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10-09-2021 04:52 AM
last chance
Quote:
Originally Posted by FishManDan View Post
Not sure how a broken lock washer and nut end up in the same spot? The nut would have to rotate to the point it released from the ball shaft and should not fall at same point unless glued together. Most of the time when I have tried to remove the nut, the shaft of the ball is peened by rocks to make it very hard to remove.

I would think the most important statement is grease your ball. Without traction/grip no turn of the ball, therefore no failure.
I had this happen to me. the nut was about 100 yards from where I got stopped and half of the washer was close by. but everything happened as I went over a RR track and that's where I found the nut and both pieces of the washer. I figure the washer was cracked but hadn't come apart and the nut was ready to come off and when I went over the track and the trailer lifted up the nut and washer came off and the trailer came off. either the washer was held together by a thread and came apart when the trailer came off or when it hit the road. so some way it did happen. we were only about 15 miles from home. if I had checked the ball before leaving home I'm sure the nut would have been loose.
10-08-2021 01:02 PM
FishManDan Not sure how a broken lock washer and nut end up in the same spot? The nut would have to rotate to the point it released from the ball shaft and should not fall at same point unless glued together. Most of the time when I have tried to remove the nut, the shaft of the ball is peened by rocks to make it very hard to remove.

I would think the most important statement is grease your ball. Without traction/grip no turn of the ball, therefore no failure.
09-29-2021 02:18 PM
Huntindave
Quote:
Originally Posted by Franco Cialone View Post
Do what I did once the nut is tight (300 ft. lbs.) weld the nut to shank, if you use another ball size, get another draw bar. Once its welded no more worries about coming off or theft.
99.99999% of the thieves out there, are not taking a hitch ball torqued to a measured 300 ft pounds of torque.
09-29-2021 12:38 PM
Franco Cialone Do what I did once the nut is tight (300 ft. lbs.) weld the nut to shank, if you use another ball size, get another draw bar. Once its welded no more worries about coming off or theft.
09-14-2021 08:13 PM
jjy Only time I had lock washer break was from removing the ball to different hitch. I torque ball to 250ftlb. Never come loose. Now who greases their balls?
09-11-2021 04:06 AM
last chance I believe either one will serve the purpose but if I changed balls often I would change the toothed washer often. but with the old split washer, I don't worry about it so much. if either one failed often somebody on here would have heard about it.
09-10-2021 02:39 PM
wh500special We build military equipment and much of it has toothed lock washers specified. There are standards for these things but many times it boils down to builder’s choice during the design phases.

I typically use the split washers but wouldn’t hesitate to use the toothed washers.
09-10-2021 12:38 PM
Bill Krejca Electronics company for which I worked used split lock washers on all applications capable of using one. Internal/external tooth washers were not permissible on all military and non military gear. 'Jis sayin'.

Bill
09-10-2021 08:06 AM
last chance
Quote:
Originally Posted by Johnboy View Post
Perhaps use a grade 8 standard lock washer ?
now that makes sense. but to have that one failure in 45 yrs is still 1 in who knows how many as most people go through life without a failure. me, I've used thousands of lock washers over my lifetime. I've used them on machinery at the places I've worked and I've usually worked where I had to work on the machinery and I worked on my cars and trucks all my life. not only have the 1 failure. and I've started working in factories when I was 14 and I've never even heard of a lock washer failure. but they could have had one and never knew it. it was just a fluke that my nut and broken washer coming off together. I would have thought the washer would have fallen off as soon as the nut came loose.
09-10-2021 07:21 AM
Johnboy Perhaps use a grade 8 standard lock washer ?
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