CHECK VALVE

21-26-41-000-001-A [10]
Removal of the Check Valve
21-26-41-000-002-A [10]
Removal of the Air Extraction Duct
21-26-41-210-001-A [10]
Detailed Inspection of Check Valve Flappers for Condition and Operation
21-26-41-400-001-A [10]
Installation of the Check Valve
21-26-41-400-002-A [10]
Installation of the Air Extraction Duct