Operation - Section 3 OM3020.2 12/99 Page 3-18 Operator Cab and Controls AIR CLEANER VACUUM GAUGES STATUS / WARNING INDICATOR LIGHT PANEL The Air Cleaner Vacuum Gauges (16, Figure 3-1) provide a continu- ous reading of maximum air cleaner restriction reached during operation. 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 detailed description of these indicators. The air cleaner(s) should be serviced when the gauge(s) shows the following maximum recom- mended restriction:
Payload Meter Download Connector This connector (14, Figure 3-1) is used with a special cable to allow the Payload Meter (15) to communicate with a Portable Computer. DDC/MTU 4000 Engine: . 20 inches of H 2 O vacuum. NOTE: After service, push the reset button on face of gauge to allow the gauge to return to zero. WINDSHIELD WIPERS PAYLOAD METER The windshield wipers (17, Figure 3-1) are powered by an electric motor. Refer to INSTRUMENT PANEL AND INDICATOR LIGHTS, for a location and description of the windshield wiper and washer controls. The Payload Meter (15, Figure 3-1) and Download Connector (14) is used to provide management with operational data such as tonnage hauled and cycle times.
Refer to Section 6, Optional Equipment, for a more complete description of the payload meter and its functions.