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5.
Slide casing (1) with the assembled seals onto the stub shaft. Use caution when sliding
assembled seals and stuffing box onto stub shaft.
6.
Install casing (1) to pump adapter with nuts (13) and washers (14).
Tighten nuts and washers.
7.
Screw impeller (2) to stub shaft.
8.
Tighten the set screws on the John Crane seal to keep it from rotating
independently on the shaft. To do this:
a.
Rotate the seal until you can see a set screw when you are
looking through the top flushing pipe hole.
b.
Using a
5
/
64
" Allen wrench, tighten the set screw through the
flushing pipe hole.
c.
Repeat this procedure until all four screws have been tightened.
9.
Install o-ring (5) in impeller.
10. Install impeller screw (4) on stub shaft. Note that impeller screw is metric (wrench
size is 13mm). Torque impeller screw to 180 lb-in or 15 lb-ft (21 Nm).
11. Install flushing pipes (24) to stuffing box.
MAINTENANCE
24
