Alfa Laval Toftejorg TZ-79, Инструкция по эксплуатации, Страница: 22 / 48

Maintenance and Repair
(continued)
Top Assembly
Disassembly
1. Remove Screws (pos. 19). Loosen and unscrew with a Socket wrench (tool No. TE962A).
2. Lift off Top cone (pos. 1).
3. Remove Guide/Guide ring (pos. 2). The Guide has a groove in the outer diameter. The Guide is
easily lifted out of the Stem by means of two ordinary Screwdrivers inserted into the groove.
4. Remove Screw (pos. 17), Spring washer (pos. 16) and Washer (pos. 18). To secure Impeller
against rotation, insert carefully Screwdriver (tool no. TE135A), through Impeller (pos. 4) into a
hole in the Stem.
5. Pull off Impeller (pos. 4).
Reassembly
1. Reinstall Impeller (pos. 4). Make sure that Impeller is correctly rotated to be pushed onto Turbine
shaft. Do not try to hammer Impeller in position, as this will damage Slide bearing under Turbine
shaft.
2. Mount Washer (pos. 18), Spring washer (pos. 16) and 3/16" Screw (pos. 17) and tighten. To
secure Impeller against rotation insert carefully Screwdriver (tool No. TE135A) through Impeller
(pos. 4) into a hole in the Stem.
3. Reinstall Guide/Guide ring (pos. 2)
4. Mount Top cone (pos. 1). Make sure that it is in correct position over Guide/Guide ring (pos. 2).
Rotate Top cone to align holes in Top cone and Stem.
5. Mount Screws (pos. 19) with a Socket wrench (tool No. TE962A).
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