Xylem P2001406B Series e-1510 Centrifugal Pumps - Manual (Page 30)

6. Remove the volute capscrews.
7. Remove the bearing frame and impeller assembly from the volute.
Remove the impeller
The following warning applies to all models except e-1510-es:
WARNING:
Never apply heat to remove an impeller. The use of heat may cause an explosion due to
trapped liquid, resulting in severe physical injury and property damage.
CAUTION:
Wear heavy work gloves when you handle impellers. The sharp edges can cause physical
injury.
1. For all models except the e-1510-es, remove the impeller capscrew.
2. Remove these parts:
• For all models except the e-1510-es, remove the lock washer and the washer.
• For the e-1510-es, remove the impeller nut, turning counter-clockwise.
3. Remove the impeller.
• For all models except e-1510-es, slide impeller off shaft.
• For e-1510-es, remove by turning counter-clockwise. Hold the shaft at the
coupling end and use a strap wrench on the impeller. If the impeller nut or
threaded impeller cannot be removed by turning, heat only as necessary with a
torch and disassemble while hot. Wear heat resistant gloves.
4. Remove the impeller key for all models except e-1510-es.
Remove the mechanical seal (e-1510 and e-1510-F)
1. Remove the rotating portion of the seal.
If necessary, use a screwdriver to loosen the rubber ring.
2. Remove the seal insert, the insert gasket, and the retainer if it is used.
Remove the seal or packing rings (e-1510-S and e-1510-PF)
1. Remove the hex nuts from the seal cap bolts.
2. Remove the coverplate screws.
3. Remove the coverplate from the bracket.
4. Remove the seal assembly or packing rings.
Pre-assembly inspections
Guidelines
Before you assemble the pump parts, make sure you follow these guidelines:
• Inspect the pump parts according to the information in these pre-assembly topics
before you reassemble your pump. Replace any part that does not meet the required
criteria.
• Make sure that the parts are clean. Clean the pump parts in solvent in order to remove
oil, grease, and dirt.
NOTICE:
Protect machined surfaces while you clean the parts. Failure to do so may result in
equipment damage.
Maintenance
28 Series e-1510 Installation, Operation, and Maintenance Manual