On 01/10/2019 13:58, Chris Bartram wrote:
On 30/09/2019 15:10, Michael Chare wrote:
The wiper blade arm on my car is very hard to remove from the motor
spindle, possibly because that part of the arm is aluminium and the
spindle is steel.Â* Would greasing the spindle be wise and would it
make much difference waht grease I used?


Use copperease/copaslip. You can also buy a puller tool to remove them,
but if you copper-grease them before refitting you'll not need it next
time.

https://www.amazon.co.uk/dp/B01L38BE0M/
DO NOT USE COPPER SLIP. Use molyslip


--
"Anyone who believes that the laws of physics are mere social
conventions is invited to try transgressing those conventions from the
windows of my apartment. (I live on the twenty-first floor.) "

Alan Sokal