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BLF
I
NSTALLATION
2.1
Unpacking & Handling
When unpacking or moving the furnace always lift it by its base. The furnace contains a
transformer and is heavy: use two or more people to carry it. Some models may alternatively be
lifted by fitting lifting bolts to captive threads in the top of the case.
Remove any packing material.
2.2
Siting & Setting Up
Place the furnace in a well ventilated room, away from other sources of heat, and on a surface
which is resistant to accidental spillage of hot materials. Do not mount the furnace on an
inflammable surface.
Ensure that there is free space around the furnace. Do not obstruct any of the vents in the case:
there are cooling fans in the case which must not be obstructed.
Ensure that the furnace is placed in such a way that it can be quickly switched off or disconnected
from the electrical supply - see below.
2.3
Fitting the Heating Elements
Wear eye protection when handling the heating elements. See the warning in section 5.6.
The Molybdenum Disilicide elements are EXCEPTIONALLY FRAGILE and are packed
separately, together with other items as shown in the list.
Transit Clamps – dependent on model: the example shown here is for the 3 litre models; remove
EHF /3 transit clamps
4
separately packed items
Elements
Element clamps
Element clips
Braids*
Separators
* or combined clips and braids may be supplied
Most
models
BLF 17/8
6
9
6
18
*
12
18
*
1 set
1 set
6
9
any transit clamps as shown.
Remove the complete top access panel using
the hidden screws in holes in the top of the
panel: loosen the screws two turns and
remove the panel
Fit the heating elements vertically into the
chamber. Handle the elements with great
care. The installation of these elements is
described later in this manual.
Connect the aluminium braids securely as
indicated in the element installation
instructions.
MF23
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