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In short, the chevys chassis needs some tidying up before any MOT so need tool help other than a angle grinder or drill with a wire brush on it. Now I have either sand blasting or the use of a needle scaler in mind but because of the mess of blasting in an outdoor setting, I am thinking the needle scaler may be the route to take. In typical marketing blurb, the datasheet says it requires 90psi to function so a decent compressor will be needed to function effectively but I have an idea  As a possible air system, my old 2009 ex utility Transit has on board air which is supposed to pack a decent air supply so I'm thinking this may work well! Anyhoo, as usual, any thoughts on best use of this tool would be appreciated before an order is placed. Said tool:  |
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1992 Chevy K1500
2006 Volvo XC70
1999 Daihatsu Hijet
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stealthstylz
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I wouldn't get a pistol one, they're a pain in the balls to direct. The straight ones without the handle are better. They do use a lot of air, we've got a giant industrial size vane compressor at work and if I'm going at a particularly bad engine block for a hour or so the compressor is running constantly. They also make a absolute racket if you've got neighbours.
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jimi
Club Retro Rides Member
Posts: 1,198 
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As above, straight one rather than the pistol grip. Also be prepared for it to eat thin metal, chassis should be ok but it will find any weak bits, I wouldn't go near bodywork with it.
Get a good pair of ear defenders, you'll need them
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Black is not a colour ! .... Its the absence of colour
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93fxdl
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Have you considered wet blasting using a pressure washer
Ttfn Glenn
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slater
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Wet blasting yes but with a proper blasting pot would be my choice. Blast then spray with phosphoric acid to kill of any flash rusting. Then dry (helps if it a nice day but warming with a cutting torch helps speed things along.
Then again I doubt you have access to any of that wihout serious invstment so needle scaler probably isn't a bad shout. They will knock the loose stuff off. If there's underseal or what not it might end up being a bit gummy tho. Plus obviously only good on thick gauge steel.
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Wet blasting yes but with a proper blasting pot would be my choice. Blast then spray with phosphoric acid to kill of any flash rusting. Then dry (helps if it a nice day but warming with a cutting torch helps speed things along. Then again I doubt you have access to any of that wihout serious invstment so needle scaler probably isn't a bad shout. They will knock the loose stuff off. If there's underseal or what not it might end up being a bit gummy tho. Plus obviously only good on thick gauge steel. Wet blasting is a good call but our water supply on the farm is seriously low in pressure and apart from the odd petrol washer, electric machines are just gutless and inconsistent in operation. I think I will have a bash with a needle scaler as it's prime purpose is indeed to knock the loose stuff off before applying Lanoguard. Probably pop in at Machine Mart later. |
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1992 Chevy K1500
2006 Volvo XC70
1999 Daihatsu Hijet
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glenanderson
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May 10, 2023 18:44:40 GMT |
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I have a straight needle scaler, and it gets used a fair bit as it's pretty effective.
I will echo comments above regarding ear and eye protection. A decent thick pair of gloves is a good idea too as it gets very cold even on a hot day, and the vibrations aren't going to do unprotected fingers any good at all. I wear a pair of the waterproof work gloves from Screwfix when I use mine as they've a thick neoprene inner that helps prevent both the chill and the tingles.
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My worst worry about dying is my wife selling my stuff for what I told her it cost...
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May 10, 2023 19:26:51 GMT |
I have a straight needle scaler, and it gets used a fair bit as it's pretty effective. I will echo comments above regarding ear and eye protection. A decent thick pair of gloves is a good idea too as it gets very cold even on a hot day, and the vibrations aren't going to do unprotected fingers any good at all. I wear a pair of the waterproof work gloves from Screwfix when I use mine as they've a thick neoprene inner that helps prevent both the chill and the tingles. I took the advice on here and went for the straight one. I will also get good h&s kit as recommended!  |
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Last Edit: May 10, 2023 19:27:17 GMT by brachunky
1992 Chevy K1500
2006 Volvo XC70
1999 Daihatsu Hijet
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Cortina XR6 Interceptor
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May 10, 2023 20:01:58 GMT |
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highly recommend the 3M Peltor X5A, they are the highest rated ones they do, a little bulky for tight spaces, but otherwise I wear mine for 8 hours a day for the last 4 years (plastic cnc trimming is noisy!)
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jimi
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May 10, 2023 20:52:39 GMT |
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Try not to use it for extended periods at a time (hours), HAVS is not a nice thing to end up with and needle guns by their nature produce a lot of vibration.
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Black is not a colour ! .... Its the absence of colour
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jimi
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May 10, 2023 21:16:34 GMT |
highly recommend the 3M Peltor X5A, they are the highest rated ones they do, a little bulky for tight spaces, but otherwise I wear mine for 8 hours a day for the last 4 years (plastic cnc trimming is noisy!) You won't go wrong with Peltors  I've never tried the X5A so I can't really comment on them but I believe they are as good if not better than the 3M Peltor OPTIME III I wore the neckband version ear daily when I worked offshore, engine rooms are often over 100Db, V16 twin supercharged EMD's are not quiet  . I'd certainly recommend the OPTIME's, I worked offshore for 30+ years and my hearing is still good, which is undoubtedly due to having good hearing protection. I have 2 pairs at home that I still use with noisy power tools 👍 |
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Last Edit: May 10, 2023 21:17:44 GMT by jimi
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May 10, 2023 23:11:55 GMT |
Try not to use it for extended periods at a time (hours), HAVS is not a nice thing to end up with and needle guns by their nature produce a lot of vibration. What time period would you say is safe? an hour? and roughly how long a break would one take before continuing work? |
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Ritchie
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Try not to use it for extended periods at a time (hours), HAVS is not a nice thing to end up with and needle guns by their nature produce a lot of vibration. What time period would you say is safe? an hour? and roughly how long a break would one take before continuing work? HAVS spec will be in the manual and you’ll get a calculator online to work out the exposure times. I would say that they seem to be conservative though, just use a bit of common sense. |
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jimi
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I'm not qualified to recommend exposure limits, I know it was tightly monitored offshore and is based on daily exposure time & the tool rating. From what I know needle guns could be anything from 5 to 60 mins a day depending on the gun rating. That may just be my (ex)companies limits I don't know.
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Ritchie
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I'm not qualified to recommend exposure limits, I know it was tightly monitored offshore and is based on daily exposure time & the tool rating. From what I know needle guns could be anything from 5 to 60 mins a day depending on the gun rating. That may just be my (ex)companies limits I don't know. I work offshore and in a past life I actually carried out the HAV testing required to allocate tools the rating. To be honest the rating can vary wildly on how hard the test machine is held on the tool, angle, how the test is carried out, condition of the tool etc. I would just be sensible about it really. I wouldn't overthink it.
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jimi
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I work offshore and in a past life I actually carried out the HAV testing required to allocate tools the rating. To be honest the rating can vary wildly on how hard the test machine is held on the tool, angle, how the test is carried out, condition of the tool etc. I would just be sensible about it really. I wouldn't overthink it. Funnily enough I did load of the same type of tool testing for the medic when HAVS first came in, as you say very easy to accidentally skew the results Being sensible about it, eye protection,decent work gloves and regular breaks is probably enough. |
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Last Edit: May 11, 2023 9:06:15 GMT by jimi
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stealthstylz
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May 11, 2023 12:03:43 GMT |
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I've never had a set limit but after a hour I'd be surprised if you haven't had enough anyway. I certainly have.
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Ritchie
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May 11, 2023 16:40:21 GMT |
I've never had a set limit but after a hour I'd be surprised if you haven't had enough anyway. I certainly have. Aye, when you start seeing two needle guns it’s time for a coffee. |
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I've never had a set limit but after a hour I'd be surprised if you haven't had enough anyway. I certainly have. Aye, when you start seeing two needle guns it’s time for a coffee. Plenty tea breaks then  Thanks everyone especially on the subject of HAVS. I will certainly not be over doing it. |
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1999 Daihatsu Hijet
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Cortina XR6 Interceptor
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. I'd certainly recommend the OPTIME's, I worked offshore for 30+ years and my hearing is still good, which is undoubtedly due to having good hearing protection.
Thanks everyone especially on the subject of HAVS. I will certainly not be over doing it.