409-35036
Rev A
11
of 15
5.3 Single-acting application with a release valve
1. Using your fingers
only
, rotate the handle clockwise to close the release valve (Figure 5).
CAUTION
Do
not
use any tools on the release valve handle. Doing so can damage the pump and cause it to malfunction.
Figure 5: Closing the release valve
2. Operate the lever to generate hydraulic power for the system. The pressure is maintained as long as
the release valve is closed.
3. To release the pressure, open the valve by rotating the handle counter-clockwise. The hydraulic fluid
flows back into the reservoir.