2-6. AERIAL LADDERIWATER TOWER CONTROLS AND INDICATORS - Continued
CHECK ENGINE Indicator Light (Amber)
Indicates problem with truck engine.
STOP ENGINE Indicator Light (Red)
Indicates truck engine must be stopped immediately to
prevent serious engine damage.
Water Pressure Gauge
Indicates water pressure in aerial system.
AERIAL DISCHARGE Switch
Allows water flow to aerial discharge nozzle.
Push up and hold to activate electric emergency hydraulic
Indicates electric emergency hydraulic pump is operating.