In order to avoid cracking , when a cooler is installed in the return oil circuit, a bypass unloading valve must be parallelly connected. And make sure the unloading valve can be opened preferentially when the decompression valve reaches the pressure peak. If there is a pulse in the return oil of system or the oil flow is

为保护冷却器不致破裂，当冷却器安装于回油回路时，必需加装旁通卸载阀，与冷却器并联，并且确认泄压阀遭遇压力峰值时，能够优先打开卸载。如果系统回油有脉冲或者流量很大，建议选用迪奥自循环冷却系统，以保证整个系统的稳定和可靠。