This is an authentic Craftsman replacement part, sourced from the original manufacturer for use with circular saws and hammer drills. The special retaining ring is commonly used to secure the fan to the armature's shaft. This item is available as an individual replacement part, please see illustrated diagram for associative parts.
1. Removed the plastic belt cover.
2. Loosened and removed the belt.
3. Removed the motor.
4. Removed the brushes.
5. Pulled out the armature.
6. Used a torch and a gear puller to remove the grooved pulley to access the bad bearing. 7. Replaced the bearing and reassembled.
Removed drive belt cover
Removed drive belt
Removed motor cover with armature
Removed armature from housing
Used bearing separator and press to remove drive pulley, then damaged bearing.
Inner race of bearing was very tight so we thinned it with a carbide burr and broke it off the shaft
Retaining screw
... Read morefor drive pulley was installed with Loctite, had to heat to soften Loctite and remove.
Only the large bearing was bad but I replaced both while apart
Reassembled in reverse order.
Helpful to have some experience
Remove the motor from the gear case, Remove motor leads from the switch, remove the the brushes. Remove the back motor cap. Remove the screws from the motor housing, then using a mallet tap on the gearcase to separate the housings. Remove the armature. Remove the retaining rings. I have a friend that let me use his arbor press to remove a
... Read morend install the bearings. (You can try a tool repair shop for this also.) Remove the old sleeve from the housing. and install the new one. Then install all of the parts in reverse order.
1. Flip saw over and remove the four screws that hold the plastic case onto the gear box. You may need to set the saw blade to 45 degrees to get good access
2. Remember to unplug the saw...
3. Remove the plastic case by pulling straight back
4. Remove the armature assembly by pulling straight back. You may need to rock i
... Read moret back and forth.
5. Remove the bearing using a bearing puller
6. Press the new bearing into place.
7. Put everything back in reverse order.
8. Say a prayer and then start the motor
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Model Cross Reference
This part works with the following models:
ERP Number: ERP10166028
Manufacturer Part Number: 144803-00
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
