Sears Craftsman

How to Repair Sears Portable Tool Batteries

Craftsman and Diehard portable tool batteries are the two main names distributed by Sears. Newer portable tool batteries often contain lithium ion cells instead of nickel-based cells; while this type of cell produces more power and weighs less than nickel cells, it's not recommended for service or repairs done on a do-it-yourself basis. Lithium cells are volatile and must be charged in a certain way; every portable tool battery pack has power surge stabilizers fitted to ensure correct charging. However, you still find many nickel-based Sears portable
Panasoni EY6432 tool batteries
around, so if you have one and it's not operating correctly, try repairing it yourself.

Put your Sears portable tool battery on charge. Remove it from the charger once it's fully charged. Leave the
Panasonic EY9136 battery
for 12 hours or more. This allows bad cells in the battery to discharge so you can find out which cells you need to replace to repair the battery.

Remove the Sears portable
AEG BBM 18 STX tool battery
cover. There are six or eight Phillips screws holding the cover in place, so use a Phillips screwdriver to remove them and then lift off the cover from the main battery compartment. You can now get to the cells to test the voltage of each cell.

Use a multimeter and set it to measure volts. Place the metal tips on the ends of the two wires from the meter onto a battery cell. The metal tip on the end of the red wire touches the positive cell terminal and the metal tip on the end of the black wire touches the negative cell terminal. The raised round knob on top of the cell is positive and the flat plate on the base of the cell is negative.

Read the voltmeter. A good battery cell measures 1.2 volts. If the reading is below 1.1 volts, consider the cell bad and replace it. Put a mark on the cell using a pen so you can identify it. Test each cell, systematically marking bad cells.

Remove bad cells from the Sears portable link=http://www.battery-company.com.au/power-tool-battery-model.php/bosch_2+607+335+031_6_285.htm]Bosch 2 607 335 031 battery pack. If the cells are clipped in place, simply pry each cell out using a screwdriver. If they're wired in place using metal tabs, you need to use a soldering iron.

Heat the soldering iron, then place the tip on the cell's metal tab. Remove the soldering iron immediately after the solder melts and quickly lift the wired metal tab off the cell using a pair of long-nosed pliers. Repeat the process to remove all the bad cells. Turn off the soldering iron.

Purchase as many new cells as necessary from an electrical or hobby store. They are inexpensive and widely available. Take a bad cell to the store so you get an exact replacement.

Put the replacement cells into the
Makita 9120 battery
compartment. Push them into place using your fingers so they connect on the terminals, if the cells clip in place. If the cells are wired then heat a soldering iron.

Put a cell into position and place the metal tab onto the terminal. Place the end of the soldering iron onto the metal tab and then introduce a small amount of solder. Let it melt then remove the soldering iron and allow the connection to cool. Repeat the process on each cell terminal. Turn off the soldering iron.

Replace the
Ryobi 1311166 tool battery
cover on the battery compartment. Fix it in place using the Phillips screws and a screwdriver.

Charge your battery for half an hour. This equalizes the charge in the Sears portable tool battery pack. Use your repaired battery pack as usual.

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VINTAGE SEARS CRAFTSMAN 109 METAL LATHE COMPLETE carriage assembly
VINTAGE SEARS CRAFTSMAN 109 METAL LATHE COMPLETE carriage assembly
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4 Ball Bearings 1 1 4 OD 1 2 ID 6201ZZ FBS used Sears Craftsman Metal Lathe
4 Ball Bearings 1 1 4 OD 1 2 ID 6201ZZ FBS used Sears Craftsman Metal Lathe
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Cast Iron Plate C3545 Assembly From Sears Craftsman 6 Metal Lathe 109 20630
Cast Iron Plate C3545 Assembly From Sears Craftsman 6 Metal Lathe 109 20630
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Alloy Lead Screw Mount Bracket From Sears Craftsman 6 Metal Lathe 109 20630
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SEARS CRAFTSMAN ROTARY INDEXING TABLE 8 DIAMETER NEW IN BOX
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6 pcs 1 2 x 80 sanding belts Assorted grit Fits Sears Craftsman 12 band saw
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Sears Vintage No 4058 3 Long 15 Blade thickness gauge pre Craftsman
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Sears Craftsman 109 Metal Lathe Original Change Gear Set 7 Pieces
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Sears Dunlap Craftsman Wood Lathe
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ATLAS 6 CRAFTSMAN LATHE SEARS 618 10107301 SPINDLE GEAR STUD
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15 Sears Craftsman Mig Welding Gun Torch Welder 20105 20111 20549 Parts
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Sears Craftsman Ogee Rail Stile Set 1 2 Shank Carbide Router Bits 925402
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Craftsman Sears 109 10920630 6 LEAD SCREW SUPPORT END BEARING A 3541
Craftsman Sears 109 10920630 6 LEAD SCREW SUPPORT END BEARING A 3541
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Craftsman Sears 109 10920630 6 RIGHT AND LEFT FRONT CARRIAGE GIBB A 3444 3443
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Craftsman Sears 109 10920630 6 LEAD SCREW BOLT
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Depth Adjustment Handles ++ Sears Craftsman 8 Bench Top Drill Press 113213722
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Craftsman Sears 109 10920630 6 SWIVEL T BOLT
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Craftsman Sears 109 10920630 6 CHANGE GEAR SPIDER B 3207
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Sears Craftsman Tap  Die Set 5499 With Original Wood Case
Sears Craftsman Tap Die Set 5499 With Original Wood Case
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Craftsman Compressed Gas Regulator Sear Roebuck and Co
Craftsman Compressed Gas Regulator Sear Roebuck and Co
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Craftsman Soldering Iron 150 Watt  Stand 5382 Vintage Sears
Craftsman Soldering Iron 150 Watt Stand 5382 Vintage Sears
$13.00
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Sears Craftsman Telescope Gage Set Bore Inside Gauge Machinist Tool
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VINTAGE SEARS CRAFTSMAN 3 8 DRILL CHUCK 9 2975 Original BOX
VINTAGE SEARS CRAFTSMAN 3 8 DRILL CHUCK 9 2975 Original BOX
$4.00
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Band Saw Blade Aluminum Brass Bronze Copper SEARS CRAFTSMAN
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Sears Craftsman 6 Metal Lathe 10121200 Operation and Parts List Manual 602
Sears Craftsman 6 Metal Lathe 10121200 Operation and Parts List Manual 602
$15.00
SEARS CRAFTSMAN MILL WORKS MOLDING MAKER 925254 171252540 ROUTER SANDER TOOL +
SEARS CRAFTSMAN MILL WORKS MOLDING MAKER 925254 171252540 ROUTER SANDER TOOL +
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Vintage Sears Craftsman 40996 6 Scale
Vintage Sears Craftsman 40996 6 Scale
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Sears Craftsman Soldering Gun 100 130 Watts 52803 24 Karat gold plated tips
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SEARS CRAFTSMAN 1 2 INCH ARBOR NO 9 2590 FITS 3 8 DRIL NEW OLD STOCK
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SEARS CRAFTSMAN 3 Diameter 1 2 Bore Wood Lathe Pulley
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New Atlas Craftsman Sears Lathe Spindle Speed Chart Label Name Plate
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New Atlas Craftsman Sears Name Plate Label 1 3 16 H 5 3 4 Long
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Sears Craftsman Telescope Gage Set Bore Inside Gauge Machinist Tool
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VINTAGE SEARS CRAFTSMAN DIAL INDICATOR
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Heavy Steel  Cat Iron Parts  From 12 Sears Craftsman Metal Lathe 10107403
Heavy Steel Cat Iron Parts From 12 Sears Craftsman Metal Lathe 10107403
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Heavy Cast Iron Change Gear Spider 10 25 Welded From Vintage Metal Lathe
Heavy Cast Iron Change Gear Spider 10 25 Welded From Vintage Metal Lathe
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Screw Stud Bracket Assembly Cast Iron 12 Sears Craftsman Metal Lathe 10107403
Screw Stud Bracket Assembly Cast Iron 12 Sears Craftsman Metal Lathe 10107403
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