Great-plains TSF1290 Operator Manual User Manual download pdf (Page 72)

68 TSF1080, TSF1090, TSF1280 & TSF1290 Great Plains Manufacturing, Inc.

500-641M 05/10/2012

Ace Belt Drive Pump Seal Replacement

Refer to Figure 15

1. Loosen 4

⁄

in x

⁄

in 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 sim-

ilar 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 con-

tact 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 4

⁄

in x

⁄

in long

hex screws.

Figure 60

Ace Belt Drive Pump Seal

16141

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Great-plains TSF1290 Operator Manual User Manual Page 72

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