Xylem Pump 3SV6TD4F62

Inspect for dirty or high moisture conditions

Verify lubricant type (do not intermix grease bases)

Purge old grease if changing grease base

Refer to driver and coupling manufacturers

Store in a covered dry location

Drain the pump through the drain plugs if inactive and in a freezing location

Ensure the drained liquid does not cause damage or injuries

Recommended Motor Bearing Lubrication Intervals

Are lubricants operated at elevated temperatures?

Increase lubrication frequency if lubricants are operated at elevated temperatures

Is there a need to change grease base?

Completely purge old grease if changing grease base

Ensure not to intermix grease bases (lithium, sodium, etc.)

Check for signs of over greasing

Avoid over greasing to prevent excessive bearing temperatures, lubricant and bearing failure

WARNING — DISCONNECT AND LOCKOUT ELECTRICAL POWER BEFORE ATTEMPTING ANY MAINTENANCE. FAILURE TO DO SO CAN CAUSE SHOCK, BURNS OR DEATH.

Mechanical Seal Replacement (e-SV 1–125) — Conventional Seal

Close all necessary suction and discharge valves to isolate the pump from the system

Drain the liquid from the pump by removing the drain plug and opening the needle valve on the vent plug

Remove the coupling guards, the 4 coupling hex cap screws, the coupling and coupling drive pin

Remove the 4 motor hex cap screws (inner screws) on the seal housing

Remove the seal housing plate on 33-125SV models using the two tapped holes provided

Turn the seal housing upside down and remove the stationary seat and o-ring