TM 5-2420-231-23-1
0010
Table 1. Engine Cranks but Does Not Run - Continued.
010
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine Cranks but Does Not
Test Step 3. Prime Low-Pressure
Run - Continued
Fuel System.
1. Open the low-pressure fuel pump
purge valve (Figure 3, Item 2) on
the fuel filter housing (Figure 3,
Item 1).
2. Prime the low-pressure fuel pump
Air Purged - Proceed to Test Step 8.
(Figure 3, Item 4) by slowly actuat-
Air Remains in Fuel System - Close
ing the prime pump lever (Figure 3,
purge valve (Figure 3, Item 2), and
Item 3) until all the air is purged
replace low-pressure fuel pump (WP
from fuel system. No bubbles
0149).
should be present.
Proceed to step 3.
No Air in Fuel System - Close purge
valve (Figure 3, Item 2), and replace fuel
filter (WP 0147).
Proceed to step 3.
Figure 3. Low-Pressure Fuel Pump and Purge Valve.
0010
