Sectional View - Goulds Pumps 3935 Installation, Operation And Maintenance Instructions

Disassembly and reassembly

Sectional view

J Frame
A greased-for-life medium duty
Conrad bearing carries thrust
loads developed by the low
pressure BP20 series pumps.
The maximum HP motor able
to be mounted on the J frame
is the NEMA 3 HP ODP.
18
NOTICE:
1. Steady bearing located between each stack - every 14 stages.
2. At completion of stacking, remove one 0.508mm | 0.020" shim from front of (suction side)
impeller 41.
S Frame
Two angular contact bearings
mounted face-to-face carry low
to medium duty thrust loads in
this regreaseable bearing frame.
NEMA motors from 3 HP TEFC
to 25 HP ODP can be mounted
on this bearing frame.
Model 3935 Installation, Operation and Maintenance Instructions
M Frame
A single angular contact bearing car-
ries medium to heavy thrust loads and
provides oil lubrication for pumps re-
quiring NEMA motors from 3 HP TEFC
to 25 HP OOP.