Fig. 20 - Removing Fuel Tank Assembly

TM 5-4240-501-148P CARBURETION Pulsa-Jet, Vacu-Jet Fig. 20 - Removing Fuel Tank Assembly Removing Carburetor, Model Series 82000 and 92000 Choke-A-Matic Remove screws holding carburetor on tank body. Then lift carburetor straight up. Remove pump spring, spring cup and diaphragm. Removing Carburetor, Model Series 92000, 94000, 110900 and 111900, Automatic Choke Remove screws holding carburetor on tank body. On Model Series 110900 and 111900 a mounting screw is located under the choke valve. To gain access to the screw, open the choke valve completely. Use a #2 Phillips 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 Valve Carburetor Repair Pulsa-Jet, Vacu-Jet Zinc Carburetor Body Remove and discard "0" ring. Remove and inspect needle valve, packing and seat. Metering holes in carburetor body should be cleaned with solvent and compressed air. Do not alter size of holes. See Fig. 22. Always remove all nylon and rubber parts if carburetor is soaked in solvent. Fig. 22 - Metering Holes an "O" Ring Minion Carburetor Body Remove and discard "O" ring. Remove needle and seat assembly by backing out mixture adjusting needle about 4 to 5 turns counterclockwise. Then pull needle and seat assembly out. Remove inner "0" ring. Metering holes in carburetor body should be cleaned with solvent and compressed air. CAUTION : Commercial carburetor cleaners will soften or dissolve Minion bodies, if left in for long periods of time. DO NOT EXCEED 15 MINUTES. DO NOT ALTER SIZE OF METERING HOLES, Fig. 23. Fig. 23 - Metering Holes Always remove all nylon and rubber parts if carburetor is cleaned in solvent. 9