DSL-105 Lifting Devices and Jackstands

Name the Components of a Floor jack

b

c

d

e

f

g

h

i

a

Handle

Wheel

Saddle

Apply Piston

Caster

Ram

Raising Lever

Slave Piston Access

Frame

Hydraulic jack has a fluid _____ and two _____ check valves

• Reservoir

• Container

• One-way

• Double

Pressure increases when a small piston moves a larger one

• True

• False

How is pressure controlled on a floor jack?

• Adding more fluid

• unscrewing the pressure knob completely

• Tightening a pressure screw until it holds the plate steady

• Adding a jack stand

Where would you position a floor jack on a semi-truck?

Floor jacks come standard with a safety lock

• True

• False

Jack stands are optional when it comes to jacking up a vehicle

• True

• False

Jack stands have lifting functions

• True

• False

Jack stands have height adjustments

• True

• False

It is okay to leave a vehicle on a floor jack for an extended period of time

• True

• False