MTS Landmark Tabletop - Manual (Page 101)

Caution:
Mixing different brands of hydraulic fluid can contaminate your system.
Contaminated hydraulic fluid can cause premature wear of the hydraulic components in your
system.
Do not mix different brands of hydraulic fluid. MTS Systems Corporation recommends using
Mobil DTE-25 or Shell Tellus 46 AW hydraulic fluid.
The filter element should be replaced whenever:
• The indicator on the top of the filter housing is in the bypass position, which indicates a dirty filter condition.
• The hydraulic fluid in the hydraulic power unit is changed.
Replace the filter element with one of the same rating or better.
Kit Number Part Number Filter
044-205-301 011-395-937 3 micron (Beta
3
= 75)
044-205-201 011-395-936 10 micron (Beta
7.4
= 75)
Change the HSM Filter
1. Ensure that system hydraulic pressure has been reduced to zero before proceeding. To do this, turn off
the hydraulic power unit and exercise the actuator until it stops moving.
2. Turn off electrical power at the controller.
3. Place a waste fluid pan beneath the filter housing, which will accumulate any small amount of drainage
from the filter housing.
4. Remove the inlet filter bowl.
5. Remove the disposable filter element from the filter bowl.
6. Empty the oil in the filter bowl into the pan. Wipe out any remaining sediment with a clean lint-free cloth.
7. Inspect the O-ring in the filter housing for any sign of deterioration. If necessary, replace the defective
O-ring (part number 010-010-726).
8. Lubricate the filter element and filter housing O-rings with clean hydraulic fluid. Insert the replacement
filter element into the filter bowl. Tighten the filter bowl to 34–41 N·m (25–30 lbf·ft).
9. Apply low, then high, hydraulic pressure to the actuator manifold and inspect the seal between the filter
bowl and housing for any signs of leakage. If leakage exists, turn off system hydraulic and electrical power
and repeat Steps 4 through 9.
MTS Landmark™ Tabletop Load Units Product Information 101
Maintenance