22
BLEEDING
STEP ONE - Hydraulic Air Bleeding - Filling the Con-
sole Cylinders
•
Position the Main valve handle on the valve block to
the
OPEN
position. Position all other valves to the
CLOSED
position.
•
Press the RAISE button on the power console. This
will extend the cylinders in the console.Tighten the
bleed screws.
•
When the lift ramps are 3-4’ off of the ground, stop
pressing the RAISE button and close the Main Valve
Handle.
•
Open the S3 and S4 Valve Handles.
•
Press the LOWER button until both ramps have low-
ered to the floor.
•
Close the S3 and S4 Valve Handles.
•
Open the Main Valve Handle.
•
Press the RAISE button. This will again extend the
cylinders in the console while lifting both ramps. The
ramps will not be even, this is normal.
•
When the console cylinders have completely ex-
tended, the power unit sound will change. When this
happens, stop pressing the RAISE button and close
the Main Valve Handle.
•
Open the S3 and S4 Valve Handles.
•
Press the LOWER button until both ramps have low-
ered to the floor.
•
CLose all Valve Handles.
•
Proceed to STEP TWO.
STEP TWO - Hydraulic Air Bleeding -Filling the Master
Cylinders
•
OPEN
S3 and S4.
CLOSE
all other valves.
STEP 14
(Hydraulic Air Bleeding and Leveling)
READ THE FOLLOWING START-UP INSTRUCTIONS CAREFULLY AND THOROUGHLY. PAY CLOSE ATTENTION TO
EACH STEP AS DESCRIBED BELOW IN PRECISE ORDER. IF THESE INSTRUCTIONS ARE NOT FOLLOWED EX-
ACTLY, DAMAGE TO THE LIFT CAN OCCUR WHICH IS NOT COVERED UNDER WARRANTY
.
•
To avoid personal injury, DO NOT ATTEMPT the following start-up and pre-leveling procedures with a vehicle on
the runways.
•
NEVER ATTEMPT any valve block adjustments with a vehicle on the runways at any time the lift is in operation.
•
Never go under the lift runways or near any moving components until each scissor mechanism is securely
blocked or the safety locks are fully engaged at all four corners to prevent accidental lowering of the lift.
•
To avoid personal injury, stand clear of scissor leg mechanism while lift is in motion.
•
ALWAYS use jack stands for any service or maintenance. NEVER go under or reach under the lift unless jack
stands are securely in place and power to the lift has been disconnected to prevent others from inadvertently
operating the lift. NEVER use jack stands with a load on the runways.
(Important Note: Never open block valves while simultaneously depressing the power console LOWER button unless spe-
cifically stated to do so.)
All valves Open
S1
S1
Main
Main
S2
S2
S3
S3
S4
S4
All valves Closed
