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The ALEMITE AL1638-B is a lubrication fitting designed to provide a secure grease injection point on mechanical assemblies. These fittings, commonly known as grease zerks or grease nipples, allow technicians to introduce lubricant directly into bearings, joints, and other wear points using a standard grease gun. The AL1638-B is sold individually and is a staple component in any preventive maintenance program across industrial, commercial, and fleet service environments. Its compact form factor makes it suitable for tight installation spaces where access is limited.
This fitting is used wherever a grease-able service point is required. Common applications include agricultural equipment, construction machinery, automotive chassis components, conveyor systems, and general industrial machinery. Maintenance technicians, fleet mechanics, and lubrication specialists install these fittings during equipment assembly, rebuild, or routine service intervals to restore or establish a functional grease point.
Designed as a standard replacement or new-installation lubrication fitting for mechanical assemblies requiring a grease injection point. Verify thread size and seat type against the existing port specification before installation.
Installation is typically performed by a maintenance technician or mechanic using an appropriately sized wrench or socket. Relieve any load or pressure on the assembly before removing an existing fitting. Thread the fitting in by hand first to avoid cross-threading, then tighten with a wrench to seat it firmly without over-torquing the threads. Confirm the check valve seats properly by attaching a grease gun and verifying lubricant flow.
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