Goulds Pumps 3180-86 - IOM - Manual (Page 29)

c) When the baseplate is level, tighten the upper hex nuts so that the upper springs are not loose in
the spring followers.
6. Fasten the lower and upper jam nuts on each spring assembly.
Install the baseplate using spring mounting (second generation)
Check these items before you start this procedure:
• The foundation pads are not provided with the baseplate. Make sure that the foundation pads are 316
stainless steel plates, which have a 63 to 125 micro-inch surface finish.
• Make sure that the foundation pads are correctly installed on the foundation/floor. See the
instructions from the manufacturer.
The springs in the second-generation spring-mounted baseplate are supplied in two sizes:
Free length of spring Spring rate Location Length of stud used
with the spring
7.125 in. (181 mm) 885 lbs/in.(149.72
newtons/mm)
Mounted under the
baseplate below the
pump
16 in. (406 mm)
11 in. (280 mm) 176 lbs/in.(30.82
newtons/mm)
Mounted under the
baseplate below the
motor
22 in. (559 mm)
1. Put the baseplate on a support above the foundation/floor.
Make sure that there is approximately 16 in. (406 mm) between the baseplate and the foundation/
floor in order to provide enough space to install the spring assemblies.
2. Apply an anti-galling compound to the threads of the studs, nuts, and bearing pads.
3. Assemble the spring assemblies:
a) Set a hex nut and a hex jam nut on a spring stud and thread it down 1 in. (25 mm).
b) Insert the stud from the top of the mounting bracket on the baseplate.
Refer to the GA outline dimension drawing in order to determine the correct length of the studs
for each location.
c) Install a follower with the flat side facing up.
d) Install a spring.
Refer to the GA outline dimension drawing in order to determine the correct spring for each
location.
e) Install a follower with the flat side facing down.
f) Install a flat washer, a hex nut, and a hex jam nut and thread them up 2 in. (54 mm).
g) Install a bearing pad on the lower end of the stud.
h) Hand-tighten the stud to the bearing pad.
The depth of the thread in the bearing pad is 1 in. (25 mm).
i) Set the bottom adjusting nuts on the stud to the heights (X1 and X2) indicated on the certified
GA dimension drawing.
Installation
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual 27