TM 5-2420-231-23-1
0017
Table 1. Engine Has Low Power or Does Not Respond to Throttle Pedal.
0017
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 1. Inspect Low-Pressure
Engine Has Low Power or
Fuel System and Verify Air Filter
Does Not Respond to
Restriction Indicator Status.
Throttle Pedal
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10).
2. Position drain pan under machine.
3. Open water separator drain valve
No Water Present - Close water
(Figure 1, Item 2) on fuel filter (Fig-
separator drain valve (Figure 1, Item 2).
ure 1, Item 1) and drain fuel into
Proceed to step 7.
drain pan until all water is drained
Water Present - Proceed to step 4.
from fuel filter (Figure 1, Item 1).
4. Start and idle engine for approxi-
mately 2 minutes (TM 5-2420-231-
10).
5. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10).
6. Open water separator drain valve
No Water Present - Close water
(Figure 1, Item 2) and drain fuel
separator drain valve (Figure 1, Item 2).
into drain pan until all water is
Proceed to step 7.
removed from fuel filter (Figure 1,
Water Present - Close water separator
Item 1).
drain valve (Figure 1, Item 2). Drain fuel
from fuel tank and ensure all water is
removed from fuel tank (WP 0136).
Replace fuel filter (WP 0147).
Proceed to Test Step 5.
Figure 1. Fuel Filter and Water Separator Drain Valve.
0017