6.5.7 Pump disassembly for pumps with drop-in stuffing box and sleeveless shaft (wet
shaft) design
Follow disassembly instructions 1-23 outlined in Pump disassembly for pumps with drop-
in stuffing box and sleeve over shaft (dry shaft) design on page 50. Assume the outboard
(non-drive end) of the pump must be disassembled first unless stated otherwise. The term
‘inboard’ refers to the drive-end or coupling end of the pump shaft. The term ‘stuffing box’
may be interchangeable with ‘seal body’.
The following disassembly instructions depend on your specific pump’s sealing
configuration. Choose the instructions suited to your pump.
MR1, MR2, MR3, and MR4 Mechanical Seal on Shaft
1. Remove seal gland screws.
2. Remove seal gland. The static face of the mechanical seal may be pulled off of the
shaft simultaneously with the seal gland.
3. Remove stuffing box from pump shaft.
6 Maintenance
e-XC INSTRUCTION MANUAL 61
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