The GRACO 562920 Manzel® Model 25 Lubricator is a general-purpose, automatic force feed lubricator designed for precise metering of mineral oil base or synthetic lubricants. It is constructed with heavy-gauge sheet steel for the reservoir, cast iron cylinders, and hardened stainless steel plungers and valves. The unit is intended for reliable lubrication of cylinder walls, bearings, and other moving parts in machinery such as sugar mills, steam engines, presses, and general industrial equipment.
Key Features:
Box Lubricator
Model 25
Heavy-gauge sheet steel reservoir, cast iron cylinder, hardened stainless steel plunger and valves, sintered metal eccentrics
1/4 to 12 drops per stroke (5/16" plunger); 1/6 to 6 drops per stroke (3/16" plunger)
Up to 1000 psi (69 bar)
Mineral oil base or synthetic lubricants
Clear-Vue sight feed chamber for visual monitoring
Unitized construction with complete feed regulating mechanism
External screw-type feed regulator, adjustable while idle or in operation
Removable, self-contained pumping unit for easy servicing
Hand crank for rapid priming and increased supply
All working parts totally enclosed and self-lubricated
Double plunger design for precise metering
Available with various drives (Direct Rotary, Ratchet, 37.5:1 and 75:1 gear reductions)
Applications: Automatic, precision lubrication for cylinder walls, bearings, and moving parts in machinery such as sugar mills, steam engines, presses, and general industrial equipment.
Installation Notes:
Ensures compatibility, reliability, and optimal performance within GRACO equipment.
Ensure proper alignment and secure mounting of the lubricator
Use only compatible lubricants as specified
Prime the system using the hand crank before start-up
Regularly inspect and clean the inlet strainer
Check for leaks and proper operation of the sight feed chamber
Follow manufacturer guidelines for maintenance intervals
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