| 摘要 |
PURPOSE: An oil exchange unit for heavy equipment is provided to completely exchange used oil remaining in a discharge line, a cylinder line, and a cylinder in heavy equipment. CONSTITUTION: An oil exchange unit for heavy equipment comprises a vacuum tank(110), a vacuum pump(120), an oil supply part(130), and a driving part(140). The vacuum tank draws in used oil from a cylinder(13) and an oil tank(11) through vacuum suction and stores the oil. The vacuum pump provides a suction force to the vacuum tank. The oil supply part provides unused oil to the oil tank. The driving part drives the vacuum pump and the oil supply part. |
