TM 5-3895-373-20
2.23.11. ENGINE AND SCREED FUEL SYSTEM BLEED - Continued.
A.
BLEED ENGINE FUEL SYSTEM.
WARNING
Fuel is very flammable and can
explode easily. To avoid serious
injury or death:
Always wear safety glasses/goggles
at all times.
Keep fuel away from open flame or
any spark (ignition source).
Keep at least a B-C fire extinguisher
within easy reach when working with
fuel or on a fuel system.
Do not work on fuel system when
engine is hot; fuel can be ignited by a
hot engine.
Post signs that read "NO SMOKING
WITHIN 50 FEET" when working with
open fuel lines or fuel tanks.
1.
LOOSEN FLUID PASSAGE BOLT (1) ON
ENGINE FUEL FILTER (2).
NOTE
If the priming lever will not operate,
the fuel lift pump lobe on the cam is
at top dead center. Rotate the engine
by turning radiator fan to move the
lobe of the cam from top dead center.
2.
OPERATE PRIMING LEVER (3) ON FUEL
LIFT PUMP WHILE OBSERVING FUEL FLOW
AT
FLUID
PASSAGE
BOLT
(1).
USE
MACHINERY WIPING TOWELS TO CATCH
EXCESS FUEL DURING BLEEDING. WHEN
FUEL FLOW CONTAINS NO AIR, TIGHTEN
FLUID
PASSAGE
BOLT
AND
STOP
OPERATING PRIMING LEVER.
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