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80960G_MHW_GTF_05-2019_ENG
2.10 rePlacinG the internal fuse (oPtional only for Gtf 150-250a)
ATTENTION
Before and during the inspection/maintenance cut power to the fuse controller and verify that the system is isolated for
operator safety.
- Undo the cover fastening screw (1)
- Remove the cover following the movement indicated by the arrow (2)
- In this way the fuse is discovered (3)
- Loosen the two fastening nuts of fuse by means of fixed spanner N.13 (GTF 150)
- It is not necessary to remove the nuts as the fuse N.17 (GTF 200-250A) is slipped off its seat by turning it (4)
and extracting it (5) as indicated by the arrows
- Insert the new fuse as indicated by the arrows (6,7)
ATTENTION: the washer must remain between the dice and the fuse (NOT under the fuse).
Figure 10
- Fasten the two nuts by the 3-4 Nm torque
tube-shaped spanner N. 16
- Replace the cover pointing it to the lower
part (pay attention to the connection tooth)
- Fasten the cover by the specific screw
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