all badly worn or damaged parts. Replace
300. Crane Engine Carburetor Assembly Removal
the gasket and seal.
and Disassembly
(2)
Inspect the fuel valve and seat for scoring,
pits, and excessive wear. If damaged or
b. Disassembly. Disassemble the carburetor in the
worn, replace as a set.
numerical sequence as illustrated on figure 180.
302. Crane Engine Carburetor Assembly Reassembly
301. Crane Engine Carburetor Assembly Cleaning,
and Installation
Inspection and Repair
a. Reassembly. Reassemble the carburetor in the
a. Cleaning.
Clean all parts with an approved
reverse of the numerical sequence as illustrated on figure
cleaning solvent.
b. Inspection and Repair.
(1)
Inspect all parts for cracks, bends, warpage,
excessive wear, or other damage. Replace
Section V. CRANE ENGINE GOVERNOR ASSEMBLY
305.
Crane Engine Governor Assembly Cleaning,
303. General
Inspection, and Repair
The crane engine governor assembly is a centrifugal,
flyball-type.
With this type of governor, it is the
a. Cleaning.
Clean all parts with an approved
interaction of the two forces employed that achieves the
cleaning solvent.
regulation desired. The first is the centrifugal force
b. Inspection and Repair.
developing in the balls inside the governor. This force is
(1)
Inspect all parts for excessive wear and
transferred to the carburetor throttle controls, tending to
other damage. Replace defective parts.
close the throttle as the speed of he engine increases.
Replace all gaskets.
The second force is exerted by the governor spring and
tends to hold the throttle wide open position. When these
(2)
Inspect the ball driver on the governor shaft
two forces are in balance, the engine is operating at the
for possible need of replacement.
If
pre-set governor speed.
needed, heat the driver to remove brazing,
and press the driver from the-shaft. Press
304. Crane Engine Governor Assembly Removal and
a new driver on the shaft and secure it by
Disassembly
brazing.
a. Removal. Remove the crane engine governor
306. Crane Engine Governor Assembly, Reassembly
assembly from the engine (para. 94).
and Installation
b. Disassembly. Disassemble the crane engine
a. Reassembly.
Reassemble the crane engine
governor assembly in the numerical sequence as
governor assembly in the reverse of the numerical
illustrated on figure 181.
sequence as illustrated on figure 181.
b. Installation. Install the crane engine governor
assembly on the engine (para. 94).
AGO 6819A
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