Parker Bent Axis Piston Pump Failure Analysis "Live Drive" Explained
Channel: HYDRAULIC.ONLINE GOLD COAST
Date: 2023-03-10

A Live Drive Bent Axis Piston Pump was causing very severe engine and gearbox vibrations in a tipper truck when it was engaged to generate pressure. 
Live drive means that the pump is constantly rotating and the pistons are pumping oil while the truck's engine is running. 
I inspect and analyse the failure of the pump, which is due to some of the piston rings breaking, losing tension, or failing, causing unbalanced pressure cycles and vibrations that affected the engine and transmission assembly. 
Additionally, I explain the meaning of "Live Drive"  how it works on standby and what happens when pressure is required
As well as how a pump rotation change is made on a bent Axis Piston Pump.
YOUTUBE :
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