TM 5-3810-288-12
Figure 7-14. Fuel lines and fittings, replacement and repair.
e. Sediment Bowl.
it appear that the carburetor needs adjustment. All of
these items must be checked before adjusting the
carburetor. Remove the access cover in the operator's
the sediment bowl as follows:
cab by turning the screws a quarter turn and remove the
(a) Disconnect the fuel lines as shown.
access cover as shown in figure 7-15. Refer to figure 7-
(b) Remove nut.
the sediment bowl as follows:
carburetor as follows:
(a) Position sediment bowl as shown and install
(a) Loosen the hose clamp and slide the hose
nut.
off the carburetor air intake. Remove the screw and nut
(b) Reconnect fuel lines.
which hold the clamp on the throttle cable. Remove the
f. Carburetor.
nut on the end of the accelerator linkage and remove the
(1) Adjustment. Carburetor adjustments must not
accelerator linkage and throttle cable from the
be made before reading the following explanation. The
carburetor.
carburetor mounting flange must be firmly mounted. The
(b) Disconnect the fuel line from the carburetor.
flange gasket must not leak. If a flange nut is loose, air
Remove the cotter pin and pin from the governor linkage,
will enter at the flange leak to completely alter engine
and remove the governor linkage.
performance. An adjustment under these circumstances
(c) Remove the nuts and washers which hold
can not be done properly. Also, the fuel tank must be
the carburetor to the intake manifold.
suspected as a cause of trouble before adjusting the
carburetor. An unusual amount of fuel contamination
the carburetor as follows:
may partly block the tank outlet or fuel lines, causing the
(a) Install a new intake manifold gasket, on the
carburetor to be starved for fuel.
Under these
intake manifold. Place the carburetor on the intake
circumstances, the fuel tank must be drained and
cleaned (para 7-15) before adjusting the carburetor. If
manifold and install the washers and nuts.
(b) Connect the governor linkage to the
the air cleaner oil is not clean, is of the wrong type, or is
filled too full,
it will restrict air flow to the carburetor, making
7-16
