FUEL SYSTEM TROUBLESHOOTING
Table 1. Troubleshooting Procedures--Continued.
TEST OR INSPECTION
FUEL DOES NOT FLOW
Verify fuel in tank.
If tank has fuel, go to step 2. If
DURING ANY FILTERED
tank has no fuel, fill tank per WP
0007 00. Verify problem is
Verify all valves are set per
Set valves per schematic on tool
fuel operations schematic.
box lid (refer to WP 0007 00). If
valves are already set per fuel
operations schematic, go to
Open N valve on sump of
If water drains, verify problem is
filter/separator and drain
solved. If no water drains, go to
accumulated water per WP
Check reading of
If reading is in red zone (1825
psi) of gage, notify
gage on engine control
Organizational maintenance to
panel per WP 0040 00.
service filter/separator. If reading
is normal, go to step 5.
Check for improperly
If nozzle is improperly installed,
installed fuel dispensing
reinstall nozzle correctly per WP
0041 00. Verify problem is
solved. If nozzle is satisfactory,
go to step 6.
Check for dirt or debris in
If nozzle screen is clogged, clean
nozzle screen of quick
screen per WP 0041 00. Verify
problem is solved. If nozzle is
clean, notify Organizational
maintenance that further
troubleshooting is required.