•
Thrust bearing isolator (123A)
•
Radial bearing isolator (123B)
•
Cooling Fan (392B) -if supplied
•
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:
General repair kits
Wear Ring Kit
Item No. Part Name
Qty.
164
Wear ring, casing
1
230
Wear ring, seal chamber
1
202
Impeller wear ring, suction side
1
203
Impeller wear ring, hub side
1
222E
Set screw, stationary wear rings
6
320
Set screw, impeller wear rings
6
Throat Bushing Kit
Item No. Part Name
Qty.
125
Seal chamber, throat busing
1
222D
Set screw, throat bushing
1
Impeller Nut Kit
Item No. Part Name
304
Impeller nut
1
198A
Set screw, impeller nut
1
Bearing frame repair kits
Shaft Kit
Item No. Part Name
122
Shaft
1
136
Locknut, thrust bearing
1
178
Key, impeller
1
198A
Set screw, impeller nut
1
304
Impeller nut
1
382
Lockwasher, thrust bearing
1
400
Key, coupling
1
Oil Sump Liquid Cooling Kit
Item No. Part Name
Qty.
494
Tubing, finned cooling
1
494C
Bushing - H.C. reducing
1
6.6 Reassembly
114
Model 3700i API610 / Type OH2 Installation, Operation, and Maintenance Manual