TM 5-4240-501-148P
CARBURETION
Pulsa-Jet. Vacu-Jet
Removing Nylon Choke and Shaft
Choke-A-Matic, Model Series 82000 and 92000
To remove choke parts, first disconnect choke return
spring, Fig. 24. Then pull nylon choke shaft sideways to
separate choke shaft from choke valve. If choke valve is
heat-sealed to choke shaft, loosen by sliding sharp
pointed tool along edge of choke shaft. Do not reseal
parts on assembly. When replacing choke valve and
shaft, install choke valve so poppet valve spring is visible
when valve is in full choke position on carburetors using
poppet valve, Fig. 25.
Fig. 24 - Choke Shaft and Valve - Choke-A-Matic
Fig. 25 - Poppet Valve
Automatic Choke, Model Series 92000, 94000, 110900
and 111900
To remove choke parts, first remove automatic choke
link cover. Then slide choke link out choke shaft lever.
Pull shaft out of valve, Fig. 26.
Fig. 26 - Removing Automatic Choke
Replacing Fuel Pipes, Zinc Carburetors Model Series
82000, 92000, 110900 and 111900
Nylon fuel pipe is threaded into carburetor body. To
remove and replace, use socket as shown in Fig. 27. Do
not over-torque. No sealer is required.
Fig. 27 - Replacing Nylon Fuel Pipe.,
Zinc Carburetor
Replacing Fuel Pipe, Minion Carburetor Model Series
92500 and 94500
The fuel pipe on Minion carburetors is of the snap-in
design. The pipe may snap in and out with considerable
force. Fig. 28.
Fig. 28 - Replacing Fuel Pipe, Minion Carburetor
Inspection and Repair
Check all parts for wear and replace as needed.
Examine fuel pipe screens for gum deposits and dirt.
Replace if dirty. Replace diaphragm if worn, torn,
punctured or stiff. Inspect mixture adjustment needle,
Fig. 29, and replace if damaged.
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