TM 5-4240-501-148PCARBURETIONPulsa-Jet, Vacu-JetFig. 20 - Removing Fuel Tank AssemblyRemoving Carburetor, Model Series 82000 and 92000Choke-A-MaticRemove screws holding carburetor on tank body. Thenlift carburetor straight up. Remove pump spring, springcup and diaphragm.Removing Carburetor,Model Series 92000, 94000,110900 and 111900,Automatic ChokeRemove screws holding carburetor on tank body. OnModel Series 110900 and 111900 a mounting screw islocated under the choke valve. To gain access to thescrew, open the choke valve completely. Use a #2Phillips head screwdriver to remove the screw, Fig. 21.Then lift carburetor straight up. Remove pump spring,spring cup and diaphragm.Fig. 21 - Screw Under Choke ValveCarburetor Repair Pulsa-Jet, Vacu-JetZinc Carburetor BodyRemove and discard "0" ring. Remove and inspectneedle valve, packing and seat. Metering holes incarburetor body should be cleaned with solvent andcompressed air. Do not alter size of holes. See Fig. 22.Always remove all nylon and rubber parts if carburetor issoaked in solvent.Fig. 22 - Metering Holes an "O" RingMinion Carburetor BodyRemove and discard "O" ring. Remove needle and seatassembly by backing out mixture adjusting needle about4 to 5 turns counterclockwise. Then pull needle and seatassembly out. Remove inner "0" ring. Metering holes incarburetor body should be cleaned with solvent andcompressed air. CAUTION: Commercial carburetor cleaners will soften or dissolveMinion bodies, if left in for long periods of time. DO NOTEXCEED 15 MINUTES. DO NOT ALTER SIZE OFMETERING HOLES, Fig. 23.Fig. 23 - Metering HolesAlways remove all nylon and rubber parts if carburetor iscleaned in solvent.9
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