MR1 & MR3 Mechanical Seal on Sleeve
1. Remove seal gland screws from the stuffing box.
2. Remove the seal gland and seal gland O-ring.
3. Remove the static (non-rotating) seal element.
4. Bend back the tabs of the tab washer, remove the heterotype key, and unfasten the
sleeve nut.
5. Pull the shaft sleeve with the rotating element off of the shaft.
6. Unfasten the set screws located on the rotating element of the seal and separate the
rotating element from the shaft sleeve.
7. Repeat steps 1-6 for the inboard side of the pump.
8. Remove the stuffing box from the shaft. Remove stuffing box O-rings from their
respective grooves.
9. Remove the shaft sleeve O-ring if it is still on the shaft.
6 Maintenance
e-XC INSTRUCTION MANUAL 57
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