TM 10-4930-220-13&P
Section II. OPERATOR TROUBLESHOOTING
3-3. General.
a.
The section contains troubleshooting information for locating and correcting most of the operating prob-
lems which may develop in the tank unit, Each malfunction for an individual component, unit, or system is followed
by a list of tests or inspections which will help you to determine probable causes and corrective actions to take. You
should perform the tests, inspections and corrective actions in the order listed.
b. This manual cannot list all the malfunctions that might occur, nor all the tests, or inspections and correc-
tive actions. If a malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
3-4. Troubleshooting Tables.
Table 3-1. OPERATOR TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. PRODUCT DISCHARGE IS NOT CLEAN.
step 1.
Check strainer in nozzle for contamination.
Clean nozzle strainer.
Step 2.
Check liquid in tank for contamination.
Drain a portion of the liquid to remove contaminant in bottom of tank.
2. FLOW OF PRODUCT SLOWS DOWN DURING OPERATION.
Check for leak in hose or connections.
Tighten connection or replace hose.
3. PRODUCT LEVEL IN TANK DROPS BEFORE OPERATION.
Step 1.
Check drain valve or drain plug for leak,
Tighten the drain valve control handle or drain plug.
Step 2.
Check emergency dump valve for leak.
Turn control lever to completely closed position.
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