed any such broad evaluation. If you use a
Always observe the following warnings and precautions:
•Perform all maintenance by following the procedures in this manual.
•Follow all cautions and warnings in the procedures.
•Use sound safety practices when operating or repair- ing the unit.
•Use caution when troubleshooting a unit that has voltages present. Turn off power to the unit before servicing it.
•Wear safety shoes when removing or replacing heavy parts.