CONTROL PANEL
Figure 5 shows the location of the controls and indicators on the control panel for the different engines used with the LT12 light tower. Service the equipment as needed depending on the alarm indicated. Below is a brief explanation of each control or indicator.
1.Internal Cabinet Light Switch — This switch controls the internal cabinet light for the light tower control panel. When the cabinet door is raised, the light will automatically come on.When the cabinet door closes, the switch is depressed and the light turns off.
2.Internal Cabinet Light — Provides illumination for the LT12 control panel during nighttime operation. The light is automatically activated when the cabinet door is raised.
3.Hour Meter — This digital hour meter indicates the number of hours machine has been in use.
4.Main Circuit Breaker — A
5.GFCI Receptacle Circuit Breaker — A
6.Lamp Circuit Breakers — A
7.Air Filter Alarm Indicator — This indicator flashes (Perkins) or lights (Lombardini/ Deutz) when a blockage or problem with the air filter is detected.
8.WaterTemperature Alarm Indicator — This indicator flashes (Perkins) or lights (Lombardini/
Deutz) when the water temperature becomes too hot for normal engine operation. On Lombardini/Deutz engines, the unit will shut down and the indicator light will stay on.
9.Oil Pressure Alarm Indicator — This alarm light flashes (Perkins) or lights (Lombardini/ Deutz) when the oil pressure has fallen
too low for normal engine operation. On Lombardini/Deutz engines, the unit will shut down and the indicator light will stay on
10.PreHeat Indicator — Lights when the ignition key is turned to the ON position indicating that the glow plugs are warming up. When the light goes off, the engine is ready for starting. If the light is flashing, a low battery charge is detected (Perkins).
11.Ignition Key Switch — Insert key into ignition switch and turn clockwise to the ON position to warm the glow plugs. When pre- heat indicator light goes OFF, turn the key to the START position. Release key when engine starts.
12.Normal Operation Indicator — This indicator (green lamp) lights when the engine is functioning normally.
13.Alternator Alarm Indicator — This indicator lights when the engine has shut down because the electrical charging system is not working properly.
OK
LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 21