MTS Model 512-14 Hydraulic Power Unit - 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
Replacing the Filter 31
Sampling the Hydraulic Fluid 32
Adding Hydraulic Fluid 35
Replacing the Hydraulic Fluid 36
Lubricating the Motor 39
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” on
page 29.
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 “Replacing the Filter” on page 31.