ABB ConVac Installation And Operation Instruction Manual page 29

M A I N T E N A N C E
B
—
Fig 7c
—
Fig 7d
7.5.3 Fuses of DIN Standards replacement
• Mounting the adapters（Fig 7e）
The fuse holder is designed to take fuses with a
length of 442 mm. For smaller sizes, two
adapters are required:
- Adapter (45) for fuses with a length of 192 mm
(A)
- Adapter (46) for fuses with a length of 292 mm
(B)
Select the type of adapter in relation to the type
of fuse to be used, and insert it fully over the fuse
contact, opposite to the one of the striker. Tighten
the steel band and fully tighten the screw, the
torque is 10 Nm. To dismantle, proceed in reverse
order.
B
A
48
—
47
Fig 7e
• Dismantling the fuses
- Remove the plastic housing (Fig 7f)，for 12 kV
contactors, unfasten the screws on the plastic
housing first
- Open the locking rings ，moving them in the
direction shown by the arrows using the tool
(Fig 7g), and remove the fuse using the
special tool
- Use that special tool to pull one side of the fuse
from the holder (Fig 7h)
- Finally completely take the fuse out from the
holder (Fig 7j)
—
Fig 7f
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