MTS Series 505 SilentFlo Hydraulic Power Unit Model 505-30 - Manual (Page 57)

Routine Maintenance Overview Checklist
Model 505.20 - 505.30 SilentFlo™ HPU Maintenance 57
Replace all filters MTS MTS
Verify operation and settings
of psi control and relief valves MTS MTS
Check pump/motor coupling
for wear and debris MTS
Check pump voltage and
current MTS
Check case drain flow MTS
Recommend MTS Hydraulix
oil sample MTS MTS MTS MTS
Recommend replacement or
rebuild of heat exchanger MTS MTS
Recommend replacement of
hoses MTS
Recommend replacement of
motor bearings MTS MTS
Recommend replacement or
rebuild of pump MTS
Recommend replacement or
rewind of motor MTS
Recommend hydraulic fluid
change & clean pump inlet
strainer MTS
*Symbol denotes services performed by equipment operators. Most of these procedures involve visual checks that
should not interfere with test system operation. These checks are also completed by trained field service engineers
on each Routine Maintenance visit.
†Symbol denotes service performed by trained field service engineers as part of an MTS Routine Maintenance
plan. Some of these procedures require special service tools and/or specific service training to complete.
Recommended service to be performed at each running time interval noted
Calendar Time using 8 hour
Running Time rate per day Daily Weekly Monthly Annually
Running Time-Hours 8 40 160 500 1000 1,500 2,000 5,000 10,000