Maintenance
81
The following diagram shows the front of the HTFr with fitted furnace locking device:
Fig. 39: Front of the HTFr with fitted furnace locking device
6. Using screws (
9
) to (
12
), secure the front furnace locking device (
14
) on the adapter ring
(
8
).
7. Turn the furnace locking device (
14
) and adapter ring (
8
) so that the support plate (
13
) is
aligned horizontally.
8. Gradually tighten each of the screws (
9
) to (
12
) in turn to ensure that the furnace locking
device does not get twisted. When tightening the screws, the O-ring is squeezed and the
tube pushed slightly backwards. The furnace locking device (
14
) and adapter ring (
8
)
should be aligned parallel to each other at all times.
9. Tighten the screws (
2
) to (
4
) so that the adapter ring (
8
) can no longer be moved.
The combustion tube has been inserted.
11
10
12
9
13
8
14
