Great Plains TS1000 Trailer Sprayer Operator Manual - Manual (Page 30)

Great Plains Mfg., Inc.
TS1000
28 7/6/09 TS1000 Trailer Sprayer 500-111M
Ace Belt Drive Pump Seal Replacement
Refer to Figure 21
If seal replacement is required:
1. Loosen 4 3/8” x 3/4” long hex screws (1) which attach
the pump volute (2) to the mounting frame. Remove
volute from mounting frame.
2. Remove impeller (3) from pump shaft. Use file or sim-
ilar tool to unscrew in clockwise direction (left hand
thread).
3. Ceramic rotating portion of the seal (4) may now be re-
moved.
4. Using two screwdrivers inserted in mounting frame
weep holes, pry nonrotating portion of the seal (5) to-
ward the threaded part of the shaft and finish remov-
ing by hand.
5. If seal case is difficult to extract from the mounting
frame seal bore, two screwdrivers may be used to fur-
ther dislodge the seal.
6. Apply a small portion of nonhardening sealant to new
seal case to assure good seal to mounting frame bore.
Insert case into bore.
7. Make sure nonrotating 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 counterclockwise while holding shaft steady.
10. Replace gasket (6), volute and four 3/8” x 3/4” long
hex screws.
16141
Figure 21
Ace Belt Drive Pump Seal Replacement