TM 10-4930-351-14
0013 00
Table 1. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TRICON CONTAINER
1. Documents in TRICON are damaged.
Step 1. Inspect document holder for any apparent damages.
Replace damaged document holder (WP 0084 00)
Step 2. Check document holder for proper operation
Replace defective document holder (WP 0084 00).
2. Cargo is damaged by weather.
Inspect seals along door edges for signs of wear or deterioration.
Replace damaged seal (WP 0085 00).
PRESSURE CONTROL
1. Pressure Control coupling halves leak.
Inspect for damaged or missing gasket.
Install a serviceable gasket (WP 0083 00).
2. Fuel appears on Pressure Control body between two main castings
Step 1. Inspect for broken pilot valve bellows assembly.
Install a serviceable valve (WP 0083 00).
Step 2. Inspect for damaged preformed packing in pilot valve.
Install a serviceable preformed packing (WP 0083 00).
Step 3. Inspect for damaged venturi preformed packing.
Install a serviceable venturi preformed packing (WP 0083 00).
Step 4. Inspect venturi throat for damage.
Install a serviceable venturi (WP 0083 00).
3. Diaphragm Valve fails.
Step 1. Inspect for ruptured diaphragm.
Install a serviceable diaphragm (WP 0083 00).
Step 2. Inspect for compression ring damage.
Install a serviceable compression ring (WP 0083 00).
4. Pressure Control shuts off prematurely or too late.
Check pilot valve adjustment.
Adjust pilot valve (WP 0083 00).
0013 00-8
