NAG/IM/PPC-P/P+/01/22
20
7.
OPERATING INSTRUCTION
The Pressure source for the PPC-P -20 is built-in hand
held vacuum and Pressure pump with a Vernier
adjustment.
Attach gauge or vacuum device to the Test port using
¼” BSP hose fitting connected to the Test port.
Switch the indicator ON.
PRESSURE CALIBRATION
Open the release valve in anticlockwise direction.
Short input (p/v) terminal with the pressure terminal
using hose.
Turn vernier valve in anti-clockwise direction and
maintain it in semi-open position.
Set the indicator to zero by pressing <Zero> soft Key.
Hand Tight release valve of the pump in clockwise
direction.
Pump the movable handle until 80% of the pressure
is generated.
Turn Vernier (fine adjustment) counter clockwise to
decrease pressure and clockwise to increase pressure
of item being tested. Turn Vernier slowly for precise
incremental pressure control.
Upon completion of testing, open the Release valve
in anti- clockwise to release the Pressure to zero and
remove the test device from the hose end.
