Wilo Atmos TERA-SCH Instrucciones De Instalación Y Funcionamiento página 36

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Fig. 27: Exploded view of Atmos TERA-SCH hydraulic (version with gland pack)
No.
Part description
Bolts for bearing housing
1
Bearing housing (Drive end)
2
Bearing
3
Supporting ring
4
Bearing cover (Drive end)
5
Water thrower
6
Hexagon plug
11
Bolts for seal housing guard
12
Seal housing guard
13
Impeller key
14
Bolts for split flange
15
Lifting bolts
16
Table 15: Exploded view of Atmos TERA-SCH hydraulic (mechanical seal version with sleeves)
9.5.2
Disassembling the top housing
36
Maintenance/repair
No.
Part description
17
Air cock
18
Jack screws for opening top housing 32
19
Hose pipe
20
Top pump housing
21
Impeller
22
Bottom pump housing
23
Dowel pin for location
24
Shaft
25
Wear ring
27
Dowel pin for wear ring
29
Bolts for bearing cover
30
Bearing cover (Non-Drive End)
Close the isolating valves in suction and discharge line.
Drain the pump and open the air cock (17).
Remove both dowel pins (23) and all split flange nuts.
Types with gland packing
ƒ
Remove bolts for gland cover (40) from both ends and slide away the gland cover
(37).
ƒ
Remove gland packing (38) and logging ring (39).
ƒ
Connect suitable lifting tackles to the lifting bolts (16) provided on top half housing
(20).
ƒ
Remove the top housing.
ƒ
Remove the paper gasket placed in between the two housing halves.
Types with mechanical seal
ƒ
Disconnect the hose pipes (19).
ƒ
Loosen the nuts of the mechanical seal covers (7) and slide the covers away on the
shaft (24).
ƒ
Remove all bolts (15) that are joining top and bottom housing (20, 22).
ƒ
Connect suitable lifting tackles to the lifting bolts (16) provided on top half housing
(20).
ƒ
Remove the top housing.
ƒ
Remove the paper gasket placed in between the two housing halves.
No.
Part description
31
Lock washer
Lock nut
33
Bearing housing (Non-Drive End)
34
Sleeve
35
O-ring for sleeve
36
Sleeve nut
37
Gland cover
38
Gland packing
39
Logging ring
40
Bolts for gland cover
WILO SE 2020-10

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