GTS BG 132, Installation And Operating Manual

Page: 108 / 128

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Issue 05/2013 Page 108
Disassembly
Disassembly of single-bearing generators
10.4.2 Disassembly of brushless single-bearing generators
Preparatory work
>
Disconnect electrical connection lines of the generator.
Ö
Electrical generator connection, page 73
>
Continue with the disassembly with the following descriptions:
>
For shaft attachment via grub screw, continue with the next section.
>
For shaft attachment via tension bolts.
Ö
Disassembly of shaft attachment via tension bolt, page 111
Disassembly of shaft attachment via the grub screw
Ö
Fig. 35, Disassembly of brushless single-bearing generators (1),
page 109,
Ö
Fig. 36, Disassembly of brushless single-bearing generators (2),
page 110,
Ö
Fig. 37, Disassembly of brushless single-bearing generators (3),
page 110
>
Remove the fan wheel cover [3] (Figure 35) and fan wheel [2] from the
generator.
The fan wheel is secured with a key (against twisting) and a saw ring on the shaft.
>
If necessary, install a spacer below the generator as appropriate, and undo
the front bearing plate from the generator.
>
Unscrew the four mounting screws [4] of the front bearing plate from the
generator.
>
Instead of the fan wheel, place the special hexagon nuts [2] onto the
generator shaft.
>
Use the key [1] to secure against twisting.
>
Restrain the motor shaft with the special tool from the motor
manufacturer.
>
Apply the screw spanner to the special hexagon nut and undo the grub
screw joint between motor and generator shaft.
>
Turn down the generator shaft from the grub screw which is screwed into
the motor shaft, remove the generator.