Digest for sci.electronics.repair@googlegroups.com - 6 updates in 2 topics

John Robertson <spam@flippers.com>: Jan 28 10:02AM -0800

On 2021/01/27 5:35 p.m., Allodoxaphobia wrote:
>>>>> soldering.  For example, in case I'm not clear, can I combine all the
>>>>> orange wires from the supply and all the orange wires from the
>>>>> connector and solder together?  Thanks in advance.
...
 
> The OP should stagger the cuts for each set of common wires.
> To attempt them side-by-side would put all the "blobs" side-by-side.
 
Excellent point!
 
> the cut cable. He somehow succeded, but the plane's crew chief could not
> close the cover over the equipment bay -- due to the now some-6" thick bable.
 
> (Anybody remember dzus fasteners?)
 
I always wondered what they were called - we use them in old jukeboxes -
thanks!
 
https://www.wagaero.com/hardware/fasteners/dzus-fasteners/ajw5-50-fastener.html
 
 
> Jonesy
 
Muchos gracias! (this is your second official language, eh?)
 
John :-#)#
Allodoxaphobia <trepidation@example.net>: Jan 28 10:04PM

On Thu, 28 Jan 2021 10:02:06 -0800, John Robertson wrote:
 
> Muchos gracias! (this is your second official language, eh?)
 
errr, uuuuh, no, My second official language is IBM Mainframe Assembler.
After that comes German, then PHP. :-)
 
Jonesy
Tim R <timothy42b@aol.com>: Jan 29 05:57AM -0800

On Wednesday, January 27, 2021 at 8:35:19 PM UTC-5, Allodoxaphobia wrote:
> "stub" wires into the new plug, he proceeded to splice it all back onto
> the cut cable. He somehow succeded, but the plane's crew chief could not
> close the cover over the equipment bay -- due to the now some-6" thick bable.
 
You could argue he was given insufficiently clear instructions on his task. Though a real tech should have figured it out.
 
In a factory where I worked there was an OSHA potential violation identified, the 6 mill roll stands did not have individual identification placards.
 
I wrote an order to the most recent hire: use the engraver and make 6 placards labeled Mill Roll Stand #1 - #6.
 
I knew what I wanted but he didn't. Next time I checked all 6 mill roll stands had identical labels, Mill Roll Stand #1 - #6.
 
I will admit that I have also cut a cable too close to a connection and quickly regretted it.
"Peter W." <peterwieck33@gmail.com>: Jan 29 06:28AM -0800

"But you know what I mean."
 
No, I know what you said (wrote). I am still trying to discern what you mean.
 
"Can I ......?"
 
Answer A: I should certainly hope so!
Answer B: I do not know. Can you?
 
Peter Wieck
Melrose Park, PA
Peter Easthope <petereasthope@gmail.com>: Jan 28 06:25PM -0800

Hi,
 
A 1990 Honda Civic Si, 1.6 liter here.
 
The engine starts fairly easily. It begins to falter as it warms.
After driving for 10-15 minutes it's barely running. If the engine is
shut off or stalls, it won't restart until cooled to ambient.
 
With an old mechanical distributor I would remove the cap with high
voltage wires all connected. Rotate the crank shaft until points are
closed. With the inside of the cap facing up, place a coin between
the center contact and a spark plug contact, not touching both.
Switch on the ignition. (Not the starter of course.) Then lift the
points open with finger nail or screw driver tip. The spark should be
visible jumping via the coin. The spark at each plug is easily
checked by shifting the coin.
 
In the Honda distributor, no points are visible and high voltage is
created in a module inside the cap. No external coil as in the old
style ignition.
 
Can the coin test be done with this type of disributor?
 
Thanks, ... Peter E., Pender Island, BC
"Peter W." <peterwieck33@gmail.com>: Jan 29 04:15AM -0800

Whether there is a visible coil or not, there is a coil, AKA "Ignition Control Module". A thermal fault in these devices is not uncommon, and the typical failure-mode (after 30 years). About a US$55 part, or so. That being written, do you have a spark when the system is hot? You can verify that rather easily by pulling any given sparkplug wire (at the plug), installing a spare plug, grounding said plug and checking for a spark by running the starter for a few seconds. Or, if you have an old-fashioned induction timing strobe, seeing if it will fire (with the wires connected).
 
No spark, suspect the ignition module.
Good Spark, suspect the fuel filter, fuel pump or fuel system. Old fuel filters will often flow fine until the dirt particles pull back into the elements under suction. So one attributes the failure to ignition... A filter is about a US$35 ordeal.
 
Be systematic as repair-by-substitution is expensive.
 
https://shop.advanceautoparts.com/p/bwd-ignition-control-module-cbe550p/3038203-P?searchTerm=ignition%20control%20module
 
https://shop.advanceautoparts.com/p/beck-arnley-fuel-filter-043-0928/18033674-P?searchTerm=fuel%20filter
 
Peter Wieck
Melrose Park, PA
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