Does your lid not stay up? Hard to work on your machine safely? If so, you need a new set of support gas struts. These are not a close guess – these are correct, made by the original manufacturer for Rowe AMI, under correct specs.
OEM Manufactured Gas Spring / Strut set for your ROWE AMI R-89 R-90 R-91 R-92 R-93 R-94 Part number 4-07149-05.
Please note ROWE part numbers sometimes started with 939, and for this range had variants of -05 and -04