4
Figure 1 - Typical Floor Jack Nomenclature
OPERATION
Lifting
(refer to Fig 1)
1. Place vehicle in park, with emergency
brake on and wheels securely
chocked to prevent inadvertent vehicle
movement.
2. Close release valve by turning handle
clockwise until firm resistance is felt
Center jack saddle under lift point.
3. Verify lift point, then pump handle until
saddle contacts lift point. To lift, pump
handle until load reaches desired
height.
4. Transfer the load immediately to
appropriately rated jack stands (
always
use in pairs).
Lowering
1. Raise load high enough to clear jack
stands, then carefully remove jack
stands.
2. Slowly turn the handle counterclockwise,
but no more than 1/2 full turn. If the load
fails to lower:
a. Use another jack to raise the
vehicle high enough to reinstall jack
stands.
b. Remove the affected jack and then
the stands.
c. Using the other jack, lower the load
by turning the operating handle
counterclockwise, but no more than
1/2 full turn.
3. After removing jack from under the
load, push saddle down to reduce ram
exposure to rust and contamination.
Jack handle
Engage
release valve
with this end
Front
wheel
Caster
Release
valve
Handle
sleeve
Cover plate
(Remove to access
oil filler plug)
Oil filler plug
(Not shown, on
reservoir)
Lifting arm
Saddle
