CHAPTER 8
CARRIER ENGINE REPAIR INSTRUCTIONS
Section I. CARRIER ENGINE CARBURETOR ASSEMBLY
b. Disassembly. Disassemble the carrier engine
202. General
carburetor assembly in numerical sequence as illustrated
The carrier carburetor assembly is mounted on the
on figure 51.
intake manifold on the right side of the carrier engine.
The carburetor is a down-draft-type duplex carburetor
204. Carrier Engine Carburetor Assembly
with a concentric float bowl design. This design assists
in the proper metering of air and fuel to the engine,
Cleaning, Inspection, and Repair
without flooding, when the vehicle is operated on
a. Cleaning. Clean all parts with an approved
extreme angles. It is a sealed and balanced carburetor
cleaning solvent and dry thoroughly.
as all the air for fuel bowl chamber ventilation and idling
b. Inspection and Repair. Inspect all parts for
must come through the air cleaner. The two venturi,
excessive wear and damage. Replace or repair all
each with a cast-in secondary venturi, are used to aid in
defective parts.
the complete vaporization of the fuel. The power jet and
accelerator pump systems are operated by engine
205. Carrier Engine Carburetor Assembly
vacuum and are completely protected from dirt.
Reassembly and Installation
a. Reassembly. Reassemble the carrier engine
203. Carrier Engine Carburetor Assembly
carburetor in the reverse of the numerical sequence as
Removal and Disassembly
illustrated on figure 51.
a. Removal. Remove the carrier engine carburetor
b. Installation. Install the carrier engine carburetor
assembly (TM 5-3810-207-20).
assembly (TM 5-3810-207-20).
Section II. CARRIER ENGINE SPEED GOVERNOR ASSEMBLY
arrangement. A spring retained with an adjusting screw
206. General
pushes against the opposite side of the collar so that the
The carrier engine speed governor is driven by a
throttle is not limited or closed unless the engine speed
flexible cable from the auxiliary drive shaft and contains
exceeds a predetermined safe operating maximum.
four balanced weights. A shaft and spider assembly,
which supports the four weights is turned at Y2 the
207. Carrier Engine Speed Governor
speed of the engine camshaft. As the carrier engine runs
faster, the spider shaft and weights are revolved faster
Assembly Removal and Disassembly
with the resulting centrifugal force adding upward thrust
a. Removal. Remove the carrier engine speed
against a sleeve and collar. The collar actuates the
governor assembly (TM 5810-207-20).
throttle shaft through a bellcrank, spring, and bushing
TAGO 5030A
100
