Lynch pin mystery
#1
11-13-19, 08:51 AM
Lynch pin mystery
I have a 25-horse utility tractor. In winter I plow snow with it using a backblade, which I push back using the rounded back side of the blade. Occasionally the lynch pin on one of the lift arms of the 3-point hitch pops off, so I have to (usually on a hillside) somehow get everything lined up to put on a replacement. I can't figure out why this happens. It's one of those pins with a round clip. It doesn't seem like the forces at play would work to pop it off. Is there something I might be doing wrong here?
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#2
11-13-19, 10:11 AM
I've had them pop off for seemingly no reason also. It might be because they are old or cheap. You don't have to use a lynch pin. If it's a connection that is prone to come off I'd use a bolt or another type of pin.
I don't recall one ever popping off of my scraper blade but have had it happen with other implements and my front bucket arms.
I don't recall one ever popping off of my scraper blade but have had it happen with other implements and my front bucket arms.
#4
11-13-19, 11:14 AM
Group Moderator
I think it mostly has to do with the lynch pin your using. Sometimes the flip over ring doesn't close all the way, especially if it's rusted or frozen. A squirt of WD-40 might help but if the ring doesn't snap down firmly on the pin get another one. I keep a couple spares on the tractor just in case.
TomVZ voted this post useful.
#5
11-14-19, 07:16 AM
Member
The lift pins which connect to the tractor lift arms and secure with the lynch pins are notorious for working loose, especially on scraper blades. When the lift pins get loose, they will rotate and allow the lynch pins to fall out if the retainer ring is not secure.
TomVZ voted this post useful.
#8
11-14-19, 01:00 PM
Member
Do you recommend using an ordinary bolt in place of the lynch pin?
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