56-101-00212 Revision E
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4. With the Selector Valve (#9) arrow pointing toward the Reservoir (#3), rotate the
Screw Handle (#1) fully clockwise (CW).
5. Remove the Vented Plug (#16) from the Reservoir (#3). Fill the Reservoir completely
with the appropriate fluid.
Note:
Once filled, the Tester must be maintained in a position approximately level
with the Reservoir (#3) up. If not, the fluid will spill through the Vented Plug
(#16).
6. Rotate the Screw Handle (#1) fully counterclockwise (CCW) and add fluid to the
Reservoir until within 1/8
” of full.
7. Rotate the Selector Valve 90° or halfway between the Reservoir position and the
outlet position.
8. Gradually turn the Screw Handle (#1) CW while observing the Master Gauge until
the gauge reaches full scale.
9. Allow a few seconds for the pressure to stabilize; then observe the Master Gauge for
one minute to note if leakage occurs.
Note:
Depending on the viscosity of the fluid in the Tester, a slight leakage may
occur. If leakage is no more than 5% of full scale in one minute, the accuracy
of later test readings will not be affected. However, the leakage rate must be
considered if subsequent tests involve leak detection.
10. Rotate the Screw Handle (#1) CCW until the Master Gauge reaches zero.
CAUTION:
DO NOT ALLOW MASTER GAUGE TO GO BELOW ZERO.
11. Turn the Selector Valve (#9) arrow toward the Reservoir (#3) and continue rotating
the Screw Handle (#1) fully CCW.
12. Turn the Selector Valve (#9) arrow toward the Outlet Fitting (#18) and slowly turn the
Screw Handle (#1) until fluid appears at that port.
13. The Tester is now ready for use.
3. CHANGING TESTER FLUID
CAUTION:
ENSURE MASTER GAUGE READS ZERO BEFORE PROCEEDING.
Note:
Refer to Figure 6 to identify item numbers.
A. Follow the procedure below if the working fluid of the Tester needs to be replaced with a
different one. This ensures there will be no residues of the previous liquid inside the
Tester, which can contaminate the new fluid.
1. Remove the Master Gauge from the Adapter (#14) using a wrench on the fitting only.
CAUTION:
DO NOT ATTEMPT TO TURN THE GAUGE BY FORCING THE
HOUSING.
CAUTION:
IT IS NOT RECOMMENDED THAT A PRESSURE GAUGE BE USED
FOR MULTIPLE APPLICATIONS HAVING DIFFERENT FLUIDS IN USE
AS CROSS-CONTAMINATION MAY OCCUR (REF. ASME B40.100-
2005).
2. Place the Tester inside a large plastic container to avoid spills of the hydraulic liquid.
3. Remove the Vented Plug (#16) from the Reservoir (#3).