I have cleaned the ribber and replaced the sponge in the needle retaining bar.
New Connecting Arm Assembly for Brother Bulky ribber KR-260
BARGAIN - LOWEST PRICE - MUST - GO - Brother KR - 830 standard guage ribber
BROTHER KR-850 KNITTING MACHINE RIBBER READ DESCRIPTION SPARE & REPAIR
Brother KR-830 Ribbing Attachment Knitting Machine Accessories
Brother KR-850 Ribbing Attachment For Knitting Machine
Brother KR-850 Ribbing Attachment parts For Knitting Machine