Q: What are the common failure signs of a damaged 352-6990 accumulator bladder?
A: Slow boom rising and falling, unstable hydraulic pressure, obvious system vibration, and frequent pressure loss are typical symptoms of bladder leakage or aging.
Q: What key points should follow when installing 352-6990 accumulator bladder?
A: Release system pressure completely before installation, keep the inner cavity clean, avoid scratching the bladder surface, and standardize nitrogen charging to rated pressure.
Q: Will RITO 352-6990 fit CAT 336D excavator?
A: 352-6990 is a dedicated OEM accumulator bladder, fully compatible with CAT 320D, 325D, 330D and 336D excavator hydraulic systems.
Q: How does this accumulator bladder perform in extreme working environments?
A: It maintains stable elasticity and air tightness at -30°C to 120°C, resisting aging and pressure impact in high-temperature, dusty mining and construction sites.
Q: What advantages does RITO 352-6990 bring for bulk procurement?
A: Durable performance, low leakage rate, unified batch quality and stable delivery cycle, helping wholesalers and mine fleets reduce long-term maintenance costs.