Grease Nipple Not Accepting Grease? 7 Fixes That Work – IsoHiTech

IsoHiTech’s maintenance guide walks through the seven causes behind a grease nipple that refuses grease – a blocked or collapsed fitting, hardened grease in the passage, a damaged Zerk head, wrong coupler, air lock in the line and a failed pump – with the checks a technician can run at the machine before replacing parts. Written by IsoHiTech, a manufacturer of pneumatic and electric grease pumps, grease fittings and centralized lubrication systems.