4-5 PUMP ASSEMBLY SHAFT INSPECT/TEST/REPLACE (CONT).
Wear protective gloves when handling parts that have been heated, to
prevent personal injury.
Heat impeller wear ring (14) to a temperature of approximately 662°F (3500C). Install wear ring (14) onto
impeller (15) and secure with set screws (16).
Install casing wear rings (17) and secure with pins (18).
Position shaft sleeve (19) on shaft (2) and secure with two set screws (20) and key (21).
Install diaphragm (22).
Split rings must be adjusted. Allow 0.039 inch (1 mm) machining allowance.
Install second stage impeller (15) and secure with split ring (23) and key (24).
Position seal bushing (25) on shaft (2) and secure with pin (26).