If you don’t use it you should just grab a cheap corded one. Bosch or metabo can be had for <$50 on sale. I just got another one on Amazon not too long ago actually. $35. Keep your eyes peeled. Slickdeals website allows you to set alerts too.
BOSCH 4-1/2-Inch Angle Grinder 1375A https://smile.amazon.com/dp/B00004SUOU/
Use an angle grinder with a cut-off wheel for cutting sheet steel.
There is a non OEM solution - https://www.amazon.com/Bosch-1375A-2-Inch-Angle-Grinder/dp/B00004SUOU/ref=mp_s_a_1_3?keywords=angle+grinder&qid=1574014778&smid=ATVPDKIKX0DER&sr=8-3 - "it just works."
https://www.amazon.com/Bosch-1375A-2-Inch-Angle-Grinder/dp/B00004SUOU
;)
This cut allows the removal of the motor without disconnecting the wires in deck
I’m about to trim it with my angle grinder.
Something like this from your preferred brand. https://www.amazon.com/dp/B00004SUOU/ref=cm_sw_r_cp_api_i_0TBuFbVY5QJSZ