MSS
TM
Series
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Table of Contents
Warnings and Safety Precautions
...............7
Inspection of Service Kits Upon Receipt ..... 7
User Health and Safety ............................... 8
In the Work Area ......................................... 8
Electrical Connections and Regulations ..... 8
Pump Overhaul
..............................................9
MSS Pump External Components .............. 9
MSS Pump Internal Components
(MSS-15/20/30/50/70)............................... 10
MSS Pump Internal Components
(MSS-40/55/75)......................................... 11
Mechanical Seal Removal ........................ 12
Mechanical Seal Installation ..................... 15
HPSC Mechanical Seal Removal ............. 18
HPSC Mechanical Seal Installation ......... 21
Shaft Position Sensor Removal ................ 24
Shaft Position Sensor Installation ............. 25
Balance Disc Removal .............................. 28
Balance Disc Inspection............................ 32
Balance Disc Wear Chart .......................... 32
Balance Disc Installation ........................... 33
Stage Replacement (MSS-15/20/30/50/70) 38
Stage Replacement (MSS-40/55/75) ........ 49
Specifications
..............................................58
Cleaning .................................................... 58
Inspection.................................................. 58
Fastener Torque Specifications
................ 59
Pump Alignment Specifications
................ 59
Balance Disc Specifications
...................... 59
Lubricants and Compounds ...................... 59
Notes.............................................................60