TM 5-3805-294-23-1
0131
Table 1. Low-Pressure Fuel Supply System Test - Continued.
Test or Inspection
Corrective Action
Malfunction
2.
Perform Fuel Supply Pressure
1.
If fuel pressure is 4.4 psi (30
kPa) or above, proceed to
Test. (Volume 3, WP 0343)
Malfunction 29.
2.
If fuel pressure is not 4.4 psi
(30 kPa) or above, proceed to
Malfunction 26.
Perform Temporary Fuel
1.
If fuel pressure is 4.4 psi (30
26.
Temporary Fuel
Supply Test. (Volume 3,
kPa) or above, proceed to
Supply Test.
Malfunction 27.
WP 0374)
2.
If fuel pressure is not 4.4 psi
(30 kPa) or above, proceed to
Malfunction 28.
Visually inspect fuel hoses
1.
If damaged, replace hoses.
27.
between primary fuel filter and
Between Primary
(Volume 3, WP 0481) Restore
fuel tank for damage. (Volume
Fuel Filter and Fuel
machine to original condition.
Tank Damaged.
3, WP 0481)
2.
If not damaged, proceed to
Malfunction 28.
1.
Replace electric fuel transfer
28.
Fuel Supply
pump/primary fuel filter head.
Pressure Below
Specification.
(Volume 3, WP 0441)
2.
Perform Fuel Supply Pressure
1.
If fuel pressure is 4.4 psi (30
kPa) or above, proceed to
Test. (Volume 3, WP 0343)
Malfunction 29.
If fuel pressure is not 4.4 psi
2.
(30 kPa) or above, install fuel
transfer pump pressure
sensor. (Volume 3, WP 0431)
It is possible that another fault
exists or that another
troubleshooting procedure
applies. If this was the first time
through this procedure, restart
procedure at Malfunction 1.
1.
Remove fuel hose between
29.
Fuel Hose Between
final fuel filter and high-
Final Fuel Filter and
pressure fuel pump. (Volume
High-Pressure
Pump Inlet
3, WP 0481)
Restricted.
0131-10