Manual

Maintenance
Group Radial (inboard) Thrust (outboard)
SX 6212 C3 7312 BEGAM
MX, LA 6213 C3 7312 BEGAM
LX, XLA 6215 C3 7313 BEGAM
XLX 6218 C3 7317 BEGAM
XXL 6220 C3 7318 BEGAM
Wear rings inspection and replacement (Not applicable for 3703/3700LF)
Wear ring types
All units are equipped with casing, impeller, and seal-chamber cover wear rings. When
clearances between the rings become excessive, hydraulic performance decreases substan-
tially.
Wear ring diameter check
Measure all wear ring diameters and then calculate the diametrical wear ring clearances. See
the Minimum running clearances table for more information.
100 Casing
164 Casing wear ring
Figure 12: Casing wear ring
72 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual