TM 5-3800-205-23-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0007 00
Table 11. Water Distributor Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Lower Spray Bar Will Not Discharge.
NOTE
Refer to component locator for butterfly valve assemblies (TM 5-3800-205-23-3) and get assistance to
check valve indicator position.
Check that indicator on gravity
If red indicator is in horizontal
spray valve is horizontal to
position and problem still exists,
manifold assembly.
replace gravity spray valve (TM
5-3800-205-23-3).
2. Lower Spray Bar Will Not Gravity
Discharge.
NOTE
Refer to component locator for butterfly valve assemblies (TM 5-3800-205-23-3) and get assistance to
check valve indicator position.
If red indicator is in horizontal
1. Check that indicator on
position and problem still exists,
pressure gravity valve is
go to test step 2.
horizontal
to
manifold
assembly.
2. Check
for
loose
air
If connections are okay and
connections at pressure
problem still exists, replace
gravity valve.
pressure gravity valve (TM 5-
3800-205-23-3).
3. No Pressure Discharge From Lower Spray
1. Check that PUMP switch is
If switches are in proper position
Bar.
ON
and
PRESSURE
and problem still exists, go to
GRAVITY switch is OFF.
test step 2.
2. Check that pump control lever
If control lever is in proper
(elevator control lever) is in
position and problem still exists,
pump on, slow/fast position.
notify DS Maintenance to
replace pump.
3. Check
for
loose
air
a. If connections are okay and
connections at air valve.
problem still exists, replace
pressure gravity valve (TM 5-
3800-205-23-3).
b. If problem still exists, go to
test step 4.
4. Perform Main Control Valve
a. Adjust relief valve setting
b. If problem still exists, after
adjustment,
notify
DS
Maintenance to replace main
control valve.