MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-180 - Manual (Page 82)

Description Item
“T” Handle 11
2. Unlock and open the small cover next to the electrical enclosure to access the filter assembly.
3. Release the clamp securing the cover to the head assembly.
Important:
You will need a minimum clearance of 712 mm (28 in) above the filter housing to remove the filter.
4. Place a drain pan nearby to catch drippings from the filter.
5. Use the “T” handle to pull the filter cartridge out of the filter tube. Be careful not to spill any hydraulic fluid.
6. Replace the O-ring(s) seals in the bypass valve assembly and under the cover. (Reference MTS part
number 100-030-032 and 100-030-053.)
7. Unscrew the “T” handle from the cartridge rod and remove the filter cartridge.
8. Install a new filter on the cartridge rod and secure it with the “T” handle.
9. Install the filter cartridge assembly into the head assembly and into the filter tube.
10. Replace the cover and clamp it to the head assembly.
11. Turn on the HPU and switch to high-pressure mode. Inspect the seal between the housing, filter, and
cover for any signs of leakage.
12. If leakage occurs, repeat this procedure (without replacing the filter element). If leakage persists, contact
MTS Systems Corporation.
13. If you are changing the filter because the dirty filter indicator tripped, run the HPU for two to four hours to
remove contaminants. Then take a fluid sample and have it analyzed.
14. Continue to clean the fluid if it does not meet an ISO cleanliness level of 16/13/9 or better.
15. Press the Reset button on the user interface panel to reset any interlocks and turn off the Return Filter
Dirty indicator.
82 Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information
Maintenance