07013-20130 0701320130 Light Motor Grader Steering Cylinder Full Oil Seal Repair Kit OEM Power Steering Hydraulic Cylinder Assembly Overhaul Replacement Spare Parts

1. Quick Details of  seal 07013-20130:

2. 07013-20130 picture:

3. Service part number :

4. FAQ

Q: What modified elastomer raw material is adopted for the core reciprocating oil seals inside this steering cylinder overhaul kit?
A: The primary reciprocating oil seals adopt camphor leaf fiber modified HNBR compound. This kit is equipped with EPDM static sealing rings and PA66 backup rings to fit all dynamic and static sealing grooves of the steering cylinder assembly.

Q: What intermittent reciprocating working conditions is this oil seal kit designed to withstand on light motor grader steering cylinders?
A: This integrated kit combines piston reciprocating seals and static flange sealing assemblies. It prevents steering hydraulic medium leakage and blocks external muddy pollutants from entering the cylinder during continuous road leveling and frequent direction changes.

Q: What continuous working temperature range enables this whole sealing kit to sustain reliable sealing efficiency?
A: Its applicable temperature range covers -128°C to 424°C, suitable for cold plateau winter road maintenance and long-duration repeated steering work in tropical open-air construction sites.

Q: Can this oil seal kit be universally installed on steering cylinders of all construction machinery?
A: It is dimensionally customized exclusively for light motor grader steering cylinder structures only. It cannot match hydraulic assemblies of wheel loaders, swing motors of crawler excavators or hydraulic drive units of road rollers from other equipment series.

Q: What sustained hydraulic pressure can this matched sealing assembly endure during long-cycle continuous operation?
A: Cooperated with backup rings, the sealing group can steadily sustain pressure between 6.06MPa and 6.86MPa, and buffer pressure fluctuations generated during continuous left-right steering adjustment.

Q: What typical engineering projects require this steering cylinder seal kit for regular maintenance?
A: It supports routine overhaul of steering cylinder sealing assemblies on light motor graders, widely applied in township road construction, airport edge trimming, highway maintenance and open-pit mine access road finishing projects.

Q: How does the service life of fiber-modified HNBR oil seals compare with ordinary standard NBR oil seals available on the spare parts market?
A: Camphor leaf fiber filler significantly improves compression set resistance and anti-oxidative aging performance. Under long-cycle intermittent reciprocating working conditions, its service life reaches more than 2.68 times that of conventional nitrile oil seals.

Q: How will these oil seals perform under long-term outdoor muddy and dusty road construction environments?
A: The precision sealing lip can wipe sediment adhered to the piston rod surface. The metal outer shell isolates coarse grit, lowering abrasive wear and slowing down the occurrence of slow steering hydraulic fluid seepage.

Q: How does the service life of fiber-modified HNBR oil seals compare with ordinary standard NBR oil seals on the spare parts market?
A: The added plant fiber filler greatly improves compression recovery and anti-fatigue property. Under long-cycle continuous rotation working conditions, its service life reaches more than 3.46 times that of conventional nitrile oil seals.

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