707-56-70540 7075670540 SEAL,DUST (KIT) OF BR300S-1B BR300S-2-M1

Q: What is the part number and matching machine for this dust seal?
A: The part number is 707-56-70540, this dust seal is engineered for motor grader hydraulic cylinders.

Q: What raw materials are applied to produce the 707-56-70540 dust seal?
A: The 707-56-70540 dust seal adopts high elastic polyurethane combined with NBR rubber base.

Q: What protective task does this dust seal undertake on the motor grader?
A: It scrapes off dust, silt and gravel residues from piston rod surface to block pollutants entering cylinder.

Q: Where is this dust seal fitted on the motor grader?
A: It is installed inside the gland of the side shift and lift hydraulic cylinders for grader blade.

Q: What unique advantages does this dust seal own for road construction work?
A: It delivers stable scraping performance and resists abrasion under continuous vibration on grading sites.

Q: Can this dust seal adapt to dry and dusty road construction environments?
A: Yes, the composite material can maintain its sealing lip shape under long-hour dry field operation.

Q: What seal category does this spare part belong to?
A: It falls into dust wiper seal, the outer protective component of hydraulic cylinder sealing assembly.

Q: What is the main note to keep in mind during installation?
A: Apply thin lubricant on piston rod and prevent sharp edges from cutting the seal lip.