TM 9-2350-256-10
Table 3-1. Troubleshooting Procedures-Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
GRENADE SYSTEM-Continued.
Step 4.
Check solenoid valves.
With engine running, have someone turn smoke
generating system switch ON and OFF. Feel solenoid
valves to determine if they activate. Notify unit
maintenance of any apparent solenoid malfunction.
Step 5.
Check for voltage at solenoid valves.
Notify unit maintenance of any lack of voltage.
Step 6.
Check ground connection.
Repair as necessary.
Step 7.
Check for plugged, pinched, or damaged fuel tube assemblies.
Notify unit maintenance.
Step 8.
Check for restricted fuel tube adapters in engine exhaust pipe.
Notify unit maintenance.
58.
SMOKE PRODUCED IS OF POOR QUALITY OR QUANTITY.
Step 1.
Check for fuel leaking from hull drains or mixed with cooling air.
Repair ruptured fuel hose or loose connection. Notify
unit maintenance.
Step 2.
Check for plugged, pinched, or damaged fuel tube assemblies.
Notify unit maintenance.
Step 3.
Check engine fuel filters.
Replace as necessary. Notify unit maintenance.
Step 4.
Check for restricted fuel tube adapters in engine exhaust pipe.
Notify unit maintenance.
59.
VEHICLE SMOKES WHEN GENERATING SYSTEM IS NOT ACTIVATED.
Step 1.
Check for voltage at solenoid valves.
If voltage is indicated, check wiring harness and
bulkhead connectors for short circuit. Notify unit
maintenance.
Step 2.
Check solenoid valves.
Replace solenoid valves if they do not shut off fuel flow.
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