Edwards Signaling 94DDV2 Series - Manual (Page 2)

P-047550-1773 ISSUE 3
Component
Catalog
Number
Xenon strobe tube 92-ST
Dome 94-DC
Lens* 93-L(*)
*Specify color of lens by adding the
letter A-amber, B-blue, C-clear,
G-green, M-magenta or R-red to the
catalog number.
Figure 2. Conduit Mounting of 94DDV2(*)-G1 Signals
Maintenance
WARNING
To reduce the risks of igniting hazardous
atmospheres and of electrical shock, ensure that
power is disconnected before installing the signal.
Do not connect power until installation is complete
and unit is tightly assembled and secured.
CAUTION
To prevent damage to the lens, do not use abrasive
materials or cleaners.
Cleaning
The signal's lens and dome should be periodically cleaned to
maintain optimum light visibility. These items may be cleaned
with a soft cloth or sponge using water or a mild detergent solu-
tion. Make sure the lens and dome are completely dry before
reassembly.
Strobe Tube Replacement
CAUTIONS
To prevent damage to the strobe tube, lift the lens
straight up and off of the signal.
To prevent damage to the strobe tube, handle the
tube only by the base.
Refer to the "Replacement Parts" section for the required strobe
tube.
1. (Figure 2) Disconnect the power and wait five minutes for
stored energy to dissipate. Lift the dome off of the signal
base. Loosen the three screws in the keyhole slots in the
base of the lens. Turn the lens clockwise and lift it straight
up and off the strobe tube support plate. Remove the three
screws holding the strobe tube support plate to the signal
base. Carefully lift the support plate off of the signal base.
2. Remove the tube from the socket by grasping the base of the
strobe tube and pulling firmly or by carefully prying between
the strobe tube base and the socket.
3. Install the new strobe tube by aligning the key on the strobe
tube base with the slot in the socket and then pressing the
strobe tube base into the socket.
4. Reassemble the signal.
5. Apply power and verify that the strobe operates.
Replacement Parts