Checking Float Level

TM 5-4240-501-14&P Checking Float Level With body gasket in place on upper body and float valve and float installed, the float should be parallel to the body mounting surface. Fig. 81. If not, bend tang on float until they are parallel. DO NOT PRESS ON FLOAT. Fig. 81. Fig. 81 - Checking Float Level Repair Carburetor Use new parts where necessary. Always use new gaskets. Carburetor repair kits are available. See illustrated parts list for particular model. If throttle shaft and/or venturi has been removed, install throttle and throttle shaft first. Then install venturi. Now install jet on small one piece or nozzle on large one piece Flo-Jet. The nozzle or jet holds the venturi in place, Fig. 76. Replace choke shaft and valve. Install new welch plug using sealer around edge of plug. Stake plug in two (2) places. Sealer is to prevent entry of dirt into engine. Install float bowl, idle and high speed adjustment needles. Initial Adjustments On small one piece Flo-Jets, turn in idle and high speed needles until they just bottom. Open high speed needle 21/2 turns and idle needle 11/ 2turns on large one piece Flo-Jets, turn both idle and high speed needles in until they just bottom. Then turn both valves 11/2 turns open. CARBURETION One Piece Flo-Jet These settings will allow the engine to start. Final adjustment should be made when engine is running and has warmed up. See carburetor adjustment. (Two piece Flo-Jet carburetor.) Choke-A-Matic Remote Control Adjustment On Choke-A-Matic carburetors, the remote control must be correctly adjusted in order to obtain proper operation of the choke and stop switch. See Section 4 for illustrations by engine model. TWO-PIECE FLO-JET CARBURETOR SMALL, MEDIUM AND LARGE FLO-JET Fig. 82 - Small Flo-Jet Fig. 83 - Medium Flo-Jet Fig. 84 - Large Flo-Jet 23