FEDCO MSS-40 - Fastener Torque Specifications; Pump Alignment Specifications; Balance Disc Specifications; Lubricants and Compounds

MSS
TM
Series
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Specications Continued
Fastener Torque Specications
Item Metric Standard
Precision leveling foot top cradle nuts 34 N-m 25 Lb-ft
Motor adapter bolts Refer to motor manufacturer for
bolt sizes/ specications
Support bracket adjustment bolts
81 N-m 60 Lb-ft
Inlet housing bolts MSS-15 through MSS-75 33 N-m 24 Lb-ft
Inlet housing bolts (HPSC) MSS-15 through MSS-75 33 N-m 24 Lb-ft
End shell ange bolts MSS-15 through MSS-120 81 N-m 60 Lb-ft
Series shell ange bolts MSS-15 through MSS-120 81 N-m 60 Lb-ft
Discharge housing retaining clip cap screws 10 N-m 7 Lb-ft
Pump shaft nut (balance disc nut)
MSS-15 through MSS-75
68 N-m 50 Lb-ft
Pump support bracket anchor bolt 108 N-m 80 Lb-ft
Stage split cone nut MSS-40 through MSS-75 54 N-m 40 Lb-ft
Coupling set screws (M6/ M10) 4 N-m/ 14 N-m 3 Lb-ft/ 10 Lb-ft
Pump Alignment Specications
Motor Adapter Gap Tolerances for non-uniform gaps
Good ≤ 0.381 mm 0.015"
Balance Disc Specications
Pump Model Original Thickness When New Wear Limit - 0.508 mm 0.020")
MSS-15 through MSS-75 13.5 mm (0.531") 13.0 mm (0.511")
Lubricants and Compounds
Lubricant
ASTM D1257
Standard Glycerine or fresh water with soap
Anti-seize compound Compliant with specic system