MR5 & MR6 Cartridge Seal on Shaft
1. Remove cartridge seal gland screws.
2. Loosen cartridge seal set screws that fasten the seal to the shaft. Remove cartridge
seal.
3. Remove stuffing box from pump shaft. Alternatively, the stuffing box and seal assembly
may be removed from the shaft together and decoupled thereafter. Loosen the
cartridge seal set screws before attempting to pull the entire assembly from the shaft.
4. Repeat steps 1–3 for the inboard side of the pump.
5. Remove snap ring adjacent to outboard end of the impeller hub.
6. Remove impeller assembly from shaft. Heat the impeller and slide it off of the shaft.
Alternatively, press the impeller off of the shaft if a suitable press is available. Wear
insulated gloves.
6 Maintenance
e-XC INSTRUCTION MANUAL 63
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