MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-180 - Manual (Page 76)

How to Do It When to Do It What to Do
sample be analyzed by our contracted
service. Ask your Field Service Engineer
for information. occurs first), or sooner
if duty is severe.
Refer to procedure for replacing
hydraulic fluid. If fluid analysis is not to
specifications. Replace hydraulic fluid
Look for signs of fouling or corrosion;
conduct chemical or mechanical internal
cleaning as inspection warrants. Every 2000 hours or
yearly (whichever
occurs first). Conduct internal inspection of
heat exchanger
Footnote. , Footnote.
Consult the Heat Exchanger Care Guide
for more information.
Contact MTS Systems Corporation. Every 2000 hours or
yearly (whichever
occurs first). Check case drain flow of
hydraulic pump
Contact MTS Systems Corporation. Every 4000 hours or 2
years (whichever
occurs first). Replace the PLC battery
Replace as inspection warrants. Contact
MTS Systems Corporation for special
training. Every 5000 hours or 3
years (whichever
occurs first). Replace heat exchanger
Footnote. ,
Footnote.
Motors may be rewound or replaced as
required by inspection. Every 30,000 hours or
5 years (whichever
occurs first). Inspect the motor and pump.
Replace motor bearings
Footnote.
Hydraulic pumps may be rebuilt or
replaced as required by inspection.
Contact MTS Systems Corporation for
special training
Contact MTS Systems Corporation for
special training. Every 10,000 hours or
5 years (whichever
occurs first). Replace hydraulic hoses
Footnote.
Spare parts
Parts that are specified in the maintenance procedures of this section can be obtained from MTS Systems
Corporation. See “Contact information” on the back of the title page to order spare parts.
Lockout/tagout
For your safety, follow all appropriate lockout/tagout procedures while performing HPU maintenance.
76 Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information
Maintenance