Section IV. UNIT TROUBLESHOOTING PROCEDURES

TM 5-5430-226-12

Section IV. UNIT TROUBLESHOOTING PROCEDURES

Page

Introduction ................................................................................................................................... 4-5

Troubleshooting ............................................................................................................................ 4-5

4-9. INTRODUCTION.

a. Table 3-1 lists the common malfunctions which you may find during operation or maintenance of the 20K or 50K

Gallon Collapsible Fabric Tanks or its components. You should perform the tests/inspection and corrective

actions in the order listed.

b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a

malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.

4-10. TROUBLESHOOTING.

Refer to Table 4-1.

Table 4-1. Unit Troubleshooting

WARNING

Be sure to read ALL Warnings in front of manual before troubleshooting.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. DRAIN HOSE ASSEMBLY LEAKS.

Step 1. Inspect drain control valve stem packing for leakage.

Replace drain control valve (para. 4-17).

Step 2. Shut off drain control valve. Water should not leak through valve.

Replace drain control valve (para. 4-17).

Step 3. Inspect drain hose assembly for cuts, tears, and punctures.

If drain hose is damaged, replace hose assembly (para. 4-17).

Step 4. On tanks manufactured by Amfuel Company, inspect cam-lock couplings for cracks, broken

locking arms, and damaged or missing coupling gaskets. Replace coupling or coupling gaskets

Step 5. On tanks manufactured by Amfuel Company, check for missing dust cap or dust plug.

Replace if needed (para. 4-17).

4-5