19
Technical features and dimensions
3.9 - FURNACE DOOR: ADJUSTMENT,
OPENING AND CLOSING
IMPORTANT
- The door of the boiler must be opened when it is cooled off
to avoid damaging the fibre due to thermal shock.
- The insulation fibre of the door can show cracks after a
short time of operation; this however does not reduce its
insulation capacity nor jeopardise its lifespan.
- The door fibre is easy to replace and is covered by a two-
year warranty.
3.9.1 - “TST 3G 110÷TST 3G 380” BOILERS
For all these models, the door is hinged and fixed
according to the layout in fig. 18.
In these cases the door is mounted with four
identical hinges: the two on the left side, with
pininserted, are normally used as rotation hinges
(from right to left) while the two on the right are
used as closing hinges, the door is then
secured with 4 screws. It will be exactly the
opposite when the door is opened from left to right.
To invert rotation, just move the pins to the opposite
side.
The following adjustments can be made on the door
of these boiler models:
A
)
Vertical adjustment:
only by inserting suitably thick
washers below the hinge which the door turns on.
B) Crosswise rotation:
loosen the hinges fixed on the front
plate of the boiler and move them sideways.
C) Adjustment in the axial direction:
by adjusting the tighte-
ning screws.
fig. 18
3.9.2 - “TST 3G 500÷TST 3G 840” BOILERS
For all these models, the door is hinged and fixed according to
the layout in fig. 19.
In these cases, the two hinges on the left are normally used as
rotation hinges (from right to left) while the two on the right are
used as closing hinges.
It will be exactly the opposite when the door is opened from
left to right.
To invert rotation, just move the rear locknuts to the
opposite side.
The following adjustments can be made on the door of
these boiler models:
A
)
Vertical adjustment:
by acting on the nut of the upper hinge
pin which the door turns on.
B) Crosswise rotation:
loosen the hinges fixed on the front
plate of the boiler and move them sideways.
C) Adjustment in the axial direction:
by adjusting the tighte-
ning nuts.
fig. 19
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