16hp cast iron carb leak

Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic

   Took apart and cleaned the updraft carb but still leaks out the bottom. Not sure if float sticking or needle valve not seated? I am leaning more towards the float. Was running fine till almost ran out of gas and problems started with surging and stalling. Back fired once and then I decided to clean the carb. Figures, now have over 12" of snow with more coming and my snow pushing savior won't run. 

	This site is not affiliated with AGCO Inc., Duluth GA., Allis-Chalmers Co., Milwaukee, WI., or any surviving or related corporate entity. All trademarks remain the property of their respective owners. All information presented herein should be considered the result of an un-moderated public forum with no responsibility for its accuracy or usability assumed by the users and sponsors of this site or any corporate entity.
	The Forum	Parts and Services	Unofficial Allis Store	Tractor Shows	Serial Numbers	History

Author	Message Topic Search Topic Options Post Reply Create New Topic Printable Version Translate Topic
mduggan9011 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 28 Jan 2015 Location: wilmington,ma Points: 12	Post Options Post Reply Quote mduggan9011 Report Post Thanks(0) Quote Reply Topic: 16hp cast iron carb leak Posted: 15 Feb 2015 at 6:10am
	Took apart and cleaned the updraft carb but still leaks out the bottom. Not sure if float sticking or needle valve not seated? I am leaning more towards the float. Was running fine till almost ran out of gas and problems started with surging and stalling. Back fired once and then I decided to clean the carb. Figures, now have over 12" of snow with more coming and my snow pushing savior won't run.

Sponsored Links

irlbeck A-C'S Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 28 Sep 2009 Location: Crestview FL. Points: 684	Post Options Post Reply Quote irlbeck A-C'S Report Post Thanks(0) Quote Reply Posted: 15 Feb 2015 at 8:21am
	You are correct that it is the float or the needle not closing. I check the tip of the needle and make sure you don't have any trash in the seat. I blow in the carb then lift the float and see if it stops air flow. After that check that the float is not sticking as it is moving in the bowl. That is what i usually find wrong. Other issues could be float level or a hole in the float if it did the float would have gas in it and sink. Also be careful with the seal on the bowl. The rubber can get rolled out of shape and cause it to leak.
	B,C,CA,(2)WC's,(4)WD's,(2) WD45'S, 45Diesel, (2)D12'S Series 2, D12 Hiclear,(2)D12 Series 3, HD3, D17NF (3)D17 Series 4 Diesels, M-100 Grader,8550,A few Lawn tractors lots of other AC stuff

mduggan9011 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 28 Jan 2015 Location: wilmington,ma Points: 12	Post Options Post Reply Quote mduggan9011 Report Post Thanks(0) Quote Reply Posted: 15 Feb 2015 at 9:05am
	I blew through the feed and no air went through the float leading me to believe it is ok. the main jet seems to be clear and clean. The bowl seems to have a rough texture to the surface. I am going to try to clean it better. I think the float is sticking as it doesn't have any gas in it..i.e. a hole. Getting good at taking off and putting back on..

HudCo Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 29 Jan 2013 Location: Plymouth Utah Points: 3607	Post Options Post Reply Quote HudCo Report Post Thanks(0) Quote Reply Posted: 15 Feb 2015 at 11:17am
	the nozzle that goes up thew the carb has to seat up in the body sometimes you can remove the nozzle we use anold nozzle with the threads removedto twist inthere and clean or resurface the seat then use part #4184 use one the tiny thin nylon washers on the nozzle that is 95% of the two peice flo jet carb leaks prob. the other 4% is a sinking float 1% needle and seat