TECHNET Archives

July 2009

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, Inge <[log in to unmask]>
Date:
Mon, 13 Jul 2009 20:57:41 +0200
Content-Type:
text/plain
Parts/Attachments:
text/plain (172 lines)
sorry,  dis ass ambled should be 'disassembled'  (Brian is hard on 
grammatics). If he had been  my  examinator in languages , I had never got a 
degree.

----- Original Message ----- 
From: "Inge" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, July 13, 2009 8:39 PM
Subject: Re: [TN] NTC (It's not Friday, but this is so true!)


>& Law of  Car AC System Repair
>
> You will automatically start trouble shooting in the wrong end, and will 
> not find the failure until when at least 50% of the car is disassambled.
>
> I can prove that, will send pictures to Steve, IF he still can  or want 
> serve us. My AC works intermittently. After one year of annoying I decided 
> to fix it. Listened with my Volvo man. Typical cost 1,000 dollars and up 
> to (won't miscredit Volvo by telling what the bill can be), so I went home 
> and said to myself, you are a highly specialized technician, will be a 
> peace of a cake to fix that yourself. The start was not the best: Volvo do 
> not give you the electrical diagram with your customers manual any more. 
> OK, an AC is a simple refrigerator, compressor, condensor, reservoir, fan, 
> a switching thing and perhaps a power relay. I got some help from a 
> friend, who meant that my old Volvo must have lost freezer liquid after 12 
> years, so he made some operational things in the system but found no 
> missing agent. Then it could be the fan, which use to be one of the first 
> parts to making trouble with time. Not the fan. OK, the compressor. No 
> failure there either. The magnetic clutch? Nada.  The temp sensors? Nada. 
> OK, said my friend, now I got it. You just need change the power relay 
> that tells the clutch to rotate the compressor. Where is that, I asked. 
> Use to be somewhere behind the instruments, said my friend. Very right, 
> after some demounting of ashtray and fuse boxes, I found a board with 12 
> relays. Took me an hour to find out how on earth they had pressed that big 
> thing throug the little hole in the panel. No drawing. I deplugged the 
> first relay, decapped it, Ohm'ed it and connected it to 12 Volts. Worked. 
> Next relay, wasn't that. Went through all 12 relays, no failures. Forced 
> the relays to operate after starting car at least 25 times. Began to 
> suspect a mystic regulator box with innumberable wires in and out plus a 
> number of pneumatic plastic tubes. The press button to start the AC was 
> there,  disassambled the unit to test the switch, but there were no wires, 
> just a plastic lever that operated something in a closed box. OK, then 
> let's have a look at that PWB with lots of component on both sides. Aaahh, 
> the heart!  My experienced eye found a cold soldered joint within a couple 
> of minutes. I sucked up the bad solder and resoldered the relay pin, put 
> all things back, and ...alas... when depressing the AC button,  there was 
> a click, the motor rpm lowered when compressor started and the cool air 
> came within 20 seconds.  But....as the law said....I began in the wrong 
> end and had to slaughter most of  the instrument panel.  See the photos 
> and feel horror.
> Quod eram futurus probo
> /Inge
>
>
> ----- Original Message ----- 
> From: "Brian Ellis" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, July 13, 2009 3:25 PM
> Subject: [TN] NTC (It's not Friday, but this is so true!)
>
>
>> THE LAWS OF ULTIMATE REALITY
>>
>> &   Law of Mechanical Repair
>> After your hands become coated with grease, your nose will begin to itch
>> and you'll have to pee..
>>
>> & Law of Gravity
>> Any tool, when dropped, will roll to the least accessible corner.
>>
>> & Law of Probability
>> The probability of being watched is directly proportional to the
>> stupidity of your act.
>>
>> & Law of Random Numbers
>> If you dial a wrong number, you never get a busy signal and someone
>> always answers.
>>
>> & Law of the Alibi
>> If you tell the boss you were late for work because you had a flat tire,
>> the very next morning you will have a flat tire.
>>
>> & Variation Law
>> If you change traffic lanes, the one you were in will always move faster
>> than the one you are in now (works every time).
>>
>> & Law of the Bath
>> When the body is fully immersed in water, the telephone rings.
>>
>> & Law of Close Encounters
>> The probability of meeting someone you know increases dramatically when
>> you are with someone you don't want to be seen with.
>>
>> & Law of the Result
>> When you try to prove to someone that a machine won't work, it will.
>>
>> & Law of Biomechanics
>> The severity of the itch is inversely proportional to the reach.
>>
>> & Law of the Theatre
>> At any event, the people whose seats are furthest from the aisle arrive
>> last.
>>
>> & The Starbucks Law
>> As soon as you sit down to a cup of hot coffee, your boss will ask you
>> to do something which will last until the coffee is cold.
>>
>> & Murphy's Law of Lockers
>> If there are only two people in a locker room, they will have adjacent
>> lockers.
>>
>> & Law of Physical Surfaces
>> The chances of an open-faced jam sandwich landing face down on a floor
>> covering are directly correlated to the newness and cost of the 
>> carpet/rug.
>>
>> & Brown's Law of Physical Appearance
>> If the shoe fits, it's ugly.
>>
>> & Wilson 's Law of Commercial Marketing Strategy
>> As soon as you find a product that you really like, they will stop
>> making it.
>>
>> & Doctors' Law
>> If you don't feel well, make an appointment to go to the doctor, by the
>> time you get there you'll feel better. Don't make an appointment and
>> you'll stay sick.
>>
>> & Law of Logical Argument
>> Anything is possible if you don't know what you are talking about.
>>
>> ---------------------------------------------------
>> Technet Mail List provided as a service by IPC using LISTSERV 15.0
>> To unsubscribe, send a message to [log in to unmask] with following text in
>> the BODY (NOT the subject field): SIGNOFF Technet
>> To temporarily halt or (re-start) delivery of Technet send e-mail to 
>> [log in to unmask]: SET Technet NOMAIL or (MAIL)
>> To receive ONE mailing per day of all the posts: send e-mail to 
>> [log in to unmask]: SET Technet Digest
>> Search the archives of previous posts at: 
>> http://listserv.ipc.org/archives
>> Please visit IPC web site 
>> http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional 
>> information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 
>> ext.2815
>> ----------------------------------------------------- 
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to 
> [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to 
> [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 
> for additional information, or contact Keach Sasamori at [log in to unmask] or 
> 847-615-7100 ext.2815
> ----------------------------------------------------- 

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------

ATOM RSS1 RSS2