front wheel/axle fell of my troybilt. what to do to fix this problem? 12ag836e011

[ronmcc02]

right front axle dropped down out of slot. appears that's something is missing that was holding it up. running crippled now. what to do to fix this problem

 

[mechanic mark]

http://www.troybilt.com/webapp/wcs/stores/servlet/DisplayOwnersManualList?storeId=10001&catalogId=14102&langId=-1&logoCode=02&modelNumber=12AG836E01

see third manual down pages 19 & 20

 

[ronmcc02]

thank you for the support. I ordered the clip. will install and let it be known how it works out.