TM 5-5420-226-20-2
PURGE FUEL SYSTEM (Sheet 1 of 2)
7/16 in. combination box and open end wrench
TOOLS:
Flashlight
PERSONNEL: TW O
REFERENCE: TM 5-5420-226-10
PRELIMINARY PROCEDURE: Remove upper engine access cover (page 17-14)
Using wrench and flashlight,
1.
reach through access and
loosen fuel filter bleed cap (A).
2.
Set FUEL PUMP switch to ON
Set MASTER BATTERY switch to ON
3.
NOTE
If no air bubbles are observed in step 4,
go to step 7.
Observe for air release bubbles from bleed cap (A).
4.
5.
Set MASTER BATTERY switch to OFF (TM 5-5420-226-10).
Wait approximately 1 minute, then repeat steps 3 and 4 until a constant fuel flow is
6.
observed from bleed cap (A).
TA107669
Go on to Sheet 2