Product Manual

5
MAINTENANCE
Lubricate all moving parts with oil/grease.
Lubrication
A periodic coating of light lubricating oil to pivot points, axles and hinges will help to prevent rust and assure that
wheels, and caster assemblies move freely.
Storage
When not in use, store the lift with cylinder fully lowered.
TROUBLESHOOTING
Symptom Possible Causes Corrective Action
The lift will not lift load • Air pressure too low
• Air hose kinked or plugged
• Air hose inner diameter too small
• Air cylinder / components damaged
• 200 psi minimum air pressure
required to lift rated load
• Remove kinks and obstruction from
air hose
• Consult air compressor manufacturer
for the correct size of hose
• Contact Hein-Werner repair center
Lift will not lower after unloading • Safety bar engaged
• Structural damage to lift assembly
• Press lift control valve to raise lift
slightly, then disengage safety bar
• Contact Hein-Werner repair center
Lift raises or lowers with jerky
motion
• Cylinder might need lubrication • Apply #630-AAA LUBRIPLATE to
cylinder wall