DOCUMENT 1218
REV. B
Instruction Manual
AGS-LED
312 LED Series
300mm and 400mm
12
WARNING:
DANGER
Energy sources must be locked out and de-energized prior to
disconnecting power cables, connecting power cables, or servicing
electronics on an aircraft guidance sign. Disconnecting/connecting
power cables or servicing sign electronics without locking out your
energy source and de-energizing your power circuit can result in
severe injury or death.
10.3.1 Frangible Leg Replacement (For Signs with Internal Power Cord Option)
a.
De-energize and lockout power to the sign power circuit.
b.
Using a 2.5” wrench, remove, and discard, the short leg sections from the floor flanges.
c.
Unfasten the set screws in the sign leg connectors to remove, and discard, the long leg
sections from the sign body.
d.
Refasten the new legs onto the sign leg connectors. Bottom out the legs, then turn an
additional ¼ to ½ turn.
e.
Loosen and remove the ½” flange nuts and two-piece lock washers from the anchor
studs.
f.
Follow the steps outlined in
Section 9.8.2, pg. 7
, to re-install the sign onto the floor
flanges and sign legs.
10.3.2 Frangible Legs Replacement (For Signs with External Power Cord Option)
a.
De-energize and lockout power to the sign power circuit.
b.
Using a 2.5” wrench, remove, and discard, the short leg sections from the floor flanges
c.
Unfasten the set screws in the sign leg connectors to remove, and discard, the long leg
sections from the sign body.
d.
Refasten the new legs into the floor flanges. Bottom out the legs, then turn an additional
¼ to ½ turn.
e.
Follow the instructions of
Section
9.8.4, pg. 9,
to reconnect the power cord and restore
power to the Crouse-Hinds Aircraft Guidance Sign.
