INSTRUMENTS AND CONTROLS All boom movements are disabled if the equipment control lock is engaged. (See pos.10.) 4 - BOOM ROTATION PEDAL CAUTION Always engage the boom rotation lock (1) before driving from one place to another and when parking the machine. This pivoting pedal controls left and right boom rotation as shown. 1 A - Rotate boom left S00144 N - Neutral A B N B - Rotate boom right F00267 S00145 All boom movements are disabled if the equipment control lock is engaged. (See pos.10.) IMPORTANT Rotate the boom only if you need to dig trenches at an angle from the machine. Rotate the revolving frame and not the boom to unload the bucket onto waiting lor- ries.
Once the boom is aligned with the trench, do not rotate it unnecessarily. 51