Withdrawal
Remove the telescopic pole.
Remove the upper strut support, see «Shock absorber replacement».
Remove the upper support cup and suspension spring.
Installation
Replace the compression stroke buffer and protective cover if necessary.
Verify that the specifications of the new spring are (free length, color codes and wire diameter) identical to the parameters of the spring of another suspension strut.
Install a new suspension strut spring so that the coils fit into the recesses of the support cups.
Install the top rack support (cm. «Shock absorber replacement»).