Operation - Section 3 OM3005.3 7/96 Page 3-20 Instrument Panel and Controls FIGURE 3-6. INSTRUMENT PANEL (RIGHT SIDE) (34) Emergency Steering (36) Low Brake Pressure Warning Light The Emergency Steering Light, when actuated, indicates that the steering circuit pressure is decreas- ing and is below 1800 psi (12.4 MPa). This light indicates a malfunction within the hydraulic brake circuit. The low brake pressure warning light indicates that the hydraulic pressure in the brake system is de- creasing and is below 2000 psi (13.8 MPa). If the light comes "On", stop the truck immediately and have the system checked. Do not attempt further operation until malfunction is located and cor- rected.
If this light comes "On" when the brake pedal is depressed or comes "On" continuously, bring truck to a safe stop as soon as possible out of way of traffic. Move transmission range selector to Neutral, shut engine down, apply parking brake and call maintenance personnel to correct problem.When the pressure drops to 1650 psi (11.4 MPa), all brakes will auto- matically be fully applied to stop the truck. (35) Brake Lock The Brake Lock light is on only when the brake lock switch has been activated by the operator. The light indicates that only the rear brakes have been applied. The brake lock switch is to be used only at the shovel or dump area.
(37) Parking Brake The Parking Brake light indicates that the parking brake switch has been moved to the "On" position or that the park brake is "On". Do not use the parking brake while load- ing or dumping.