Question about Burndy PENA1/2 - Penetrox-a Electrical Joint Compoud 1/2 Oz

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What is the best joint compound to use for a bare copper to tin plated bus bar bolted joint

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Which is the leading company of manufacturers of copper bus bars?

One of the leading manufacturers of copper busbars in India and has been so over the last three decades. Copper busbars manufactured by our company are available in both high conductivity OFC (Oxygen Free Copper) and ETP (Electrolytic Tough Pitch) grade. Leading Copper Bus-Bas Manufacturers in India

Feb 22, 2017 | The Computers & Internet

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Fly wheel bolts keep coming lose

this happens when the flywheel is out of balance. Check that the mount area is clean and free of burrs on the crank shaft. Ensure that the threads in the crank shaft are burr free. ensure that if a dowel is used to locate the flywheel that it is in place . Use the fly wheel bolts once on;y. Use a low strength loc-tite compound on the bolt threads and tighten to specified tension (normally around 90-100ft/lbs.) use a tension wrench for this.. Next pay attention to the clutch pressure plate and that it is being held in place by the correct bolts . Small shanks that act as dowels to locate the plate exactly in position. Use locating dowels if there is holes in the flywheel for them . clamp a flat bar to thye engine flange and place it at the circumference of the flywheel and turn the engine over and see if it hits the bar in one spot or is the same distance away all the way around . Adjust the space till there is virtually no clearance under the bar. Then place the bar on the face of the flywheel and see if the flywheel is wobbling against the bar .You can use a dial indicator for these to teats .

Feb 14, 2014 | 2001 Hyundai Tiburon

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I require a method for the useage

Kemtex B916 solder paste?

This = No

"Kemtex B916 Tinning Compound
A 40/60 grade solder paste suitable for sweating together fine tolerance joints and in areas where conventional hand soldering is hard to apply. Also used for tinning motor car bodies prior to the application of bodyfill solder. Can be used for tinning bearing shells for lead based bearing metals."

Should state Rosin Flux Paste for what you want.
I'll bet the above is acid based.


Mar 04, 2013 | Computers & Internet

2 Answers

How hard is it to change out both front wheel bearings

Not that hard, you will need to remove the brake calipers and rotors. The hardest part is getting the proper size socket to take the axle nut off the spindle if its 4WD. If 2WD they just bolt on from the back of the spindle (4 bolts), and electrical connector for the ABS. Leave the ball joints and tie rods connected.

Jan 28, 2011 | 2000 GMC Jimmy

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Just installing the 200 amp panel and would like to know where the bare copper ground is supposed to hook up? Is it on the opposite end of the neutral bus?

All neutrals and all ground wires connect to the neutral bus. Where you connect them on that bus is simply a matter of being tidy and leaving room for future work. Of course your physical ground (the one going to the copper rod pounded into the earth) must be connected to this bar too.

Jan 27, 2011 | Siemens 200 Amp Main Breaker 30 Spaces 40...

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How do I check for faulty DC socket (power jack) in my asus eee pc

1) Start out by removing all power to the laptop.
Of course you probably have the AC adapter (Charger) removed, but also remove the Battery.

See if you can gently wiggle the Center Post.
Also look to see if it seems that the entire DC Power Jack is moving around.

You may have to scrutinize pretty close to see any perceptible movement.
There should be No perceptible movement at all.

This is an example of a DC Power Jack for an Asus Eee 1005HAB Notebook PC.
It may, or may not, be The DC Power Jack you will need, but is used here for an example of the DC Power Jack construction,

You can click on any of the three views shown, and have all three views enlarged.
Click to enlarge.

Looking at the view on the far left, the Front view. You will see what appear as three pins sticking up.
These are Prongs.
Shown again in the Back view, which is the middle example.

These two views show the DC Power Jack upside down, in relation to how it sits on the motherboard.
The Prongs go down through holes in copper circuit traces on the top of the motherboard, and are soldered to the motherboard on the bottom side.

A) From accidentally bumping the AC adapter's plug while inserted into the DC Power Jack, the solder joints may have cracked. This can also happen with just normal usage from plugging, and unplugging the AC adapter.

Solution for this is to re-solder the cracked solder joints.
Sounds easy, but in reality the entire laptop has to be disassembled down to the bare motherboard in your hand. No Processor on the motherboard, no Ram Memory, no nada, but the bare motherboard.

Soldering can ruin a Processor, Ram Memory, or associated hardware components still installed on the motherboard.

B) The DC Power Jack may be broken. The Black body of the DC Power Jack that you see in the examples, is made of plastic.
This entails de-soldering the Prongs of the DC Power Jack, removing it, properly cleaning the area, (area around the copper circuit trace holes in the motherboard), re-tinning the area around the circuit trace holes, then installing the new DC Power Jack, and soldering it into place.

This is a basic example of DC Power Jack replacement,

C) The motherboard area that the DC Power Jack is soldered to, can be compared to a 'Peninsula'.
A small strip of motherboard that sticks out away from the main body of the motherboard.
This 'peninsula' can crack at the area where it meets the motherboard.
This will result in stretched broken circuit traces.

[Think of a circuit trace as being a very flat, thin, copper wire ]

If this has occurred toss the motherboard.

[ In regards to the DC Power Jack repair guide in the link above;

1. You don't need a soldering station. A soldering iron around 40 to 50 Watts with a No.2 chisel tip, and well tinned, will work just fine. Have a very damp sponge nearby to constantly clean the tip with.

2. I advise using Desoldering Braid instead of a Desoldering Tool. The braid is laid on the solder joint to be removed. The tip of the soldering iron is laid right on the braid, above the solder to be removed. The copper braid will 'soak up' the solder.
A lot handier than a Desoldering Tool IMHO.

3. Isopropyl Alcohol is EXTREMELY FLAMMABLE! Do not use near the soldering iron, and use in a WELL ventilated area with NO sparks or flames present!

4. If you are rusty with your soldering/de-soldering techniques, practice awhile before attempting this procedure.

Do Not overheat the copper circuit trace area around the holes. This will burn the area, and it won't accept tinning. (Tinning: Applying a light coat of solder) If it will not accept tinning, toss the motherboard at the cat. It's junk.

Overheating can also lift the copper circuit trace right off of the motherboard.
Make SURE you make a pretty, clean, solder joint. A cold solder joint will result in you starting all over.
It's a pain in the keister to disassemble the laptop in order to repair a cold solder joint.

Make sure the soldering iron tip is clean, and well tinned before you start.
Clean the tip often by wiping it across the damp sponge ]

The center pin of your DC Power Jack may be 1.0mm in diameter, or it may be 1.65mm
Make sure you obtain THE correct DC Power Jack.
The one's that are advertised around $2 to $5 may be junk, and no where near the actual DC Power Jack you need.

This place may be the one to go to. Don't know, haven't tried them, and not advertising for them.
I do like how they want you to send a photo in, and they also ask questions BEFORE you purchase.
IMHO it seems as though they may be professionals in their area of expertise,

If you wish to have a Service Manual I do not see any online links to give you, except for one that details how to disassemble down to the Harddrive.
From there it would be a guide to an Asus Eee PC that is fairly close IMHO.
Plus guidance from me.

Have questions mtrunner53 please post in a Comment.


Dec 13, 2010 | ASUS Eee PC 1005HA-PU1X-BK Netbook

2 Answers

Replace left side front drive axle

  1. loosen center wheel nut (look up utube)
  2. remove wheels
  3. remove rod end
  4. remove strut bolts
  5. remove center wheel bolts
  6. press center shaft off or use a brass punch
  7. drop rotor assembly down
  8. pull shaft out ( check for circlips or bolting plates)

Sep 10, 2010 | 1997 Honda Civic

1 Answer

When replacing a switch with bare aluminum grounds can a copper ground be used from the new switch to the aluminum grounds on the box?

You need to make sure the wire connector has a listing AL/CU on it. These have been evaluated for a mixture of copper and aluminum combinations. BTW the switch conductor is most likely tinned copper, this slowed down the oxidation process.


2 Answers

Residential Electrical Wiring Current NEC

On a 120/240Volt single phase system is:

Black = 1st phase
Red = 2nd phase
White = neutral
Green or Bare = ground

3 phase is the same with the third phase being blue.

Jul 28, 2008 | Motorola 3-Wire Surveillance Headset...

1 Answer

Connex 3300 mic wiring

I opened up one of my Cobra HighGear mics and here is how it is wired:

1. shield (Bare copper wires) --- twist them good and tin with a little solder

2. audio (White)

3. transmit (tx) (Red)

4. receive (rx) (Black)

Blue and Yellow are unused.

Rollin CBs

Jan 27, 2008 | Connex 3300 240-Channels Base CB Radio

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