HD-9 Series Four-Post Lifts
43
P/N 5900123 — Rev. M — February 2020
IMPORTANT! PLEASE READ NOW
Hydraulic Fluid Contamination
Hydraulic Fluid Contamination poses a
serious
issue for your Lift; contaminants such as water, dirt,
or other debris can get into the Hydraulic Hoses and Fittings on your Lift, making your new Lift
inoperable.
Your Lift is shipped with clean components; however, BendPak strongly recommends that you take
secondary precaution and clean all Hydraulic Hoses and Fittings prior to making connections. It is
better and less costly to take these extra steps now so that you do not need to take your Lift out of
service later to fix issues that could have been prevented at the time of installation.
There are several ways to clean Hydraulic Hoses and Fittings:
•
Compressed Air
. Use an air compressor to blow out contaminants from each Hydraulic Hose
and Fitting prior to installation. Clean, dry air is preferred. Wear eye protection (safety glasses,
goggles, or face shield) when using compressed air for cleaning. Never point an air hose nozzle at
any part of your body or any other person.
•
Fluid Flushing
. As long as the Hydraulic Fluid is clean and compatible with the system fluid, you
can flush Hoses and Fittings to create turbulent flow and remove particulates. Always ensure that
the fluid itself is contaminant-free.
Some additional steps that will help keep the Hydraulic Fluid clean:
•
Remove old thread seal tape
. Some ports on the Hydraulic Cylinders are shipped with
temporary plugs secured with thread seal tape, so make sure to thoroughly remove any leftover
thread seal tape that may inadvertently enter the Hydraulic System.
•
Use a liquid thread sealant only
. Teflon paste-type thread sealant or Loctite™ 5452 thread
sealant is recommended for all NPT Fittings. Do not over tighten NPT Fittings or they may crack.
Never use thread seal tape on JIC Fittings or ORB O-Ring Fittings.
•
Always use clean equipment
. If you use a dirty bucket or funnel to transfer the Hydraulic Fluid
into the Hydraulic Fluid Reservoir, the contaminants will likely be introduced into the Fluid. When
using cleaning rags, use a lint-free rag.
•
Proper storage
. Keep the Hydraulic Fluid sealed in its container until ready for use; store the
Fluid in a clean, dry, and cool area.
•
Cover the Hoses and Fittings
. Before installation, do not leave the ends of the Fittings
exposed; the same applies for the Hydraulic Hoses. As a general rule, keep the Hydraulic Hoses
and Fittings capped and kept clean in a clean area until ready for use.
•
Filter the new Hydraulic Fluid
. Just because it is new does not necessarily mean it is
clean
.
Use an offline filtration cart or kidney loop system to make sure the Hydraulic Fluid is clean before
being transferred into the Hydraulic Fluid Reservoir (even using a heavy duty nylon mesh screen is
better than trusting what is left at the bottom of the barrel).
•
Avoid mixing different types of Hydraulic Fluid
. If Hydraulic Fluid needs to be replaced,
make sure to flush the Hydraulic System of the old Hydraulic Fluid before you add the replacement
Fluid; do not mix the two together.
Summary of Contents for HD-9
Page 8: ...HD 9 Series Four Post Lifts 8 P N 5900123 Rev M February 2020 Specifications ...
Page 35: ...HD 9 Series Four Post Lifts 35 P N 5900123 Rev M February 2020 ...
Page 76: ...HD 9 Series Four Post Lifts 76 P N 5900123 Rev M February 2020 Labels ...
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Page 78: ...HD 9 Series Four Post Lifts 78 P N 5900123 Rev M February 2020 ...
Page 79: ...HD 9 Series Four Post Lifts 79 P N 5900123 Rev M February 2020 Parts Drawings ...
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