Re: I keep breaking pitman arm (see pic)

Posted by jackinok on April 28, 2011 at 07:18:34 from (162.58.82.136):

In Reply to: I keep breaking pitman arm (see pic) posted by BrianRBM on April 27, 2011 at 13:49:48:

first of all,set your knife sections in proper register, you will never keep a pitman in it with improper register.then check lead, pull a string from in board end of pitman to end of knife section should be a straight line down center of pitman down center of knife head and straight down knife back if not youll never keep a pitman in it.next set your guards wear plates and holddowns correctly ,yours will never work because just looking at your one picture i KNOW youll never keep a pitman in that one because holdown has a 1/2' gap between holddown and sections allowing knife head to jump up and down! its simply rattling itself apart! my suggestion,quite honestly and i'm not being mean here,wait on manual before you break something you cant replace or repair.Its been so long since i used a mower like yours ,(i did run one for a long time and it was agood little mower),that I dont recall exactly how to set lead so i cant help you much,but I GUARANTEE THAT one will never run just looking at your one picture.hold downs are allowing knife section to jump up and down,allowing sections to ride over grass in guards binding it up,chances are wear plates arent snugged up either,i know leads wrong because your popping nuts off bolts on drive. if registers off it wont make any difference what you do .like I say i'm not being mean here,but youll never keep it together without cutter bar setup right,and the only way to know for sure how to do that is by the book and it has to be right, not close ,for cutting grass. grass is tough to cut with a sycle mower they have to be setup right and kept set,but once you get them working they mow very well and you can put a lot of grass on the ground in a days time if you have a smooth feild where you can keep tractor speed up.Heres the thing ,pto speed must be ran at mowers rated rpm,if you run less they bind up,in you run too fast they burn up.keep pto speed CONSTANT,on rough ground slow down by changing gears only leave throttle alone.if you stop pto ,back up, restart pto get mower up to rated speed and then move back into new grass.keep swath boards working correctly,board on end of bar should leave BARE GROUND or at least no cut grass to bind up mower head on next cut.set shoes correctly for height you need and dont raise cutter bar at corners.anytime bar is raised slow down so bar wont bounce. lots of tricks to these,but they will all be in your manual.good luck!i think when you get it setup right youll be surprised at how well they do cut and how reliable they are with careful upkeep.

Replies:

• Re: I keep breaking pitman arm (see pic) BrianRMB 17:11:29 04/28/11 (0)

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