561-50-62370 5615062370 SEAL OF HD985-5 HD785-3

Q: What kind of construction machine does dust seal part number 561-50-62370 fit for?
A: The dust seal 561-50-62370 is manufactured for motor grader hydraulic cylinder repair and replacement.

Q: What raw materials are used to produce dust seal part 561-50-62370?
A: 561-50-62370 dust seal adopts high tenacity polyurethane scraping lip and flexible NBR rubber base.

Q: What is the main task of this dust seal during grader operation?
A: It scrapes road dust, gravel powder and muddy slurry off the piston rod as the rod retracts inward.

Q: Where is this dust seal installed on the motor grader hydraulic cylinder?
A: It is seated inside the cylinder gland at the outer opening where the piston rod extends outward.

Q: What performance benefit does this dust seal bring for road grading work?
A: It maintains consistent scraping force under continuous vibration from cutting blade adjustment.

Q: What problem may occur if this dust seal gets worn out?
A: Abrasive particles will penetrate inside the cylinder and wear down the inner rod seal and sliding surfaces.

Q: Do we need to replace other seals when changing this dust seal?
A: It is recommended to inspect all adjacent sealing components during cylinder overhaul for best performance.

Q: What signs indicate that this dust seal needs to be replaced immediately?
A: Watch for lip cracking, loss of elasticity or accumulated mud stuck on the piston rod surface.