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TM 5-4210-233-14&P-1
Table 3-3. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
FOAM DISCHARGE
1
NO FOAM DISCHARGE AT ANY NOZZLE
Step 1. Check if FOAM valve set open.
Set FOAM valve to open.
Step 2. Check it foam METERING VALVE closed.
Set foam METERING VALVE to required percentage (see para 2-13 .).
Step 3. Check if foam tank empty or contents diluted.
Drain tank and/or refill tank as required.
WATER TANK
1
FOAM ENTERING WATER TANK
Check if WATER valve is closed.
Close valve.
FOAM TANK
8
WATER ENTERING FOAM TANK
Check FOAM valve is closed.
Close valve.
3-15
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