Maintenance
7.3.2
Dismantling SHB 15–80 to 25–125
Cross-sectional drawing:
1. Remove protective caps (580.1).
2. Unscrew hexagon-head bolts (901.5).
3. Remove volute casing (102.1) from housing cover (161.1).
4. Undo impeller cap (260.1).
5. Undo the hexagon nut (920.4).
6. Remove the spring washer (934.1) and disc (550.1) from
the pump shaft (210.1).
7. Remove the impeller (230.1) together with welded-on shaft
protection sleeve and mechanical seal (433.1) from the
pump shaft (210.1).
8. Slip the V-Ring (507.1) off the shaft protection sleeve.
9. Remove the mechanical seal (433.1) from the shaft protec-
tion sleeve and put in a safe place.
10. Remove the housing cover (161.1) from the pump mount-
ing bracket (341.1).
11. Remove the coupling protection (681.1).
12. Unscrew hexagon-head bolts (901.3).
13. Remove pump mounting bracket (341.1) from motor
(801.1).
14. Undo the headless setscrews (904.1 and 904.2).
15. Remove pump shaft (210.1) from the motor shaft.
7.3.3
Dismantling SHB 32–125 to 100–200
Cross-sectional drawing:
1. Remove protective caps (580.1).
2. Unscrew hexagon-head bolts (901.5).
3. Remove volute casing (102.1) from housing cover (161.1).
4. Undo impeller cap (260.1).
5. Undo the hexagon nut (920.4).
6. Remove the spring washer (934.1) and disc (550.1) from
the pump shaft (210.1).
7. Remove the impeller (230.1) together with welded-on shaft
protection sleeve and mechanical seal (433.1) from the
pump shaft (210.1).
8. Optional: Remove the impeller (230.1) and shaft protection
sleeve (524.1) together with mechanical seal (433.1) from
the pump shaft (210.1).
9. Slip the V-ring (507.1) off the shaft protection sleeve
(524.1).
10. Remove the mechanical seal (433.1) from the shaft protec-
tion sleeve and put in a safe place.
11. Remove the housing cover (161.1) from the pump mount-
ing bracket (341.1).
12. Remove the coupling protection (681.1).
13. Undo the hexagon-head bolts (901.3).
14. Remove pump mounting bracket (341.1) from motor
(801.1).
15. Undo the headless setscrews (904.1).
16. Undo the cheese-head bolts (914.5).
17. Remove the coupling halves (841.1).
18. Pull pump shaft (210.1) out of the coupling shell.
7.4
Replacement parts and return
1. Have the following information ready to hand when order-
ing spare parts
–
Device type
–
ID number
–
Nominal pressure and diameter
–
Connection and gasket material
2. Please complete and enclose the document of compliance
for returns
(
→
www.asv-stuebbe.de/pdf_DOC/300359.pdf).
24
SHB
BA-2015.12.16 EN
300 486
