. ATTACHMENTS AND OPTIONS RECOMMENDED ATTACHMENT OPERATIONS ATTACHMENTS AND OPTIONS RECOMMENDED ATTACHMENT OPERATIONS thrusting to raise the NOTICE 6 - 31 Pecking operatio Extendin ucket cylinder machine off the ground ully and Greasing Supply g rease in the correct position. If the breaker is gre ased in an imprope r posture, it is filled with more grease than necessary. A s a result, soil and sand will enter the hydraulic circuit and can damage t he hydraulic c omponents, while the b reaker is in use. Therefore , be sure to grease the breaker, holding it in the right posture.