Thursday, January 15, 2015


VOLVO!  This SWF windshield wiper motor came from a Volvo 544. It is single speed, 12 volt unit and is SIMILAR but not quite the same as SWF motors for early Saab and Volkswagen cars.  In this photo all the parts have been cleaned and the unit is ready to be lubed with modern, temperature stable, non-hardening lubricant and reassembled.  Above the parts are a couple of the page I made as I took the motor assembly apart. I always make drawings and notes like that so the NEXT time I get a motor of that type, I won't have to scratch my head to remember how they work, and how they go together.  I'll also know if anyone else has been into that particular motor and left something out.
Bench test time. I like to use a switch just like the one in the car for the test. I run the motors for a few minutes to make sure they run at the correct speed and that the self-park switch works.  Next to the battery is another page of drawing and notes on this little SWF motor. This little motor says, "I Roll!"

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