714-07-17912 7140717912 TRANSMISSION CONTROL VALVE PILOT FILTER FITS FOR WA470-3 WA380-DZ-3

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5. FAQ

Q: How to determine whether the  transmission gasket set needs a full replacement?

Below are practical judgment standards from professional maintenance technicians, easy to understand, and no full disassembly is required.
External visible symptoms (judge without disassembly)

• Oil seepage or oil leakage at the joints of the transmission housing; oil stains, oil sludge accumulation or oil dripping appearing at housing seams, end covers, transmission pump mounting surfaces, and valve cover edges → full gasket set replacement is required.
• If there are transmission oil drops on the ground after parking, and oil seal leakage is ruled out, it is basically caused by aging and failure of the paper gaskets.
• The transmission oil level keeps dropping regularly with no damaged oil pipes found; this is mostly slight seepage from worn paper gaskets. The leak may not be obvious to the naked eye but causes continuous oil consumption.

Q: Our company has maintenance requirements for equipment. Do you have any maintenance suggestions?

A: Equipment Operating Condition & Maintenance Judgment.If any one of the following conditions is met, it is recommended to perform a major overhaul and replace the complete gasket set directly:

• The machine has operated for more than 8,000 hours with no transmission gaskets ever replaced.
• Long-term heavy-load and high-temperature operation, with the transmission frequently overheating.
• Only partial gaskets were replaced in previous repairs, instead of the full set.
• The transmission has just undergone major overhaul, clutch plate replacement, valve body repair, or torque converter repair.
• Standard workshop practice: A full set of gaskets and oil seals must be replaced during every major overhaul.

Q: Why is compressed fiber composite chosen here?

A: This material is ideal for transmission applications. It has excellent resistance to transmission oil and hydraulic fluids, good compressibility to seal uneven surfaces, and stays dimensionally stable under operating pressures.

Q: What are the key advantages of this material?
A: It offers balanced performance: it’s flexible enough to conform to mating surfaces, strong enough to resist extrusion under oil pressure, and resistant to heat aging in typical transmission operating temperatures.

6. Exhibition and Wearhous

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