Operation - Eaton SM87BG Manual Del Usuario

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Call points SM87BG/PB Exi
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3.0 Operation

The operating voltage of the unit is stated on the unit label. Please see the reference drawing supplied with each unit for
details of wiring and any fitted internal component values.
SM87BG General arrangement
SM87BG units - operation
The unit is operated by breaking the glass element in the
front of the cover using the hammer attached to the unit.
If a lift flap has been specified, this will need to be raised
first to gain access to the glass element.
SM87BG units - resetting procedure
a.
To replace the glass, a kit containing O-rings and
glass is provided.
b.
Unscrew and remove the circular bezel on the front
of the unit.
c.
Remove the original O-rings and glass and ensure the
grooves in the bezel and cover are clean.
d.
Fit the larger O-ring into the groove on the cover.
e.
Fit the smaller O-ring into the groove on the
underside of the bezel:-
i.
Offer the O-ring up to the groove.
2
Call points sM87BG/pB Exi TM147 Issue H January 2020 www.eaton.com
ii.
Place thumbs of both hands side by side onto the
O-ring.
iii.
Press the O-ring down into the groove circumference
maintaining even pressure, forcing the O-ring into the
groove.
iv.
The O-ring should be fully seated in the groove and
not fall out when fitting the bezel to the cover.
f.
Place the new glass element into position on the
cover and assemble the bezel over the top of the
glass element.
g.
Ensure the glass element stays central on the cover
by holding down the glass with thumb through the
hole in the centre of the bezel.
h.
Carefully use the glass element to depress the
plunger until the glass is in full contact with the cover
O-ring. Ensure there is an even gap around the glass.
i.
Without allowing the glass element to move, screw
down the bezel until the bottom of the bezel is
tightened against the cover.

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