OM3037 Operation - Section 3 Operating Instructions Page 3-17 INSTRUMENT PANEL RADIO SPEAKERS The Instrument Panel (7, Figure 3-1) includes a wide variety of switches, gauges, and indicators. Refer to “Instrument Panel and Indicator Lights”, for a detailed description of function and location of these compo- nents. Radio Speakers (9, Figure 3-1) for the AM/FM Stereo radio are located at the far left and right of the over- head panel. WARNING ALARM BUZZER GRADE/SPEED WARNING CHART This alarm (10, Figure 3-1) will sound when activated by any one of several truck functions.
Refer to ”Instru- ment Panel and Indicator Lights” , for a detailed de- scription of functions and indicators that will activate this alarm. The Grade/Speed WARNING chart (8, Figure 3-1 and also shown below) provides the recommended MAXI- MUM truck speeds for descending various grades with a loaded truck. The operator should reference this chart before descending any grade with a loaded truck. Proper use of Dynamic Retarding will maintain a safe speed. CAB RADIO This panel will normally contain an AM/FM Stereo radio (11, Figure 3-1). Refer to Section 6, Optional Equip- ment, 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. WARNING LIGHTS DIMMER CONTROL This control knob (12, Figure 3-1) permits the operator to adjust the brightness of the Warning Indicator Lights. STATUS / WARNING INDICATOR LIGHT PANEL This panel (13, Figure 3-1) contains an array of indica- tor lights to provide the operator with important status messages concerning selected truck functions. Refer to “Instrument Panel and Indicator Lights”, for a de- tailed description of these indicators.
PAYLOAD METER (NOT SHOWN) The Payload Meter and Download Connector (located on the back wall behind the passenger seat) is used to provide management with operational data such as tonnage hauled and cycle times. Refer “Optional Equipment” , for a more complete description of the payload meter and its functions. WINDSHIELD WIPERS The windshield wipers (15, Figure 3-1) are powered by an electric motor. Refer to “Instrument Panel and Indi- cator Lights”, for location and description of the wind- shield wiper and washer controls. The sample chart above applies to a model 830E equipped with GE787 wheel motors with 31.875:1 gear ratio, 40R57 tires, and 18 element 3-step retarding grids.
This decal may change with OPTIONAL truck equipment such as: wheelmotor gear ratios, retarder grids, tire sizes, etc. ALWAYS refer to this decal in the operator's cab , and follow these recommenda- tions for truck operation.