BendPak PL-6000DC - Page 67

PL-6000DC/DCX Two-Post Parking Lift 67 P/N 5900273 — Rev. A6 —July 2024
Problem
Possible cause
Solution
Insufficient thrust or low speed.
Oversize/undersize fit clearance
between bore and Cylinder
Rod, broken or incorrect seals.
Repair/replace parts with
correct size and accuracy.
Seals to be reassembled,
adjusted, or replaced.
Severe leaking of the Cylinder.
Replace Cylinder Seals.
Bent Cylinder Rod.
Straighten Rod or replace
Cylinder.
Poor assembly of parts
resulting in loss of concentricity
or excessive friction on one
side of the Lift.
Repair/replace parts and
reassemble.
Damaged Cylinder Bore results
in blocked Rod
Hone to repair Cylinder bore.
Damaged Cylinder Bore results
in blocked Rod
Hone to repair Cylinder bore.
Contaminated Hydraulic Fluid
results in block Cylinder Rod.
Clean Hydraulic Circuit and
replace Hydraulic Oil.
Insufficient thrust or low speed.
(Continued)
Hydraulic Oil Temperature too
high causing Seals to leak.
Search for cause of excessive
temperature.
Insufficient Hydraulic Oil in the
Reservoir.
Fill Hydraulic Fluid Reservoir.
Excessive Oil pressure in return
line.
Increase diameter of return line,
reduce back pressure valve.
Pressure Relief Valve failure.
Replace Pressure Relief Valve.
Leaking Hydraulic Fluid
Galling, scratches, or damaged
seals.
Replace Seal(s).
Seal incorrectly installed.
Replace Seal and install in the
correct direction.
Longitudinal scratches or
grooves between moving parts
inside the Cylinder body.
Repair or replace the Cylinder
parts or the complete Cylinder.
Vibration of inlet and outlet
Hydraulic Oil pipes result in
loosening of connection points.
Tighten the inlet and outlet
pipes or change connection
type.
Noise
Air in the Hydraulic System.
Eliminate leaks and bleed the
system of air by raising and
lowering the Lift several times.
Clearances between relative
moving/sliding parts is too tight.
Disassemble and re-assemble
with proper clearances.
Excessive friction and/or lack of
lubrication on sliding seal
surface.
Replace Cylinder Seals.
Deformed or damaged Guiding
Support Ring.
Support Ring to be repaired or
replaced.
If you continue to have issues with your Lift, take it out of service, then contact your dealer, go to
bendpak.com/support, email support@bendpak.com, or call (800) 253-2363, follow the
prompts to reach support.