ø22mm - LW Series Oiltight Switches & Pilot Devices
A3-124 www.idec.com USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC
A3
Switches & Pilot Devices
Instructions — LW Series
Replacement of Lens & Marking Plate
Removing
1. Remove the operator (lens, marking plate, and lens holder) by inserting a
screwdriver into the recess of the lens through the bezel.
2. Remove the marking plate by pushing the lens from the rear to disengage
the latches between the lens and the lens holder, using the screwdriver as
shown below.
Installing
For round lens types, place the marking plate on the lens holder with the anti-
rotation projection engaged and press the lens onto the lens holder to engage
the latches. For square lens types, insert the marking plate into the lens, and
press the lens onto the lens holder to engage the latches.
Pay attention to the orientation of the marking plate.
Replacement of Lamps
Lamps can be replaced using the lamp holder tool (OR-55) from the front of
the panel. Also by removing the contact block from the operator unit, the lamp
can be replaced.
Replacement of Lamps from the Front of the Panel.
(How to Remove)
1. Push and turn the lamp counterclockwise using the side A of the
lamp holder tool, and the lamp and the lamp holder can be removed.
(How to Install)
1. Insert the lamp into the lamp holder tool and hold the lamp as in the
following illustration.
2. Place the insertion guide of the lamp and the groove in the operator unit in
the same direction. Then push the lamp lightly and turn it clockwise.
Replacement of Lamps by Removing the Contact Block
The lamp can be replaced by removing the contact block without using the
lamp holder tool.
Marking Plates & Films
For LW series illuminated pushbuttons and pilot lights, legends and symbols
can be engraved on marking plates, or printed mylar can be inserted under the
lens for labelling purposes.
Marking Plate and Marking Film Size
Insertion Order of Marking Plate & Film
Insertion Order of Marking Plate & Film.
T
e trans
ucent
ter in t
e
ens
o
er can
not be r emoved because this filter is sealed to
make the unit waterproof and oiltight.
Pay attention to t
e orientation o
t
e
marking plate.
Lens Marking Plate Lens Holder
For Round Lens
Lens Marking Plate Lens Holder
For Square Lens
Lamp Lamp Holder Tool
Lens Style Round Lens Square Lens
Built-in
Marking
Plate
Engraving must be made on the engraving area within
0.02" (0.5mm) deep.
The marking plate is made of white acrylic resin.
Applicable
Marking
Film Mylar for printing labels are not included and must be
provided and printed by user.
Two 0.004" (0.1mm)-thick films or one 0.008" (0.2mm)-thick
film can be installed in the lens.
Recommended marking film: Mylar
Grooves in the
Operator Unit
Engraving
Area
ø0.694" (ø17.8mm)
0.033"
(0.85mm)
Engraving
Area
ø0.683" (ø17.5mm)
0.033"
(0.85mm)
0.772"
(19.8mm)
0.69" (17.7mm)
0.772"
(19.8mm)
Lens Marking Plate Lens Holder
For Round Lens
Film Housing
Top Marking Side
Lens Marking Plate Lens HolderFilm Housing
Top Marking Side
For Square Lens
1. Mylar is not included.
2. Pay attention to the orientation of marking plate.