. ATTACHMENTS, OPTIONS HANDLING ANTI SKID BRAKE SYSTEM (ABS) ABS MAIN SWITCH REMARK 6 - 19 Use this ABS switc h (2) to switch the ABS syst em ON or OFF When portion (A) of the switch is pressed, the A BS is actuated the ABS actuation l amp on the machine monito r lights up. When portion (B) o f the switch is pressed, the ABS is cance and the ABS actuat ion lamp on the machine m onitor goes out When the head lam ps are turned on, the icon in side portion (B the ABS switch ligh ABS OPERATION L AMP This ABS actuation lamp (3) lights up when the ABS main swit ch is ON, and the system det ects slipping caus ed by the wheels locking, and actuates the ABS.
CHARACTER DISPL If any problem occu rs in the ABS system, the a ction code is d isplayed on t his character di ABS SYSTEM CHECK AFTER STARTING ENGINE After starting the en gine, check the ABS system . 1. Set the machin e in the following condition. If the machine i Oarking brak Brake oil pre ABS main s Action code s not in the following conditi on, the ABS sy stem cannot be is not displayed on characto 2. Keep the brake pedal depressed until the A BS system ch eck is completed 3. Keep the ABS s ystem check switch presse d for approx. 1 second. The ABS opera When any prob code. For detai repair.
tion lamp flashes and the A BS check syste m starts lem occurs in ABS system, the action cod e is displayed on charactor d isplay. Check the error ls, see "TROUBLESHOOTING (PAGE 6-21)". Please your Komatsu distributor to carry out your Komatsu distributo The ABS system ch ecks the ABS control valve , ABS cut valv e, oil pressur e switch, and oi l pressure sensor. This check is completed 4. When the flashi ng of the ABS operation lam p stops, the c heck is completed. Release the brake