MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-11 - Manual (Page 53)

Model 505G2.07/.11 SilentFlo™ HPU 53
Maintenance
This section describes preventive maintenance requirements and their
recommended intervals for the HPU.
Routine Maintenance Overview Checklist 54
Checking the Hydraulic Fluid 55
Replacing the Return Line Filter 57
Sample the Hydraulic Fluid 59
Appearance of Hydraulic Fluid Sample 60
Replacing the Hydraulic Fluid 61
Spare parts
Parts that are specified in the maintenance procedures of this section can be
obtained from MTS Systems Corporation.
Lockout/tagout
For your safety, follow all appropriate lockout/tagout procedures while
performing HPU maintenance.
Operating the HPU
When running the HPU, become familiar with the sounds and smells of the HPU.
Changes in the sounds and smells of the HPU might indicate that maintenance or
service is needed.