3 Close the vent valve.
Note: If using the T-1-CPF, ll with test uid through the gauge connections. This may take approximately 15 minutes.
Note: It may be necessary to prime the pump, particularly for rst time use, or if the pump has been inactive for an extended period of time.
Refer to Priming on page 10 for instructions on priming the pump.
4
Pull the pump handle to the top of its stroke.
5 Pull out the valve rod selector to select the low pressure/high volume setting.
6 Gently operate the pump handle until test uid lls the top of the pressure ports on the pressure manifold.
Note: Lightly tap the manifold to make sure that any air bubbles sticking to the walls or in low ow areas are released to oat to the surface.
7 Attach the reference instrument and the device under test to the manifold.
Note: If CPF Fittings are used in your pressure system, remaining air can be purged by applying 10 psi or less and loosening the CPF tting closest to the pres
-
sure device. When uid and air escape from the CPF weep hole, that portion of the system is purged. Repeat this process for each pressure device in the
pr
essur
e system which is connected to a CPF tting.
!
CAUTION: Always choose a reference instrument with a range equal to or greater than the range of the device under test.
8 Ensure all connections are tight and leak free.
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