hydraulic lock

hydraulic lock

hydraulic lock
Oil or fuel can seep past the piston ring on the lower cylinder of a radial engine, causing hydraulic lock. The pressure of hydraulic lock is identified by an abnormal amount of effort required to rotate the propeller. If a start is attempted under these condition, severe engine damage can result.
i. A condition in which oil drains into the lower cylinders of an engine and leaks past the piston rings to fill the combustion chamber. If this oil is not removed before starting the engine, there is a serious risk of damage to the engine. The propellers are hand-rotated before being hand-cranked to detect this situation.
ii. Refers to the undercarriage that is in a locked state hydraulically (and mechanically).
iii. The use of fluids that are incompressible to prevent the movement of mechanical parts.
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Waste bin - volume - minimum 15 m 3 , - compaction rate - minimum 4: 1, - made of wear-resistant steel with floor thickness, Side walls and ceiling at least 4 mm, - a receptacle of a capacity of at least 1,5 m 3 and made of wear-resistant steel with a bottom thickness of at least 8 mm, - a mechanism for feeding and sealing the waste (a compressing mechanism) installed in the rear cover of the setting with the possibility of manual, Semi-automatic and automatic operation, - rear cover hopper lifted when unloaded with hydraulic cylinders with hydraulic lock, - a dirty water tank with a capacity of at least 70 liters, - two steps for operators in the rear, 2.
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