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Check & Cut Valve

  1. Remove check and cut valve from lines. Connect a pressure gauge with "T" on nipple leading to fuel tank. Hold finger over opposite nipple. See Fig 1 .
    Fig 1: Check and Cut Valve Test Make sure valve is held horizontally.
    G34046
  2. Blow through open end of "T" fitting. When pressure gauge reads .78-1.0 psi (.06-.07 kg/cm2 ), valve should open.
  3. Remove "T" fitting and gauge from fuel tank nipple and connect to nipple at bottom of valve (atmosphere vent). Valve should be located horizontally.
  4. Repeat test. Valve should open when pressure gauge reads .14-.71 psi (.01-.05 kg/cm2 ). If valve does not operate as described, replace check and cut valve.
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