Last update: 26/08/2022, 14:33
RBV254O, RDV36, RBV3640, RBV3600, OBV1800 R18XBLV20, R18XBLV26, RBV2400ESF
This may be because of a build-up of debris, either in the lever or deep inside the elbow, which needs to be checked and cleaned out.
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