(1) With aid of assistant, attempt to swing
crane and then telescope boom using
SWING and TELE control levers while
holding BOOM control lever in the UP
position (TM 9-2320-364-10).
(a) If swing and telescope do not
operate, perform Steps (2)
through (4) below and notify DS
(b) If swing and telescope operate,
shuttle valve in four valve bank
center manifold is faulty. Perform
Steps (2) through (4) below and
Notify DS Maintenance.
(2) Set crane power switch to OFF
(3) Set hydraulic selector switch to OFF
(4) Turn OFF ENGINE switch.