Evaporative Check Valve: Testing and Inspection

Fig. 32 Testing check & cut valve.:

1. Remove check and cut valve.
2. Connect suitable pressure gauge to passage of fuel tank.
3. Blow through valve from (A), Fig. 32. Valve should open with pressure of .78-1 psi on 1988 B2200, or .14-.71 psi on all other models.
4. Remove pressure gage and connect it to passage to atmosphere.
5. Apply pressure through valve from B and if valve opens when pressure is .14-.71 psi on B2200 models, or .78-1 on B2600, RX-7 and 929 models, valve is satisfactory. This test must be performed with valve positioned horizontally.