PACCAR 579, 567 — How to use the Menu Control Switch

CONTROLS - How to use the Menu Control Switch face plate includes a kPa (major) scale and psi (minor) scale. vehicle until it has been properly re- paired or serviced. How to use the Menu Control Switch NOTE WARNING Be sure the air pressure registers more than 100 psi (690 kPa) in both service systems before you move the vehicle. The is used to navigate the instrument display. It comprises of a back button and a push and spin knob. The Menu Control Switch is located on the right side panel. 3 The air pressure warning light and the audible alarm tone indicate a danger- ous situation: there is not enough air pressure in the air tanks for repeated braking and the brake system has failed.

Without the use of your service brakes your spring brakes could sud- denly apply causing a wheel lockup, loss of control, or overtake by following vehicles. This may cause an accident resulting in death or personal injury. Bring the vehicle to a safe stop right away, while you still have control of the vehicle. The knob can perform two functions. It can select and set values when spun and enter your settings when pushed. The button has a BACK button located above the knob. Pressing this button will go back to the previous menu. 1.

Push on the center of the knob to select or enter a menu item NOTE If the pressure in either or both circuits falls below 65 psi (448 kPa), a red warning light in the gauge will turn on and an audible alarm tone will sound when the engine is running. WARNING If the air pressure falls below 60 psi (414 kPa) the spring brakes may stop the vehicle abruptly, which could cause an accident resulting in person- al injury or death. Observe the red warning lamps on the gauges. If one comes on, do not continue to drive the Driver Information Display The display can show multiple warning lights. Warning information will appear momentarily and then will minimize in the screen.

Reviewing the warnings can be done by navigating the menu via the Menu Control Switch. 2. Spin the knob to navigate around the menu items 3. Push the back button should you need to return up to a menu item. If Y53-6047-2HEN (03/18) 65