TM 5-3895-373-20
4.7. REPAIR OR REPLACE FUEL LINES, FITTINGS, AND HOSES - Continued.
A. REMOVE.
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.
CAUTION
Thoroughly clean hoses and fittings
before disconnecting. Always plug or
cap
off
disconnected
fittings
to
prevent intrusion of contaminants.
Failure to properly clean and cap off
connectors may result in system
contamination
and
equipment
damage.
NOTE
Perform the following procedures
only as needed to replace faulty or
damaged components.
1.
LOWER FUEL LEVEL IN FUEL TANK TO
PREVENT SIPHONING.
a.
Lower fuel tank level below elbow (1) per
paragraph 4 2.23.4.
b.
Place a machinery wiping towel beneath
elbow (1).
c.
Tag and disconnect fuel hose (2) from
elbow (1). Secure the hose above fuel
tank level to prevent siphoning.
2.
REMOVE FUELUWATER SEPARATOR AND
FUEL LIFT PUMP HOSES AND ADAPTERS.
a.
Place a drip pan below the fuel/water
separator.
b.
Tag and disconnect fuel hoses, lines, and
fittings using the illustration and legend as
a guide. Remove hoses or lines first, then
remove fittings.
c.
Cut and remove any tie wraps that are
securing the fuel hoses or lines being
removed.
d.
Drain all residual fuel into a utility pail.
Dispose of fuel in accordance with local
procedures.
e.
Cap or plug exposed fuel system hoses or
fittings
to
prevent
fuel
system
contamination.
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