Rollover Valve: Testing and Inspection

Fig. 32 Testing check & cut valve.:

NOTE: Perform test with valve positioned horizontally.

1. Remove check and cut valve.
2. Connect vacuum/pressure gauge as shown in upper left of illustration.
3. Blow through valve from (A). Valve should open with pressure of 0.14 - 0.71 psi (0.98 - 4.91 kPa).
4. Connect gauge as shown in lower right of illustration.
5. Apply pressure through valve from (B). Valve should open when pressure is 0.87 - 1.0 psi (5.37 - 6.87 kPa).
6. If valve does not operate as described, replace it.