TSF1080, TSF1090, TSF1280 & TSF1290
Maintenance and Lubrication
69
08/01/2018
500-641M
Ace Belt Drive Pump Seal Replacement
Refer to Figure 15
1.
Loosen four
3
8
x
3
4
-inch long hex screws
which
attach the pump volute
to the mounting frame.
Remove volute from mounting frame.
2.
Remove impeller
from pump shaft. Use file or
similar tool to unscrew in clockwise direction (left
hand thread).
3.
Ceramic rotating portion of the seal
may now be
removed.
4.
Using two screwdrivers inserted in mounting frame
weep holes, pry non-rotating portion of the seal
toward the threaded part of the shaft and finish
removing by hand.
5.
If seal case is difficult to extract from the mounting
frame seal bore, two screwdrivers may be used to
further dislodge the seal.
6.
Apply a small portion of non-hardening sealant to
new seal case to assure good seal mounting frame
bore. Insert case into bore.
7.
Make sure non-rotating seal portion is properly
seated by tapping lightly with suitable tool.
8.
Place o-ring over pump shaft and slide downward.
Oil face of new ceramic portion with light lubricating
oil and place over o-ring and press downward to
contact with the stationary portion.
9.
Install impeller on shaft (left hand thread). Tighten by
inserting a file or similar tool into impeller vane and
turn counter-clockwise while holding shaft steady.
10. Replace gasket
, volute, and four
3
8
x
3
4
-inch long
hex screws.
Figure 59
Ace Belt Drive Pump Seal
16141
1
2
3
4
5
6
