Sorry for late reply.
I never had to (nor wanted to) remove the plunge springs of my GMC R2050 because I added a ER20 collet extension to my GMC R2050.
Shop 1/2 Inch Shank Router Bit Collet Extension Collet Extender with ER20 Spring Collet Set Chuck Collet 6.35mm 12.7mm and ER20 M Type Wrench Spanner-Convert 1/2-Inch & 1/4-Inch Shank Bits. Free delivery on eligible orders of £20 or more.
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