Komatsu — TRAVELING DOWNHILL

. OPERATION OPERATION WARNING METHOD OF OPERATION ACTION OF ARSC SYSTEM the ARSC, then push set on ARSC set speed indicator (3). reduce the travel speed to downhill, release the ARSC ready pilot lamp (4) 3 - 106 ARSC(AUTOMATIC RETARDER SPEED CONTROL) When trav eling do wnhill, if the switch is pressed at the speed that is to be maintained, the retarder is automatically actuated t o preven t the travel speed fro m exceeding the set speed, so this makes ret If the tra vel speed is set at a speed that ex ceeds the maximum permissible speed obtained fro m the brake performance graph, the brak es will ov erheat and make it impo ssible to provide the braking force.

This may lead to serious personal injury. Set the travel sp eed withi n a range that does not exceed the permitted speed. When tra veling on slippery road surfaces, when the automatic retarder speed control (ARSC) is actuated, the tires may lock and it may b ecome im possible to operate the steering. There is danger that this will cause serious personal injury to people in the area aro und the m achine. When traveling on slippery road surfaces, do not use the automatic retarder speed control (ARSC).

When tr aveling w ith the auto retarder, if the alarm buzzer sounds, depress the brake pedal or retarder control lever of the machine , stop the machine or on level gro und, then turn the auto retarder (ARSC) switch OFF. If any abnormality occurs in the automat ic retarde r system control, it will b e impossible to control the travel speed, so this may lead to serious personal injury. 1. Turn A RSC sy 2. Travel at the speed desired to set switch (2) of th e ARSC set lever. Th is set as the d ownhill speed. The se 3. Before starting to travel downhill, r below the ARS C set travel speed. 4. When reachin g the point to trav lights