Alfa Laval Alfa Laval Air Actuated Tank Outlet Valve 762-123M-20S-X-316L 762-123M-20S-X-316L

Warning: Ensure the valve stem is secured before starting the procedure

Is the Nylon Locking Pin located in the middle of the stem thread?

Is the valve stem loose due to vibrations?

If the valve stem is loose, proceed to the next steps

Did you punch out the old nylon pin with an 1/8 inch or smaller diameter punch?

Did you insert a new nylon locking pin?

Sign off on the actuator stem replacement

Warning: Disconnect and remove actuator completely from valve before proceeding

Bushing and packing failure check

If one end fails, both ends of the actuator should be serviced

Upload a photo of the damaged components

Sanitary Lubricant applied on stem and o-ring?

All valve bodies mated properly?

Ensure clean bench area to prevent marking and nicking of seats

Warning: Only use C137 or STP oil for lubrication

C137 or STP oil injected into the unthreaded thru hole in each end of the actuator

Actuator rolled on a flat surface repeatedly to obtain uniform coverage of lubricant

Sign off on the actuator lubrication

Inspect Valve Body Seat(s) for nicks and scratches and other signs of excessive wear

Inspect Valve Stem & Seat(s) rubber or PTFE seat(s) for signs of cracking, tearing, checking, or excessive wear

Inspect stem finish for galling, nicks, or scratches

Inspect Split Bushing for signs of cracks, nicks, scratches or excessive wear on inside diameter

Inspect O-ring(s) for cuts, abrasions, flat spots, or other damage

Upload a photo of the inspected valve

Sign off on the valve inspection