HYDRAULIC CONTROLS Right Control Lever Figure OI-41 ISO Control Pattern Left Control Lever Figure OI-39 1 1 P-16615 P-42157 Figure OI-42 P-16615 P-42159 Figure OI-40 B-21924B The right lever is used to operate the boom and bucket [Figure OI-41] and [Figure OI-42] . 1. Boom lower. 2. Boom lower and bucket dump. 3. Bucket dump. 4. Boom raise and bucket dump. 5. Boom raise. 6. Boom raise and bucket curl. 7. Bucket curl. 8. Boom lower and bucket curl. The work equipment (boom, arm, bucket, and upper structure swing) is operated by using the left and right control levers (joysticks).
(See [Figure OI-39] and [Figure OI-40] and [Figure OI-41] and [Figure OI-42] .) The left lever is used to operate the arm and to slew the upperstructure [Figure OI-39] . 1. Arm out. 2. Arm out and slew right. 3. Slew right. 4. Arm in and slew right. 5. Arm in. 6. Arm in and slew left. 7. Slew left. 8. Arm out and slew left. WARNING AVOID INJURY OR DEATH Before leaving the machine: Lower the work equipment to the ground. Lower the blade to the ground. Stop the engine and remove the key. W-2196-0595 325/328 Excavator Operation and Maintenance Manual 16 B-21923B B-21923B