Daily maintenance long extened arm of excavator

Appearance inspection: Before and after daily work, it is necessary to check the appearance of the lengthening arm to see if there is deformation, crack, wear, especially at the weld. If problems are found, they should be dealt with in time.
Cleaning work: Clean the dust, oil, soil and other debris on the surface of the arm with a clean cloth or brush to prevent impurities from corroding the paint and metal, affecting its performance and appearance.
Lubrication treatment: grease the lubrication points according to the regulations to ensure that the pins, joints and other parts of the lubrication is good, reduce friction, reduce wear, general work 50-100 hours need to be lubricated.

Bolt fastening: Every once in a while, such as working for 200-300 hours, it is necessary to comprehensively check the fastening of the connecting bolts of the extension arm, and tighten them with a torque wrench according to the specified torque to prevent bolts from loosening due to vibration, resulting in safety accidents.
Hydraulic system maintenance: check the oil level and oil quality of hydraulic oil regularly, such as every 500-1000 hours or half a year. The low oil level should be added in time, and the poor oil quality should be replaced, and the hydraulic oil filter should be cleaned or replaced to prevent impurities from entering the system and affecting the normal work of the hydraulic components.
Inspection and detection: Working for 1000-2000 hours or about a year, the key parts of the extended arm, such as the large arm, the forearm, the joint, etc., should be used for inspection and detection equipment, timely detection of potential cracks and other defects, to avoid serious structural damage accidents.
Contact us Dewanda for more information //www.dewandaparts.com/