Spare Parts - Goulds Pumps 3700 Installation, Operation And Maintenance Manual

Item Part Fastener
Size
355 Nut gland 5/8-11 UNC 59(80)
stud
3/4-10 UNC 105(142)
370N Screw - 1/2-13 UNC 30(40)
thrust
5/8-11 UNC 59(80)
bearing
end cov-
er to
frame
370P Screw - 5/16-18 UNC 7(9)
radial
bearing
end cov-
er to
frame
Pump to 7/8-9 UNC
base
1 1/4-7 UNC 509(690)
198* Impeller 3/8-16 UNC 12(16)
cap
3/4-10 UNC 105(142)
screw
7/8-9 UNC
304# Impeller 5/8-18 UNF
nut
3/4-16 UNF
1-12 UNF
136 Locknut, 1.967-18
bearing
2.157-18
2.360-18
2.548-18
3.340-12
3.527-12
* 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:
Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual
ft-lbs (N- SA SX
m)
Torque 6 8 10 7 9
X X X X X X
X X X X X
X X X X X
270(230) X X X X X X
X X X X X X
270(230)
59(80) X X X X X
105(142)
255(210)
85(115) X X X
105(142)
125(169) X X X
155(210)
275(372)
310(420)
MA MX LA & LX
11 12 9 11 13 15 17.5 13 16 17
X X X X X X
X X X X
X X
X X X X X X
X X X X X X
X X X X
X X
X X X X
X X
X
X X X X X
Maintenance
XLA XLX XXL
&
XL
19 21 21
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X
X X X X X X
X X X X X
X
24 27
X X
X X
X X
X X
X X
X X
99