25
POST-INSTALLATION CHECK-OFF
Posts properly shimmed and stable
Anchor bolts tightened
Pivot / sheave pins properly attached
Carriage stop bolts torqued to 2-3 ft-lb
Electric power supply confi rmed
Cables adjusted properly
Safety locks functioning properly
Check for hydraulic leaks
Oil level
Lubrication of critical components
Check for overhead obstructions
Lift arms level
All screws, bolts, and pins secured
Surrounding area clean
Operation, maintenance and safety manuals
on site.
STEP 15
(Lubrication)
1
. After installation and start-up has been completed,
lubricate lift components as described below.
(See Fig. 15.1)
STEP 16
(Bleeding the Cylinders)
1. After electrical power is connected and oil reservoir
is full, press button to raise lift.
2. Continue raising until lift cylinders fully extend to full
height. DO NOT continue pressing button after lift reach-
es full height. Damage to motor can occur if continued.
3. Lower the lift only HALF WAY by pressing the
SAFETY RELEASE handle inward then pressing in the
DOWN lever on the power unit.
4. With the lift at half height, slowly loosen the BLEED
SCREWS located at the top of each cylinder to bleed
trapped air. DO NOT completely remove bleed screws.
Re-tighten after trapped air has escaped. (See Fig. 16.1)
5. Lower the lift completely by pressing the SAFETY
RELEASE handle inward then pressing the DOWN lever
on power unit. Wait fi ve minutes and repeat bleeding
process one additional time.
DANGER!
THE LIFT WILL MOVE DOWN WHEN BLEEDING
MAKE SURE ALL EQUIPMENT, PERSONNEL ,HANDS
AND FEET ARE CLEAR BEFORE BLEEDING
Fig. 15.1
Fig. 16.1
Cylinder
Bleed
Screw
DO NOT
completely
remove
Bleed Screw.
One full turn
should purge
trapped air.