Inspection

TM 5-4240-501-148P CARBURETION One Piece Flo-Jet Fig. 77 - Nylon Choke Shaft Inspection Reject idle and high speed mixture needles if damaged, Fig. 78. Check float for leakage. If it contains fuel or is crushed, it must be replaced. Replace float needle, if worn. If carburetor leaks with new float needle on carburetors with pressed in float needle seat, refer to next paragraph. Fig. 78 - Mixture Needles Replacing Pressed in Float Valve Seat Use a #93029 self-threading screw or remove one self- threading screw from a #19069 flywheel puller and clamp head of screw in a vise. Turn carburetor body to thread screw into seat. Fig. 80. Continue turning carburetor body drawing seat out. Leave seat fastened to screw. Insert new seat #230996 into carburetor body. (Seat has starting lead.) NOTE: If engine is equipped with a fuel pump, Install #231019 seat. Fig. 79 - Replacing Float Valve Seat Press new seat flush with body using screw and old seat as a driver. See Fig. 79. Use care to insure seat is not pressed below body surface or improper float to float valve contact will occur. Install float needle valve as shown in Fig. 80. Fig. 80 - Float Needle Valve Variations 22