TM 9--2350--292--20--1
0097 00--23
BOOM FAILS TO OPERATE OR OPERATES ROUGHLY -- CONTINUED
0097 00
1. Record pressures at boom shutoff valve port A
and boom shutoff valve PILOT port.
2. Shut down hydraulics and main engine
(TM 9--2350--292--10).
CONTINUED FROM STEP AP
AQ
Is pressure at port BSI 0 psi?
no
yes
Go to Step AT.
AR
Is pressure at PILOT port 0 psi?
no
yes
Go to Step AS.
Is pressure at port BSO 0 psi?
yes
no
Notify Direct Support
Maintenance.
CONTINUED ON NEXT PAGE
Record pressures at boom safety valve port BSO
and boom safety valve port BSI.