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General => General Discussion => Topic started by: laf on March 06, 2013, 07:49:25 PM

Title: are the bolts short ?
Post by: laf on March 06, 2013, 07:49:25 PM

just rewired/ replumbed camper which is a story on its own, hot and cold wires running into light swiches, all zip ties pulled to tight on water lines which cut refill and outward presure,
Now i notice the bolts through the shackles are held with one nut and spring washer , the bolt of which is JUST flush with the nut.  there is a poly sleve over the bolt which the whishbone moves on, on top of that it looks likes mild steel ?? how can i tell?
Does this sound right, thanks for any imput :cheers:

Title: are the bolts short ?
Post by: MR MAC GU on March 06, 2013, 08:19:38 PM

The bolt would usually have a minimum of 3 threads exposed from the end of the nut.


Sent from Behind you...BOO

Title: Re: are the bolts short ?
Post by: laf on March 06, 2013, 08:56:42 PM

these would bet one thread short of flush, will replace or spot weld ?

Title: Re: are the bolts short ?
Post by: Turbojohn on March 06, 2013, 09:06:29 PM

Quote from: laf on March 06, 2013, 08:56:42 PM

these would bet one thread short of flush, will replace or spot weld ?

I would replace rather than spotweld, makes maintenance and repairs too difficult if you spotweld.  :cheers:

Title: Re: are the bolts short ?
Post by: Diesel Power on March 07, 2013, 08:38:19 AM

The spring washer is designed to lock the nut ( if it's a plain nut ) so having three turns exposed is not going to help.
If its a Nyloc nut then it needs three or more exposed threads.
What type of nut do you have? At a guess it's a plain nut because of the spring washer.
Use some high strength Loctite Nut loc liquid with the spring washer and it will be good.
Regards
DP.

Title: Re: are the bolts short ?
Post by: laf on March 07, 2013, 01:19:01 PM

it is a plain nut so i will do as u as re locktite
many thanks
 :cheers:

Title: Re: are the bolts short ?
Post by: gronk on March 07, 2013, 04:29:12 PM

Quote from: Diesel Power on March 07, 2013, 08:38:19 AM

The spring washer is designed to lock the nut ( if it's a plain nut ) so having three turns exposed is not going to help.
If its a Nyloc nut then it needs three or more exposed threads.
What type of nut do you have? At a guess it's a plain nut because of the spring washer.
Use some high strength Loctite Nut loc liquid with the spring washer and it will be good.
Regards
DP.

Some places that build things specify 2 or 3 exposed threads on a bolt, but only because it makes it easy for quality control to easily see that it has been done up.........for strength, it makes no difference ( nyloc nut or not )..

Title: Re: are the bolts short ?
Post by: Jeepers Creepers on March 07, 2013, 06:12:00 PM

Why blame the bolts....maybe ya nuts are too big.