XPR-9 Series Two-Post Lifts 37 P/N 5900371 — Rev. D2 — May 2023
Hydraulic System Warnings
Before applying power to the Hydraulic System note the following Warnings:
⚠
WARNING Failure to observe these warnings can result in serious personal injury including, in
rare cases, death.
⚠ WARNING The Hydraulic hoses and connections must be inspected before any attempt to
raise a Vehicle is made.
⚠ WARNING Verify all Hydraulic Hose connections and fittings, including unused auxiliary port
plugs on the Power Unit, the Flow Divider, the Cylinders and anywhere else in the
Hydraulic System are tightened.
⚠ WARNING The Power Unit is a Hydraulic Pump capable of developing pressures in excess of
5,000 psi (345 BAR). A pressure relief valve is used to set the pressure at the
desired level. Tampering with, adjusting, modifying, or removing the relief valve is
extremely dangerous and is not recommended. Only trained Hydraulics technicians
should adjust the relief valve, using calibrated hydraulic pressure gauges to assure
the proper pressure setting is achieved.
⚠ WARNING Changes to the output pressure may render the power unit incompatible with
pressure limitations of other components in the hydraulic circuit. This may cause
catastrophic failure of those components, and could result in property damage,
serious personal injury, or death.
⚠ WARNING The Hydraulic System can contain high pressure which, if suddenly released, can
cause serious injury or death.
⚠ WARNING Do not attempt to connect or disconnect Hydraulic Hoses while the equipment is
loaded or while a Vehicle is on the Lift, or the Hydraulic System is under pressure.
⚠ WARNING Keep bare hands away from Hydraulic Fluid; always wear gloves when handling
Hydraulic Fluid, Cylinders or Hydraulic Hoses.
⚠ WARNING When handling Hydraulic Fluid, always observe the safety instructions from the
manufacturer.
⚠ WARNING Always promptly clean any Hydraulic Fluid spills. If a leak is the source of the spill,
lockout the Lift to prevent use until the Hydraulic System is repaired.
About Thread Sealants
Liquid Thread Sealant lubricates and fills the gaps between the Fitting threads and leaves no residue
that could contaminate the Hydraulic Fluid. Other types of Thread Sealants (like Teflon Tape) can shred
during installation or removal and eventually enter the Hydraulic System. Thread Sealant can be used
with most Hydraulic Fittings, although you probably only need to use it with NPT connectors.
To apply Thread Sealant:
1. Apply the thread sealant when the ambient temperature is between +46.5°F to +70°F (+8°C to
21°C)Make sure the Fittings and connectors you are going to use are clean and dry.
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