Hi all.

The wiper arm metal is soft (pot metal?) so I assume it's prone to
cracking, but if one compressed the portion of metal on wiper arm that
contacts the wiper arm shaft, would this reduce the ID of the hole on
arm and enable the arm to better re-knurl to the wiper arm shaft?

After repairing my '81 Westy yesterday, finally pulled my head out of
the engine bay to see that snow load had forced a wiper arm on the '88
to drop. I measured the length from shoulder of wiper arm shaft (below
splines) to end of splines and length of portion of wiper arm that
slides over the shaft. I saw just over 1 mm difference. The shaft is
shorter. This gave me cause to file a **very, very ** small amount of
metal off the shoulder of shaft to see if that would help the arm seat
further down. It seemed to help wiper re-knurl, but all that spawned
the above question.

Neil.

--
Neil n

Blog: tubaneil.blogspot.ca

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