Final answer:
The manual hydraulic hand pump can be used to operate the hydraulic system of a MHU-83 in case of engine or hydraulic pump failure. This backup option involves manually pumping hydraulic fluid through the system to create pressure and enable operation.
Step-by-step explanation:
In the event of engine or hydraulic pump failure in the MHU-83 hydraulic system, an alternative method called the manual hydraulic hand pump can be used to operate the system. This backup option allows the system to be operated by using manual force to pump hydraulic fluid through the system. The manual hydraulic hand pump is typically located directly on the hydraulic system or near the hydraulic cylinders, and it can be operated by hand or with the use of a wrench or lever.
In order to operate the hydraulic system using the manual hydraulic hand pump, the user would need to locate the hand pump and manually pump the hydraulic fluid through the system. This manual pumping action creates pressure in the system, which then allows for the operation of any hydraulic components connected to the system, such as cylinders, motors, or valves.
It's important to note that operating the hydraulic system with the manual hydraulic hand pump may require more effort and time compared to the normal operation with the engine or hydraulic pump. Additionally, the manual hydraulic hand pump may have certain limitations in terms of the amount of pressure it can generate, which may affect the overall performance of the system.