UFC 3-460-03
21 JANUARY 2003
4.4.5.2.5. Set the CV flow control to open the valve as quickly as possible without tripping the
CDHS-3, typically between 15 to 20 seconds.
4.4.5.3. Recommended Setting Procedure. See Figure 4.4.
Figure 4.4. Refuel/Defuel Control Valve (302AF).
4.4.5.3.1. Set the CV flow control to open the valve as quickly as possible without tripping the
CDHS-3, typically between 15 to 20 seconds. Adjust the CV flow control using the same
procedures described for the 81AF valve (paragraph 4.4.2.).
4.4.5.3.2. Set the CRD, loading, and unloading CRL using the following procedure:
4.4.5.3.2.1. Bottom both CRLs.
4.4.5.3.2.2. Energize the system and adjust the CRD to 10 psi above NOP.
4.4.5.3.2.3. Back out on the unloading CRL until the defueling portion of the valve starts to
open (a 2- to 3-psi drop is acceptable).
4.4.5.3.2.4. Tighten the jam nut on the unloading CRL.
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