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  #1   IP: 209.93.206.164
Old 19-04-2018, 06:33 PM
grahams grahams is offline
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Default Hitachi 8t safety alert

Saw this in the press. Not sure if anyone on here has one of the affected models.
Graham
On 21st March 2018 the arm of an excavator on a BAM Nuttall site failed due to undetected metal fatigue. A riddling bucket was segregating material prior to backfilling when the cylinder brackets, fixed to the upper dipper arm, failed. The brackets and cylinders separated from the dipper arm, resulting in the arm dropping uncontrollably.

The Japanese manufacturer initially issued an alert in May 2016 when it received reports of similar fractures. It warned that fractures can go unnoticed and can lead to both brackets becoming separated from the arm due to fatigue. However, manufacturers’ alerts are only issued to original purchasers, not to owners of second-hand machines.

BAM Nuttall’s alert is now being disseminated by the Construction Plant-hire Association.

The models affected include: Zaxis ZX85US-3 ZX85USB-3 all; ZX85US-5 Serial Number 80030; and ZX85USB-5 Serial number range 100010-100063.

Owners of these machines are advised to inspect components and contact Hitachi Construction Machinery (UK) for further information.
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Old 19-04-2018, 09:15 PM
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komatsu komatsu is offline
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Default Re: Hitachi 8t safety alert

It's frightening to think it's still happening to them, remember when there was a spate of them a couple of years ago.
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Old 19-04-2018, 10:07 PM
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Default Re: Hitachi 8t safety alert

I don’t suppose a riddling bucket helps though, will find a weakness in any machine, but shouldn’t happen all the same
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Old 19-04-2018, 10:25 PM
grahams grahams is offline
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Default Re: Hitachi 8t safety alert

Quote:
Originally Posted by mogman View Post
I don’t suppose a riddling bucket helps though, will find a weakness in any machine, but shouldn’t happen all the same
That was my thought. If there is a fault a riddling bucket is going to find it.

Shame the recall only went to first purchasers. Need some sort of register of second hand machines with manufacturer to overcome people not knowing there has been a recall.
Graham
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Old 19-04-2018, 11:42 PM
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Default Re: Hitachi 8t safety alert

their 5 tonners don't seem a lot better either ..... seen quite a few that have been plated in the same place ..... top of the dipper, on the ram mounts.
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