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

If the excavator boom sags lower toward the ground overnight, what is the most typical cause?

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Correct!

Incorrect!

Often referred to as lift cylinder drift, this occurs when hydraulic fluid slowly slips past worn hydraulic piston seals inside the cylinder body, or past a worn directional slider spool inside the main control valve bank.

If the excavator boom sags lower toward the ground overnight, what is the most typical cause?

Internal hydraulic oil leakage past piston seals

Accidental release of the control cabin lock

Mud buildup under the travel foot pedal

Counterweight mounting bolts stretching

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