TM 9-2320-366-20-4
(19) Connect air hose (10) to 90-degree fitting (6).
(20) Connect air hose (11) to 45-degree fitting (7).
(21) Connect air hose (12) to fitting (8).
g. Follow-On Maintenance.
(1) Start engine (TM 9-2320-366-10-1).
(2) Check pressure protection valve for air leaks.
(3) Shut down engine (TM 9-2320-366-10-1).
End of Task.