TM 5-3895-385-23-1
0134
Table 1. Left Cutoff Fails to Close Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Loss of hydraulic pressure at
1. Check hydraulic hoses from load
1. If leaks or damage is found,
main hydraulic manifold.
sense hydraulic pump to main
replace damaged hydraulic
hydraulic manifold for leaks or
hose (WP 0291, Vol 2).
pinches (WP 0291, Vol 2).
2. If no leaks or damage is found,
proceed to next test.
2. Attach hydraulic pressure tester
(WP 0442, Vol 3) to hydraulic
pressure test port on the main
hydraulic manifold (WP 0449,
Vol 3, Figure 3).
3. Start BMPM engine (TM 5-3895-
385-10).
4. Check hydraulic pressure at
1. If hydraulic pressure reads a
hydraulic pressure test port on
minimum of 1800 pounds per
the main hydraulic manifold
square inch (psi) (12,410
while pressing auger raise key
kiloPascals (kPa)), turn keyless
on pedestal top (TM 5-3895-385-
engine switch to the OFF
10).
position (TM 5-3895-385-10),
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 proceed to WP 0106.
5. Hydraulic solenoid malfunction.
1. Attempt manual override test of
1. If left screed cutoff closes, turn
left cutoff close hydraulic
keyless engine switch to the
solenoid on main manifold (WP
OFF position (TM 5-3895-385-
0312, Vol 2).
10), and replace left cutoff
hydraulic solenoid (WP 0312,
Vol 2).
2. If left screed cutoff does 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 fitting LCB
on the main hydraulic manifold
(WP 0441, Vol 3, Figure 3).
0134-3