Fan Assembly - NOVENCO ZERAX AZL-AZN-AZW Installation And Maintenance Manual

Appendix - B. Fan assembly
Ø160 hubs
With centre bolt
1 2 3 6 5 7b 7c
Ø350 hubs
With hub clip
1 2 3 4 6 5 5a 7b
Ø560 hubs
No hub clip
1 2 3 6 5 5a 7a 7c
1. Hub covers are optional and available for hub sizes Ø350 and Ø560.
Figure 12.Fan disassembly and assembly
Novenco ZerAx axial fan types AZL-AZN-AZW – Installation and maintenance
9 10 8
7c 9 10
9 10 8
Ø350 hubs
Welded
1 2 3
Ø560 hubs
With hub clip
8
1
Components
1. Screws
2. Hub cap
3. Centre bolt and washers
4. Hub clip with screws and washers 8.
5. Hub boss
5a. Hub cover
6. Rotor
Size
7b
M6
M8
M10
M12
M16
M20
Table 9. Tightening torques
5 6 5a 7a 9 10
2 3 4 6 5 5a 7b 7c 9
7a. Nuts
7b. Bolts
7c. Washers
9.
1 10. Guide vanes
Torques [Nm]
Motor bolts (7b) Centre bolt (3)
9
23
45
78
190
370
8 7b
10 8
Motor
Fan casing
6
12
20
20
25
25
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