Operator Cab and Controls - Section 32 08/11 OM3212 Page 32-6 Customer specified options may cause this decal to change: Always refer to the retarding capacity chart in the operator's cab, and follow the recommenda- tions there for safe truck operation. Cab Radio This panel will normally contain an AM/FM stereo radio (12, Figure 32-1). Refer to Section 70, Cab Radio, for a more complete description of the radio and its functions. Individual customers may use this area for other purposes, such as a two-way communications radio. DO NOT exceed these recommended maximum speeds when descending grades with a loaded truck.
Refer to Operating Instructions, Retarder Operation, for more information on using the retarder function. PMC Interface Connector Radio Speakers PMC interface connector (13, Figure 32-1) is used to communicate data between a computer and the PMC. Radio speakers (9, Figure 32-1) for the AM/FM ste- reo radio are located at the far left and right of the overhead panel. Refer to Powertrain Management Control System in the shop manual for a complete description of the PMC and its functions. MOM Display Screen MOM display (10, Figure 32-1) is an electronic dis- play that provides the operator or service technician with important messages concerning selected truck functions.
Air Cleaner Vacuum Gauges Air cleaner vacuum gauges (14, Figure 32-1) provide a continuous reading of maximum air cleaner restric- tion reached during operation. The air cleaner(s) should be serviced when the gauge(s) reaches 6.2 kPa (25 in. of H 2 O) vacuum. Refer to Electronic Displays And Messages later in this section, for a detailed description of the mes- sages provided and the functions monitored by this display. NOTE: After service, push the reset pin on the face of the gauge to allow the gauge to return to zero. MOM Dimmer Switch Payload Meter MOM dimmer switch (18, Figure 32-1) enables the operator to choose two varying levels of bright- ness.
Depressing the left side of the switch dims the MOM display. Depressing the right side of the switch brightens the display. Payload meter (15, Figure 32-1) is used to provide management with operational data such as tonnage hauled and cycle times. Refer to Section 60, Payload Meter, for a more complete description of the payload meter and its functions. Windshield Wipers Warning Alarm Buzzer Windshield wipers (16, Figure 32-1) are powered by an electric motor. Refer to Windshield Wiper And Washer Control for a description of the windshield wiper and washer controls. Warning alarm buzzer (11, Figure 32-1) will sound when activated by any one of several truck functions.
Refer to Instrument Panel And Indicator Lights for a detailed description of functions and indicators that will activate this alarm.