SCHMITT SMP 150 PP, Оригинальное руководство по эксплуатации

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Maintenance
7.2.2 Check the plain bearings and replace them
When changing the plain bearings, refer to the drawings
( → 9.1.2 Drawings , Page 27).
Request spare parts from the manufacturer
( → 7.4 Replacement parts and return, Page 20).
When checking the plain bearings, inspect the following parts
for damage and exchange them as needed:
•
Impeller
• Housing
• Seals and O-rings
Dismount the pump
To allow the plain bearings to be checked and replaced, disas-
semble the pump.
Prepared for disassembly ( → 7.3.1 Preparations for dis-
mounting, Page 20).
1. Remove the hexagon nuts and washers (12) from the
hexagon socket screws (2).
2. Remove the hexagon socket screws (2).
3. Remove the front pump housing from the rear pump hous-
ing (10).
4. Remove the housing seal (6) and check it for damage. If
necessary dispose of the housing seal and fit a new part.
5. Remove the partition (7).
6. Remove the filter (9), check it for dirt and clean it if neces-
sary.
7. Remove the O-ring (8) and check it for damage. If neces-
sary dispose of the O-ring and fit a new part.
8. Remove the hexagon screws (18).
9. Remove the rear pump housing (10).
10. Remove the O-ring (15) and check it for damage. If neces-
sary dispose of the O-ring and fit a new part.
11. Pull the rear cover (16) with impeller (13) off the external
magnet (19).
12. Remove the seal from the pump support (17) and check it
for damage. If necessary dispose of the seal and fit a new
part.
Check the plain bearings and replace them
16-1 16-2 13-1 10-1 14
Fig. 5 Components of the plain bearing
10-1 Bearing ring, rear housing
13-1 Bearing ring, impeller
14 Bearing bush
16-1 Bearing ring, rear cover
16-2 Fixed axle in the rear cover
NOTE
Material damage due to incorrect use!
Inspect the ceramic parts of the plain bearings carefully; do
not strike them or knock them.
13. Check the bearing ring (10-1) on the rear pump housing
(10) for damage. In case of damage, dispose of the entire
rear housing and fit a new part.
14. Remove the impeller (13) from the rear cover (16).
15. Check the bearing ring (13-1) on the impeller (13) for dam-
age. In case of damage, dispose of the entire impeller and
fit a new part.
16. Check the impeller (13) for dirt and damage. If necessary
clean the impeller or dispose of it, and fit a new part.
17. Pull the bearing bush (14) off the fixed axle in the rear cover
(16-2) and check it for damage. In case of damage, dis-
pose of the bearing bush and fit a new part.
18. Check the bearing ring (16-1) and the fixed axle (16-2) on
the rear cover (16) for damage. In case of damage, dispose
of the entire rear cover and fit a new part.
19. If necessary, clear the through holes and relief holes.
18 SMP 11335/0320