Goulds Pumps 3180-86 - IOM - Manual (Page 101)

178 101
412A
304
412F
10. Prevent the coupling end of the shaft from turning and torque the impeller nut to the specified
amount in the Maximum torque values for fasteners table in the Reassembly section of the
Maintenance chapter.
CAUTION:
Failure to torque the impeller nut can result in serious mechanical damage.
Install a Shearpeller ™
1. Install the shaft key (178) on the shaft (122).
2. Fit the sleeve O-ring (412F) on the shaft sleeve (126).
3. Apply a liberal coating of an anti-galling compound, such as Loctite Nickel Anti-seize, to the impeller
bore and shaft.
4. Apply Loctite 272 approximately 1/8 in. wide along the entire thread length.
5. Slide the impeller (101) onto the shaft and make sure that the sleeve O-ring (412F) stays in the groove.
6. Install the Shearpeller
™ sleeve (126A) on the shaft.
7. Fit the.O-ring (412A) into the Shearpeller ™ nut (304) and install it on the shaft.
8. Prevent the coupling end of the shaft from turning and torque the Shearpeller ™ nut to the specified
amount in the Maximum torque values for fasteners table in the Reassembly section of the
Maintenance chapter.
CAUTION:
Failure to torque the impeller nut can result in serious mechanical damage.
Maintenance
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual 99