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Rigger's Guide to proper swaging techniques

How to use a #1-BSC Bench Swager

Thank you for watching our instruction video on Loos’ LOCOLOC® #1-BSC

Five cavity bench mounted handswaging tool

Each tool’s individually boxed in a shipping container

We include a package of grease to maintain your tool and also a handy go gauge which you can use to measure the after swage diameter of each sleeve after it’s compressed

The tool comes packaged with a complete instruction guide on how to properly use the tool

a chart showing the number of compressions for each sleeve size

and a diagram on the back which shows replacement parts which are available for your tool

Again this is a bench mounted tool so you will be mounting the tool onto your workbench

Each tool is fully adjustable and comes with a hazardous warning guide on areas where the tool should not be used

Notice the snap over center action of the tool when it’s closed

This ensures that the tool is completely closed and the swage is complete before you proceed to the next compression

When cutting cable we recommend that you use the FELCO Swiss made cable cutter

These are the finest cable cutters made in the world, and the blades are extremely sharp

they’re replaceable, but most importantly you’ll notice that after the cable is cut, you have a nice clean cut on the end of your cable

There’s no frayed edges or any strands, which are getting in the way of inserting the cable into the copper sleeve that you’re going to be compressing

The cable slides easily into the duplex oval sleeve

We’re going to make a loop connection for swaging the sleeve

And you’ll notice that there’s a small tail of cable sticking out the end of the copper sleeve

That needs to be a minimum of one cable diameter of the size cable you’re using

And this ensures that all portions of the cable are compressed in the sleeve

It’s a 3/16 inch wire rope swaging in the rear cavity of the tool

And you’ll notice that if you rotate the sleeve 180 degrees each time between each compression, you’ll have a sleeve that’s very straight with no curves or bends into the compressions of the sleeves

This is what’s known as the banana effect

Continuing on with the finishing of the compressions on the 3/16 inch copper oval sleeve, you’ll see that the sleeve is compressed a total of four times

Very easily done with this bench mounted swaging tool with very little effort

And this is what the four compressions should look like after you’re done using the tool

And you’ll want to measure the after swage diameter of each of the compressions to make sure that it freely slides in and out of the go gauge in the three sixteenths inch slot

You’ve got a properly swaged sleeve that will exceed the breaking strength of the cable

In fact the cable will break before that connection will fail

For different size sleeves that you’ll be swaging you can easily refer to the chart on the back of the instructions sheet

Showing the proper number of compressions for each sized sleeve that you’ll be using

And lastly, all LOCOLOC® tools from Loos and Company are fully adjustable, so that you can maintain the correct after swage diameter


Cable splicing is much easier if the cable is cut clean without frayed ends. We highly recommend  C7, C9, C12 or C16 cable cutters as shown in the Loos & Co. Cableware Division catalog. LOCOLOC® Oval and Stop sleeves in a complete range of sizes are available through the Loos & Co. Cableware Division. Sleeves elongate after compression. To assure maximum holding allow the end of the cable to extend beyond the sleeve after it is compressed (see illustration below).  Keep the jaws of the swager at right angles to the sleeve being compressed, making sure the sleeve is aligned in the jaw grooves. Then close the handles of the swager completely. (Note: for lap splices, at least two oval sleeves should be used.) Each Loos & Co. LOCOLOC® Swager is designed to work with one or more specific size sleeves. FOR USE ON ALL METAL CONSTRUCTION CABLES, 7×7, 7×19, 6×19 IWRC ON SIZES UP TO 3/16. You will not obtain performance if you do not use the proper swager and sleeve combination. The chart below shows the specific size sleeve to be used with a particular swager number. All compressions must be gauged to assure maximum holding strength, and it is recommended that all assemblies should be proof tested.


Figuur 1

Place sleeve to be compressed in groove in swaging tool. Single cavity tools should match cable size to be swaged. Length of cable equal to the cable diameter should extend beyond length of sleeve to achieve maximum holding. (See arrow in figure 3).

Figuur 2

Keep jaws of swaging tool at right angles to the sleeve to be compressed, making sure the sleeve is aligned in the jaw grooves. Close tool completely. Tool handles should snap shut indicating complete closure.

Figure 3
Figuur 3

Finished sleeve should look like this. Be sure sleeves have been compressed the proper number of times. (See NUMBER OF COMPRESSIONS table below).

Figure 4
Figuur 4

Use Swaging gauge provided with the tool to check proper after swage diameter. Compressed sleeve should slide freely into size slot of gauge.


Your Loos & Co. LOCOLOC® Swager has been designed to give you years of trouble free service. To obtain the best possible performance, we recommend: (1) clean and lubricate all moving parts regularly; (2) keep all bolts tight; (3) keep your swager properly adjusted using the following simple procedure:

Each LOCOLOC® Swager is supplied with a gauge. Select the slot in the gauge corresponding to the sleeve size being compressed. The compressed portion of the sleeve should pass into the gauge easily. If it does not, then adjust your swager as follows:

With the handles apart, use a 3/16″ Allen wrench to tighten set screw in handle 1/4 turn. Then compress sleeve and check with the gauge. Continue this procedure until the compressed portion of the sleeve passes easily into the gauge. These instructions apply to all #1-SC, #0, #0-SC, and #1-BSC Loos & Co. LOCOLOC® Swagers

Cable DiameterAluminum & Copper
Ovale mouwenStophoezen