Husky Sanitary Diaphragm Pump 3150

Depressurize fluid, after operation

Remove heat from system, after operation

Inspect check valves components for wear

Sign off on the daily diaphragm pump maintenance

Pressure relieved and all hoses disconnected

Pump removed from its mounting and drained

Both upper clamps removed from the outlet manifold

Outlet manifold removed leaving elbows, gaskets, clamps, and tee assembled

For 3A Ball Check pumps: ball gasket removed

Middle clamp and ball stop housing removed

Lower clamp, seat, and gasket removed

Check/tighten fluid connections

Before each use, check all hoses for wear or damage, and replace as necessary. Check to be sure all connections are tight and leak-free.

Manifolds and ball check valves removed

Fluid covers and diaphragm assemblies removed

Screws holding the air covers to the center housing removed using a 10 mm socket wrench

Air cover gaskets removed and replaced with new ones

Diaphragm shaft bearings, air valve bearings or pilot pin bearings removed using a bearing puller

U-cups removed and inspected, parts replaced as needed

Manifolds and ball check valves removed

Clamps removed and fluid covers pulled off the pump

Diaphragm assembly loosened and one assembly free

Free diaphragm assembly disassembled

Plate with bolt installed, diaphragm, and plate removed

Other diaphragm assembly and diaphragm shaft removed from the center housing

Diaphragm shaft inspected for wear or scratches