Maintenance, Maintenance 27 – MTS Model 512-14 Hydraulic Power Unit User Manual
Page 27
512.14 Hydraulic Power Unit
Maintenance
27
Maintenance
This section describes preventive maintenance requirements and their
recommended intervals for the Product Name.
Contents
Checking the Hydraulic Fluid 29
Sampling the Hydraulic Fluid 32
Replacing the Hydraulic Fluid 36
Scheduling
maintenance
The following table lists the recommended interval for each maintenance
procedure.
Maintenance Schedule (part 1 of 2)
What to Do
When to Do It
How to Do It
Make daily visual
inspections
Before the start of each day’s
testing.
Check the fluid level in the sight gage and
replenish as required.
Look for signs of fluid leakage.
Check status of dirty filter indicator and
replace filter if required.
Check system operating pressure and adjust
as required.
Check fluid quality and
condition
Every 40 hours or 1 week.
Compare the condition of the fluid to that of
your sample, including odor and color.
Perform
“Checking the Hydraulic Fluid”
Check functionality of
warning and interlock
devices
Every 40 hours or 1 week.
Depress emergency stop button(s) to verify
that warning and interlock devices are
functioning properly.
Conduct external
inspection of the heat
exchanger
*
Every 500 hours or 3 months.
Look for dents, bulges, and leaks, damaged
gaskets, corrosion, and worn, frayed, or
leaking hoses.
Inspect hydraulic hoses,
replace as required
Every 1000 hours or 6 months
Look for signs of wear, check for fluid leaks,
tighten connections as needed.
Replace fluid filter
Every 1000 hours or 6 months, or
when the filter gage needle stays
in the yellow or red zone; and
whenever you replace the
hydraulic fluid.
Perform