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14 terms

Actuator Review

STUDY
PLAY
Mechanically Blocked
This is when you have supported something either with jack stands, metal rods, woodnt blocks. ect.
Pump
A hydraulic ____ has an inlet port that is bigger then the outlet port.
Motor
A hydraulic _____ has an inlet and outlet port that are the same size.
Actuator Failure
Shock loading an acuator, excessice air in the system and wear and tear are all causes of this.
Oil Flow
This is the one characteristic that will affect the actuator operation.
Dangerous
Loosing connections to relive hydraulic pressure you are creating a very _____ and unsafe situation.
Torque
To find _____ output you would multiply "PSI" times "motor displacement" and divide 2 times Pi.
Neather
Of these _____ are right when testing a hydraulic motor.
Checking system pressure with no load and stalling the motor with wrench.
Hydraulic Power Device
To disassemble a cylinder i would use a __________ which would have a gauge to make sure i dont overpressurize the cylinder or device.
Automatically
Hydraulic pumps _______ bled the air from their case by the flow of oil moving through them.
Winch or come-along
Using this to disassemble a cylinder isnt recommened because it causes an unsafe condition for the tech.
Speed
The _____ of a cylinder extension and retraction in different becuase of the different flow patterns in the circut.
Flow
Increasing and decreasing speed on acuators, cylinders, and motors is caused by the changing of oil _____.
NO
Yes OR NO By removing the load on a actuator you have completly de-energized the hydraulic circuit.