TM 5-2420-231-23-1
0017
Table 1. Engine Has Low Power or Does Not Respond to Throttle Pedal - Continued.
017
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Open the low-pressure fuel pump
Engine Has Low Power or
purge valve (Figure 3, Item 2) on
Does Not Respond to
fuel filter housing (Figure 3,
Throttle Pedal - Continued
Item 1).
9. Prime the low-pressure fuel pump
No Air in Fuel System - Close purge
(Figure 3, Item 4) by slowly actuat-
valve (Figure 3, Item 2).
ing the prime pump lever (Figure 3,
Proceed to step 10.
Item 3) until all the air is purged
Air Remains in Fuel System - Close
from fuel system.
purge valve (Figure 3, Item 2) and
replace low-pressure fuel pump
(WP 0149).
Proceed to Test Step 5.
Air Purged From Fuel System -
Proceed to Test Step 5.
Figure 3. Low-Pressure Fuel Pump and Purge Valve.
0017
10. Turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
