Safety - Section 22 08/04 OM2203 Page 22-6 Warnings and Cautions Warning and Danger plates are located inside the door of the brake system cabinet behind the cab. This plate alerts technicians to read the warning labels attached to the accumulators prior to releasing internal nitrogen pressure or disconnecting any hydraulic lines or hardware. This plate warns the technician to stop the engine, turn off the key switch, and open the drain valves on all three accumulators to bleed the hydraulic pres- sure before loosening or disconnecting a brake line. This plate is placed near the four jacking points on the truck.
Two are placed at the front of the truck next to the right and left frame upright supports. Two are placed at the rear of the truck under the right and left suspension supports. This plate is placed on the left front battery box sup- port. It identifies the Emergency Engine Shutdown Switch. This switch is spring-loaded to the OFF position. It must be held in ON position until the engine stops.