Spare parts – Goulds Pumps 3700 - IOM User Manual
Page 102
Maintenance
Item Part
Fastener
ft-lbs (N-
SA
SX
MA MX
LA & LX
XLA XLX XXL
Size
m)
&
XL
Torque
6
8
10 7
9
11 12
9
11 13 15 17.5 13 16 17
19 21
21
24 27
355
Nut gland 5/8-11 UNC
59(80)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
stud
3/4-10 UNC
105(142)
X
X
370N Screw -
1/2-13 UNC
30(40)
X
X
X
X
X
X
X
X
X
thrust
5/8-11 UNC
59(80)
X
X
X
X
X
X
X
X
X
X
bearing
end cov-
er to
frame
370P Screw -
5/16-18 UNC 7(9)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
radial
bearing
end cov-
er to
frame
Pump to 7/8-9 UNC
270(230)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
base
1 1/4-7 UNC 509(690)
X
X
198* Impeller
3/8-16 UNC
12(16)
X
X
X
X
X
X
cap
3/4-10 UNC
105(142)
X
X
X
X
screw
7/8-9 UNC
270(230)
X
X
X
X
X
X
304# Impeller
5/8-18 UNF
59(80)
X
X
X
X
X
nut
3/4-16 UNF
105(142)
X
X
X
X
1-12 UNF
255(210)
X
X
X
X
X
X
X
X
X
X
136
Locknut, 1.967-18
85(115)
X
X
X
bearing
2.157-18
105(142)
X
2.360-18
125(169)
X
X
X
X
X
X
X
X
2.548-18
155(210)
X
X
X
X
X
3.340-12
275(372)
X
3.527-12
310(420)
X
X
* Applicable for 3700LF
# Applicable for 3700/3703/3710
Note value used for torque is based off carbon steel
Spare parts
Critical services spare parts
For critical services, the following parts should be stocked, where applicable:
• Impeller (101) with impeller rings (202 and 203) (Applicable for 3700/3710)
• Impeller (101) (Applicable for 3703/3700LF)
• Thrust bearing end-cover (109A)
• Radial bearing end cover (119A)
• Shaft (122)
• Radial INPRO seal (123)
• Thrust INPRO (123A)
• Radial heat flinger (123B)
• Thrust fan (123E)
• Impeller key (178)
An alternative approach is to stock a complete back pull-out assembly. This is a group of
assembled parts which includes all but the casing and coupling.
Recommended spare parts
When ordering spare parts, always state the serial number, and indicate the part name and
item number from the relevant sectional drawing. It is imperative for service reliability to have a
sufficient stock of readily available spare parts.
It is suggested that the following spare parts be stocked, where applicable:
100 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual