0008
TM 1-1740-221-13&P&P
ENGINE TROUBLESHOOTING - (CONTINUED)
CONDITION/INDICATION
Is fuel contaminated?
DECISION
YES Remove contamination, replace ilters and bleed air from fuel lines (WP 0065).
NO Proceed to Step 3.
BRANCH 3.
3.
Inspect engine air ilter for damage, dirty or clogged condition (WP 0072).
CONDITION/INDICATION
Is ilter dirty or clogged?
DECISION
YES Replace ilter assembly (WP 0070).
NO Proceed to Step 4.
BRANCH 4.
4.
Remove fuel solenoid electrical connector. Place ignition switch in the run position and check for 12 volts at
wire 50 of the fuel solenoid connector (WP 0066).
CONDITION/INDICATION
Is 12 volts present?
DECISION
YES Proceed to Step 5.
BRANCH 5.
5.
Perform fuel solenoid ohms/rod movement test (WP 0066).
CONDITION/INDICATION
Did the fuel solenoid test satisfactory?
DECISION
YES Proceed to Step 6.
NO Replace faulty fuel solenoid (WP 0066).
BRANCH 6.
6.
Test mechanical fuel pump (WP 0067).
CONDITION/INDICATION
Did the fuel pump test satisfactorily (fuel present)?
00084
