TM 5-3895-385-23-1
0103
Table 1. Hopper Wings Fail to Close Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Hydraulic solenoid malfunction.
1. Attempt manual override test of
1. If hopper wings close, turn
side wing up hydraulic solenoid
keyless engine switch to the
on main manifold (WP 0312, Vol
OFF position and replace side
2).
wing hydraulic solenoid (WP
0312, Vol 2).
2. If hopper wings do not close,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and proceed to next
test.
2. Attach hydraulic pressure tester
(WP 0442, Vol 3) to hydraulic
pressure at hydraulic connection
point SWA on the main hydraulic
manifold (WP 0441, Vol 3,
Figure 3, Item 15).
3. Start BMPM engine (TM 5-3895-
385-10).
4. Check hydraulic pressure at
1. If hydraulic pressure reads a
hydraulic connection point SWA
minimum of 1800 psi (12,410
on the main hydraulic manifold
kPa), turn keyless engine switch
(WP 0441, Vol 3, Figure 3, Item
to the OFF position (TM 5-3895-
15) while pressing hopper wing
385-10), restore to original
in key on pedestal top.
condition, and proceed to next
malfunction.
2. If pressure reads below 1800 psi
(12,410 kPa), turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and replace side wing hydraulic
solenoid (WP 0312, Vol 2).
5. Loss of hydraulic pressure.
1. Determine which hopper wing
hydraulic cylinder is
malfunctioning by attempting to
close hopper wings and
observing which side does not
close properly.
0103-4