MTS Series 505G2 SilentFlo Hydraulic Power Unit Model 505G2-180 - Manual (Page 38)

Model Number Water
Temperature
505.180 505.150 505.120 505.90 505.60
166.5 L/m (44
gpm) 135 L/m (36
gpm) 113.6 L/m (22
gpm) 83.3 L/m (22
gpm) 56.8 L/m (15
gpm
21.1°C (70°F)
257.4 L/m (68
gpm) 210 L/m (55
gpm) 166.6 L/m (44
gpm) 128.7 L/m (34
gpm) 83.3 L/m (22
gpm)
26.7°C (80°F)
537.5 L/m (142
gpm) 440 L/m (116
gpm) 355.8 L/m (494
gpm) 268.7 L/m (71
gpm) 177.9 L/m (47
gpm)
32.2°C (90°F)
5. Add hydraulic fluid to the reservoir.
The unit is shipped with a plug in the filler cap. Remove the red filler cap plug and install the screen in the
fill port on the top of the reservoir. The screen is shipped in the electrical enclosure.
Pump hydraulic fluid (filtered to 10 microns) into the reservoir. Stop when the fluid level reaches the
maximum fluid level as indicated by the oil level dial gage
.
6. If provided, check the precharge pressure of the optional surge suppressor. Refer to the appropriate
procedure for complete instructions.
7. Test the HPU.
a) The unit is shipped with a plug in the filler cap. Remove the red filler cap plug and install the screen in
the fill port on the top of the reservoir. The screen is shipped in the electrical enclosure.
b) Rotate the power disconnect switch to the on (|) position.
Caution:
The first time a pump motor is started after electrical service is connected to the HPU, it
is possible for the pump motor to rotate in the wrong direction.
A pump motor rotating in the wrong direction at high pressure for longer than 10 seconds
can cause severe damage to your HPU.
If the output pressure does not increase within 10 seconds after High is selected, stop the
unit.
c) Start the HPU by pressing the Start switch.
38 Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information
Installation