TM 9--2350--292--20--10097 00--16BOOM FAILS TO OPERATE OR OPERATES ROUGHLY -- CONTINUED0097 00noyesGo to Step AH.ADIs pressure at PR TEST port 385--470 psi?CONTINUED FROM STEP ACnoyesCONTINUED ON NEXT PAGE1. Record pressure at boom shutoff valve portA, boom shutoff valve PILOT port and PRTEST port of the hydraulic control valvemanifold assembly.2. Shut down hydraulics and main engine(TM 9--2350--292--10).Is pressure at boom shutoff valve pilot port 385--470 psi?Is pressure at port A greater than 0 but less than 60 psi?noyesNotify Direct SupportMaintenance.Notify Direct SupportMaintenance.
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