
18
Instruction & Operation Manual
800.789.1718
Maintenance
Disassembly & Inspection
1.
Turn off and lock out power to pump motor.
2.
Isolate pump from system.
3.
Relieve system pressure.
4.
Remove suction and discharge lines from volute.
5.
Remove seal guard assembly.
6.
Loosen clamp assembly and remove.
7.
Remove casing and inspect for unusual wear or port damage.
8.
Push back impeller and center impeller retainer in the stub shaft.
9.
Remove impeller and inspect for unusual wear or damage.
10.
Remove impeller retainer.
11.
Rotate back plate to disengage from adapter pins and remove.
12.
See seal removal and inspection instructions on page 19.
13.
Inspect shaft to insure straightness and that it is fastened securely to the motor shaft.
14.
If stub shaft needs to be removed, remove deflector first.
15.
If necessary remove stub shaft by loosening the two (2) set screws. If the shaft does not remove easily, use a pry bar on
the periphery of the base of the shaft.
Scan this code on
your smart phone to
visit the YouTube
video for
BC Series Disassembly D-Seal
Scan this code on
your smart phone to
visit the YouTube
video for
BC Series Disassembly DG-Seal
Click here to visit the YouTube
disassembly video for BC Series
Click here to visit the YouTube