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Old 14th Dec 2012, 23:48   #1 (permalink)
 
Join Date: Apr 2012
Location: Bristol, United Kingdom
Age: 24
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Question Metric Tools

Hi Everybody

I'm training at an Aircraft Maintenance hanger and I never found a place where I can use my metric tools. (I knew I only need imperial tools but the tool box I purchased had both metric and AF)

I have a lot of metric sockets and spanners which I think not usable at all. they are professional quality tools and I'm thinking to sell them.

Do you think it's a good idea? or will there be some cases I need to use metric tools for aircraft maintenance?
I guess they only add weight to my tool box.

Please give your idea.

Thanks in advance

Last edited by rahalroxz; 14th Dec 2012 at 23:48.
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Old 15th Dec 2012, 00:47   #2 (permalink)
 
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There is a need for metric sockets, spanners, etc.- on every French-built aircraft! As far as light aircraft go, SOCATA, Robin/ APEX/ CEAPR, and PZL (Polish)all need them, if you're doing anything on the airframe. Engines are all Lycoming, however.
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Old 15th Dec 2012, 00:47   #3 (permalink)
TRC
 
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If you're only using Imperial stuff for the time being, take out the metric stuff and get another box for them - if they are decent quality you may well need them later on.

Not all aircraft are held together with Imperial fasteners, I've worked on types with both Imperial and metric on the same aircraft .

Good luck with your training.
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Old 15th Dec 2012, 05:38   #4 (permalink)
 
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I agree with the other replies - I started my training in 1966, and over the years I've used Whitworth, BA, BSF, AF and Metric tools. In the course of your career you never know what you'll be working on, so if you don't have room for it at the moment, just store it somewhere safe. One lesson I learned very early was to keep every tool - it'll be needed sometime
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Old 15th Dec 2012, 09:36   #5 (permalink)
 
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saved the day

I never thought I would use my old WIT and BSF which I had locked away until the Good old ATP came into my life and the nasty brake control valve needed to come out the rule is, keep them all, some day some where?

Keep them up boys
Peter
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Old 15th Dec 2012, 10:10   #6 (permalink)
 
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Plus your car will likely be metric!
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Old 16th Dec 2012, 07:03   #7 (permalink)
 
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good one

No a Rolls is A/F and thats what you get after working(?) over 50 years in
the plane game!
Keep them up boys
Pete

Last edited by Perrin; 17th Dec 2012 at 12:17.
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Old 16th Dec 2012, 09:12   #8 (permalink)
 
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Ah I said LIKELY. The more discerning types out there will have something requiring BSW,or in my case a mish mash of what previous owners have made work. But I take your point perrin,do you have your own driver too?
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Old 16th Dec 2012, 09:30   #9 (permalink)
 
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When you change the electrically driven hydraulic pump on an Airbus A320 you remove the pump from the aircraft complete with a mounting cradle. To remove this cradle from the pump you need a metric spanner.
I had worked 30 years without a metric spanner till I found this out, and had to go and borrow some from the MT bay.
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Old 16th Dec 2012, 11:22   #10 (permalink)
 
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Some aircraft batteries terminals went over to metric for a while too.... I have the odd socket over 2 inches in diameter that came in my initial tool set and some 3/4 drive, never thought I'd ever need them, but have used them once or twice to get me and others out of the poo... So as said hang onto them. I also have metric in my box, a draw full of spanners etc, simply for those odd items that turn up and use them.

If you ever get onto Helicopters, the likes of Puma are all metric.

Last edited by NutLoose; 16th Dec 2012 at 11:29.
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Old 16th Dec 2012, 22:37   #11 (permalink)
 
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hmmm I think I changed my mind now, I will keep those metric tools with me. Probably somewhere other than my 'already heavy' toolbox.

Most probably I'll be working on Airbus 320s so there will be some occasions I need to deal with the EDP with a metric spanner .

Thanks a lot for your replies guys, It really helped
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Old 17th Dec 2012, 06:41   #12 (permalink)
 
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best tool of all

Don't forget the best tool of all THE PEN (ie ground checks satis I/A/W plz advise).

keep them up boys Pete
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Old 19th Dec 2012, 19:12   #13 (permalink)
 
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...and dont forget the APIC fuel filter housing.....
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Old 21st Dec 2012, 09:57   #14 (permalink)
 
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Ah, but Perrin, is that a metric or imperial pen?
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Old 21st Dec 2012, 18:39   #15 (permalink)
 
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Metric but the refill is on a british cycle thread...
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Old 22nd Dec 2012, 07:27   #16 (permalink)
Thought police antagonist
 
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" until the Good old ATP came into my life and the nasty brake control valve needed to come out"

Any form of adulation for the most comprehensive example of "the biggest heap of junk that should never have flown, but did " would suggest the person opining such needs to consult a Doctor....at the earliest opportunity.....

You forgot the add the flap gear box replenishment....5/16 Whit. spanner required.

Only Woodford could have created this anomaly....and they did.
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Old 22nd Dec 2012, 12:50   #17 (permalink)
 
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If you ever have the pleasure of working on A300's, you may be surprised when both your 3/8 spanner and your 7/16 spanner won't fit on certain contactors when you are trying to replace them Definitely worth keeping some metric tools stashed away somewhere!
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Old 22nd Dec 2012, 13:49   #18 (permalink)
 
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Try helicopters

S76C metric engine, A/F airframe.
AS355 and BO 105 A/F engine, metric airframe.
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Old 22nd Dec 2012, 18:45   #19 (permalink)
 
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Keep the metric stuff in a separate box, close by.
Sooner or later you will need them.

Never resist an opportunity to buy more......
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Old 23rd Dec 2012, 10:22   #20 (permalink)
 
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ref Krystal n Chips

Yes after years on the ATP I did go to the doctors, his name is Dr. Retirement
very nice man.

You all keep safe and keep them up.

Peter
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