Podcast
Questions and Answers
In the C-750 gear oil system, what is the main function of the E-751 component, and how does it achieve this function?
In the C-750 gear oil system, what is the main function of the E-751 component, and how does it achieve this function?
E-751, the Gear Oil Cooler, cools the gear oil by using cooling water on the tube side to remove heat from the oil on the shell side before it is routed back to the gearbox.
During normal operation, where does the shaft-driven internal oil pump take suction from, and what is the destination of the oil after it passes through F-750?
During normal operation, where does the shaft-driven internal oil pump take suction from, and what is the destination of the oil after it passes through F-750?
The shaft-driven internal oil pump takes suction from the gearbox reservoir. After passing through F-750 (Gear Oil Filter), the oil is routed back into the gearbox housing.
Describe the operational context in which P-750 is utilized, and briefly explain its purpose within the C-750 gear oil system.
Describe the operational context in which P-750 is utilized, and briefly explain its purpose within the C-750 gear oil system.
P-750 is used during startup to maintain gear lubrication for C-750. Its purpose is to ensure adequate oil supply when the main shaft-driven pump is not yet fully operational.
Besides the oil filter, name another major component oil flows through before returning to the gear box, and what is the function of this component?
Besides the oil filter, name another major component oil flows through before returning to the gear box, and what is the function of this component?
If the auxiliary oil pump, P-750, were to fail, what potential issue could arise during the startup phase of C-750, and why?
If the auxiliary oil pump, P-750, were to fail, what potential issue could arise during the startup phase of C-750, and why?
Flashcards
Internal Oil Pump Function
Internal Oil Pump Function
A shaft-driven pump that supplies oil for gear lubrication in C-750.
E-751 (Gear Oil Cooler) Purpose
E-751 (Gear Oil Cooler) Purpose
Cooling the gear oil using cooling water before it goes back into the gearbox.
F-750 (Gear Oil Filter) Function
F-750 (Gear Oil Filter) Function
To remove contaminants from the gear oil.
P-750 (Auxiliary Gear Oil Pump) Purpose
P-750 (Auxiliary Gear Oil Pump) Purpose
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E-751 Heat Exchange
E-751 Heat Exchange
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Study Notes
- A shaft-driven internal oil pump takes suction from the gearbox reservoir and supplies oil to lubricate the gears of C-750.
- The oil flows through the shell side of E-751 (Gear Oil Cooler) and is cooled by cooling water on the tube side.
- The oil then goes to F-750 (Gear Oil Filter) before returning to the gearbox housing.
- P-750 (C-750 Auxiliary Gear Oil Pump) ensures gear lubrication during startup.
P-750 (C-750 Auxiliary Gear Oil Pump)
- P-750 is a single-stage centrifugal pump.
- It is driven by a 1 HP, 1800 RPM horizontally-mounted induction electric motor.
- Its function is to route gear oil to C-750 during startup.
E-751 (Gear Oil Cooler)
- E-751 is a shell and tube exchanger.
- It cools gear oil on the shell side using cooling water in the tubes.
- Its purpose it to cool the gear oil before it is routed to the gearbox.
F-750 (Gear Oil Filter)
- F-750 removes contaminants from the gear oil.
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