FRISTAM Pump FPHP 3552

Remove the wire ring from the coupling sleeve

Place a straight edge across the two coupling flanges

Measure the maximum offset at various points around the periphery of the coupling without rotating the coupling

Is the maximum offset within the acceptable range as per the 'Parallel' table?

Realign the shafts if necessary

Measure from the outside of one flange to the outside of the other ('Y') at intervals around the periphery of the coupling

Determine the maximum and minimum dimensions without rotating the coupling

Replace the pump shaft if necessary

Heat the new thrust bearings to 230ºF

Ensure the bearing heater does not exceed 250ºF

Slide thrust bearings onto the shaft in a back-to-back arrangement

Apply a light film of oil on the shaft

Replace bearing lock nut washer and lock nut

Bearing Block Oil Type Verification

Verify oil type for #1 Bearing Block

Verify oil type for 3VR Bearing Block

Check oil level is at the center of the sight glass for #1 Bearing Block

Check oil level is at the center of the sight glass for 3VR Bearing Block

Change oil after initial 20 hours of operation for new installations

Change oil every 2,000 hours or 3 months

Drain the oil from the bearing block

Unbolt the bearing block from the baseplate

Slide the bearing block away from the motor and remove the rubber coupling sleeve

Loosen the set screws on the coupling flange (40)

Remove the coupling flange and coupling key from the pump shaft

Remove the flush seal driver (26)

Remove the front and rear bearing block caps

Ensure all new seal components are used from the replacement seal kit

Slide the new flush seal drive ring (24) onto the pump shaft with the shorter tabs facing the flush seal driver (26)

Align the tabs with the slots in the seal driver

Slide the new flush seal spring (25) onto the pump shaft and position it against the flush seal drive ring

Lubricate the new flush seal o-ring (23) with a food grade lubricant

Place the o-ring inside the rotating flush seal ring (20) and slide the assembly onto the pump shaft

Align the tabs in the flush seal drive ring with the slots in the flush seal ring