6.6.6 Impeller installation
If your pump uses this type of impeller... Then refer to this installation procedure...
Enclosed impeller
Install an enclosed impeller.
Open impeller
Install an open impeller.
Shearpeller™
Install a Shearpeller™.
6.6.6.1 Install an open impeller
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 a coating of 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.
Fit the O-ring (412A) into the impeller nut (304) and install it on the shaft.
178
101
412A
304
412F
7.
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 Mainte-
nance chapter.
CAUTION:
Failure to torque the impeller nut can result in serious mechanical damage.
6.6.6.2 Install an enclosed impeller
1.
For the S, M, L, and XL sizes, install the wear ring (202) on the impeller and align the holes.
320
202
101
6.6 Reassembly
108
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual
Содержание GOULDS PUMPS 3180
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Страница 153: ...9 1 Certificates of conformance Models 3180 3181 3185 and 3186 Installation Operation and Maintenance Manual 151 ...
Страница 155: ...9 1 Certificates of conformance Models 3180 3181 3185 and 3186 Installation Operation and Maintenance Manual 153 ...