312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control – V2 – Swing Lock System



Illustration 1 g00904797

The swing parking brake is released immediately after any control lever of the boom, stick, bucket, swing or attachment is operated. The swing parking brake is engaged 6.5 seconds after all the control levers return to the neutral position. The swing parking brake is not released while the hydraulic activation control lever is placed to the locked position. The swing parking brake is released by turning the fine swing switch to the ON position, if the fine swing attachment is installed. The swing parking brake is released electrically when the backup switch is placed into the “MAN” side.