ZQ10Y72 Fuhua Oil Separator Kit ZQ10Y72-GYT

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ZQ10Y72 Fuhua oil separator kit ZQ10Y72-GYT

The Oil Separator Sleeve is installed inside the wheel hub.

Function

1. Oil Separation: Its main function is to separate the lubricating oil and brake fluid inside the left gearbox bell housing. Since the left gearbox bell housing integrates the gear shift assist mechanism, there are two completely different hydraulic systems (lubrication oil circuit and brake fluid circuit) in this area.
2. Prevent Cross-Contamination: Without this oil seal, the lubricating oil from the left gearbox (such as the gear shift assist fluid) could leak into the braking system, leading to brake failure or brake fluid degradation; and vice versa. Therefore, it acts as a "barrier" to ensure vehicle safety.
3. Structural Support: It also typically serves as a structural support component inside the bell housing, helping to fix bearings or support internal structures.

DETAILS

Material

1.Made of rubber material, it requires excellent oil resistance, high-temperature resistance, and aging resistance. It must maintain its elasticity for extended periods in high-temperature and high-pressure working environments, preventing hardening and cracking caused by aging.

2.It is a hollow, tubular or sleeve-shaped structure that fits around the bearing seat bore inside the gong wheel hub. It contains a precision oil groove specifically designed to hold the separated lubricant.

Advantages

1. Safety Guarantee: It is the last line of defense against brake system failure caused by leaks in the left-side gearbox oil lines. Its integrity directly impacts vehicle safety.
2. Durability: Fuhua brand oil seals typically use high-strength materials (such as metal or high-performance rubber), offering a long service life and resistance to wear and tear from prolonged, heavy-duty operation of heavy trucks. 3. Easy Installation: If it's a metal sleeve, it's usually installed by pressing or using a snap ring; if it's a rubber sleeve, it usually uses a slip-on design, making it easy to remove and install during maintenance.

ecommendations

1. Oil Leak: If oil stains are found on the bottom or side of the transmission, it usually means the oil seal is damaged. In this case, the transmission must be removed for a thorough inspection. The oil seal is a mandatory replacement part because removing the transmission is a major undertaking, involving the removal of multiple components such as bearings, seals, and oil lines. If the oil seal is not replaced at this time, it is highly likely that oil leaks will occur again after reassembly.
2. Professional Advice: When the transmission is disassembled, the original oil lines will be removed, and all internal seals (such as the oil seal) will be inspected. Replacing the oil seal at this time is the most economical and safest option.

If both the right and left side transmissions are functioning correctly, and the right-side transmission does not have an oil seal (because there is no shift assist mechanism on the right side), then as long as there is no oil leak from the left-side transmission, replacement is not necessary.

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