This instruction show you guide on how to perform crankcase pressure test for New Holland CX8080 combine.
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Remove the engine oil dipstick from the crankcase
Construct a fitting to adapt a water manometer to the dipstick tube. You will need:
(1) 1/2” NPT female pipe tee
(2) 5/8” Hb x 1/2” NPT male beaded hose barb fitting
(3) 1/2” x 1/4” NPT pipe reducer
(4) 5/16” Hb x 1/4” NPT male hose barb fitting
(5) 1/2” NPT hollow hex pipe plug
Assemble the fittings as shown.
Connect a short section of hose between the dipstick tube and the 5/8” Hb x 1/2” NPT male beaded hose barb fitting (2).
Connect the water manometer to the 5/16” Hb x 1/4” NPT male hose barb fitting (4).
Run the engine until the coolant temperature is approximately 84 °C (183 °F)
Record the values measured with the water manometer at each interval listed below. Values should not exceed 30.59 cm H₂O (12.04 in H₂O).
High idle (rated speed)
More repair cases for New Holland machine,please refer to:New Holland Trouble Repair
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