. OPERATION EXPLANATION OF COMPONENTS shows if the engine preheating ON, if the engine water been completed. When the is is 3 - 22 PREHEATING PI This preheating electrical heater When the starti temperature is lo the pilot lamp lig the operator th preheating is co hts up. After 20 - 3 at preheating has mpleted, start the EMERGENCY STEERING PILOT LA MP mp (18) displays an operation This emergency steering pilot la condition of the e mergency steerin g. The lam p lights u p when the emergency steer ing is activated.
ed with an auto emergency When the dum p truck is equipp mergency steering, and if s ome abnormality occurs in t he steerin g hydraulic circuit while the dump truck is runn ing, the la mp lights up and the auto emergency steering is activat ed. DUMP BODY PIL OT LAMP pilot lamp (19) lights up when the dump control This dump body lever is not at the FLOAT positi on or the dump body is not . not completely lower ed and seated on the frame RETARDER PILO T LAMP This retarder pilo t lamp (20) shows if the reta rder is act uated. When the retar der control lever is pulled and the rder contr retarde actuated, the la mp lights up.
Whe n the reta ol leve returned and the retarder is cancel led, the la mp goes o ut.