Troubleshooting Nurse Arm

SymptomProblemSolution

Nurse arm does not fall away.

Binding between couplers.

Verify air relief valve and vent coupler is clear.
 

Too large of approach angle.

Adjust approach angle as needed.
 

Debris between coupler joints.

Clean coupler inlet and suction side of valve area.
 

Air seal not deflating.

Check valve and hoses.

Verify seal is venting properly.

Solution does not pump.

Suction-side valve is closed or mechanical problem.

Open suction-side valve.
 

Debris caught in coupler.

Remove debris from coupler or line.

Coupler does not lock.

Debris on poppet or coupler prevent full engagement of couplers.

Remove debris.
 

Air seal does not inflate.

Check air supply to seal.

Poppet does not close.

Debris build up around poppet.

Clean poppet area.
 

Poppet return spring not functioning.

Check spring function.
 

Nurse vehicle pump running with suction open to nurse coupler line causing poppet to open.

Close valve from coupler to nurse vehicle pump.

Poppet leaks.

O-ring damaged, missing, or not seated properly.

Check O-ring.
 

Debris caught in poppet.

Remove debris.

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