TM 5432021815
(5) Remove the two cap screws and lock-
b. Removal (fig. 9).
washers (4) that secure the fuel pump
(1) Remove the engine housing canopy
and partition plate,
(8) to hte adapter (5); remove the
fuel pump (8) and gasket.
(2) Remove the fuel strainer (par. 53b).
(6) Remove the two Allen-head screws
(3) Disconnect the primer control from
(6) and lockwashers that secure the
the priming lever (7).
adapter to the crankcase. Lift away
(4) Disconnect the fuel line (1) from the
the adapter (5), and cover the plung-
carburetor and fuel pump; cap the
er hole in the crankcase.
carburetor fitting. Be sure that no
c. Cleaning and inspection.
dirt-or other foreign matter enters the
fuel system.
(1) Clean all parts in an approved sol-
vent; dry thoroughly.
(2) Examine each part for evidence of
cracks, breaks, or other visible dam-
age.
(3) Inspect the fittings and be sure that
the fuel lines are not damaged when
the fuel pump or adapter is removed
or installed.
d. Installation.
(1) Remove the seal from the hole in the
crankcase; position the fuel-pump
adapter and its gasket, and secure
with the two Allen-head screws and
lockwashers.
(2) Place a new gasket between the fuel
pump and adapter; secure the fuel
pump to the adapter with two cap
screws and lockwashers.
(3) Remove the seal from the carburetor
fitting and connect the fuel line to
the carburetor and fuel pump.
(4) Install the fuel shutoff valve and fuel
strainer (par. 53d).
(5) Install the engine housing canopy and
partition plate.
(6) Run the engine for a short time and
check for leaks; tighten any loose con-
nections.
55. Fuel Lines
a. Removal (fig. 12).
-
(1) Place a clean container underneath
the fuel tank (8), and open the drain
cock (12) ; drain all the fuel into the
container.
(2) Loosen the compression nut (6), and
remove the fuel line (7) from the fuel
tank connection; remove the inverted
male elbow (5).
Figure 11. Fuel