Operation - Section 32 OM3223 Page 32-8 Operator Cab and Controls Retard Speed Control (RSC) Off / On Switch Retard speed control switch (6, Figure 32-7) turns the system off or on. Push the knob in to turn off and pull the knob out to turn the system on. Engine Shutdown Switch Engine shutdown switch (8, Figure 32-7) is used to turn the engine off. Pull the switch up to stop the engine. Push the switch back down to enable engine oper- ation. SWITCH UP ENGINE OFF SWITCH DOWN ENGINE ON Use this switch to turn off the engine if the key switch should fail to operate, or to stop the engine without turning off the 24 vdc electrical circuits.
Override Switch Override switch (7, Figure 32-7) is spring-loaded to the OFF posi- tion. When pushed in and held, this switch may be used for several functions. A ground level engine shutdown switch is also located at the right front corner of the truck. Window Control Switches Window control switch (9, Figure 32-7) is spring- loaded to the OFF position. Pushing the front of the switch raises the cab window. Pushing the rear of the switch lowers the window. 1. The override switch permits the operator to move the truck forward when the selector switch is in FORWARD, the dump body is raised, and the brakes are released.
Ash Tray Ash tray (10, Figure 32-7) is used for extinguishing and depositing smoking materials. DO NOT use for flammable materials, such as paper wrappers. Use of the override switch for this purpose is intended for emergency situations only. 2. If the operator stops the truck on an uphill incline, the override switch can be used to set up forward propulsion while the brakes are applied. As soon as forward propulsion is felt, release the brakes and as the truck begins to move forward, release the override switch. Ensure that all fire ash is extinguished! Lighter Lighter (10, Figure 32-7) may be used for lighting cigars/cigarettes. 3.
The override switch deactivates the retard pedal function when speed of truck is below 4.8 kph (3 mph). 4. The override switch is also used to reset an electric system fault when indicated by the red warning light Refer to Instrument Panel And Indicator Lights, Overhead Warning / Status panel. Always use CAUTION with smoking materials! This socket may also be used for a 12 VDC power supply. Passenger Seat Passenger seat (11) is mounted on top of the right hand portion of the center console structure. The area beneath the passenger seat provides a cabinet for various 24 vdc electrical components. Consult the service manual for service involving any of these components.
e 32-7) Pull the ush the e oper- “IN” “OFF” “OUT” “ON”