Dig It or Miss It? The Ultimate Excavator & Heavy Engineering Masterclass

If the return-line hydraulic filter becomes severely clogged, what is the most likely symptom?

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Correct!

Incorrect!

A clogged return filter restricts fluid returning to the reservoir, causing dramatic backpressure. This restricts overall control valve response, making controls feel sluggish while raising oil operating temperature.

If the return-line hydraulic filter becomes severely clogged, what is the most likely symptom?

Sluggish operation and high system temperature

Fuel leaking from the engine cylinder head

Air conditioner in the cab stops working

Exhaust black smoke due to high DPF soot

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