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Loosely fit the work tube support boss Figure 2-15 (5), "O" ring (6), clamp ring (7), clamp
(8), extended work tube slide bracket (3) and adaptor plate (4) onto the work tube in the
position shown in Figure 2-14 (approximately 77 to 79mm from the work tube end). Note
that the clamp is on the outside of the bracket and that the gap of approximately 7 to 9mm
on the inside of the bracket is to allow the work tube to expand at high temperatures.
Tighten the compression clamp (8) then adjust the position of the slide bracket until it
begins to support the weight of the work tube. Tighten the screw knobs (9) to hold in place
and check the work tube ends are still supported, if not then readjust.
Note that the position of work tube supports should be checked before each time the
furnace is used
Index to numbered items in Figure 2-15, Figure 2-14,Figure 2-16, Figure 2-17 and Figure 2-18.
1.
Work tube (diameter customer option)
2.
Extended work tube support bracket
3.
Extended work tube slide bracket
4.
Work tube adaptor plates (adaptor plates for 25mm, 43mm and 63mm OD work tubes are
supplied in a kit - select the correct ones to suit the work tube OD)
5.
Work tube support boss (this is size dependent on work tube diameter)
"O" ring
6.
7.
Clamp ring
8.
Clamp
9.
M6 screw knob
10.
Furnace mounting cradle
11.
Washer M6
12.
Fixing screws M6x16 dome cap screw
13.
Extended work tube guard
14.
Gas/vacuum end seal option (fitting instructions: Installation, Operation & Maintenance
Instructions Tube End Seal Gas and Vacuum Application MF64)
Figure 2-16. EVT with an extended work tube fitted.
MF65-1.01
E range
11
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