TM 5-3895-385-23-1
0153
Table 1. Screed Crown Fails to Valley Troubleshooting Procedures -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Check fault screen for RIGHT
1. If fault is found, proceed to WP
SCREED AUG/CONV KEYPAD
fault.
2. If no fault is found, proceed to
next test.
6. Check fault screen for LEFT
1. If fault is found, proceed to WP
SCREED AUG/CONV KEYPAD
fault.
2. If no fault is found, turn keyless
engine switch to the OFF
position (TM 5-3895-385-10),
and proceed to next malfunction.
2. Screed crown changes missing
Check screed crown drive chain
1. If is found or chains are missing,
or damaged.
and screed crown roller chain for
replace damaged chains (WP
damage that would impair operation
0252, Vol 2 and WP 0253, Vol
(WP 0450, Vol 3, Figure 1).
2).
2. If no damage is found, proceed
to next malfunction.
3. Screed crown motor leak.
Check screed crown motor for leaks
1. If leaks are found, replace
(WP 0256, Vol 2).
screed crown motor (WP 0256,
Vol 2), and restore BMPM to
original condition.
2. If no leaks or damage is found,
proceed to next malfunction.
4. Screed crown motor hydraulic
Check all hydraulic hoses from main
1. If leaks or damage is found,
hose leak.
hydraulic manifold to screed crown
replace damaged hydraulic
motor for leaks or pinched hoses
hose (WP 0287, Vol 2 and WP
(WP 0287, Vol 2 and WP 0289, Vol
0289, Vol 2).
2).
2. If no leaks or damage is found,
proceed to next malfunction.
5. 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.
0153-2
