Fuel Cut & Check Valves
- Remove check valve. Blow air through port "A" and verify flow through port "B". See Fig 1
. Ensure air does not flow in reverse direction. Replace check valve as necessary.
- Remove cut valve. Place valve in horizontal position. See Fig 1
. Blow air through port "A" and verify flow through port "B". Turn valve and place port "C" in horizontal position. See Fig 1
. Check ball should block outlet. Blow air through port "A" of valve. Ensure air does not flow through port "B". If air flows through port "B", replace cut valve.
Courtesy of MAZDA MOTORS CORP.