735

ø22mm - TW Series

Switches & Pilot Devices

1904032203

Instructions continued

Pilot Lights and Pushbuttons

IMPORTANT: Install the body of the TW control unit with the panel thickness scale facing up.

Octagonal and Round Bezels

Octagonal and round bezels screw into the operator. Use a locking ring wrench (optional) for secure tightening and easy removal. Round flush and extended buttons

snap onto the operator base. Mushroom buttons screw onto the operator base.

Every round lens can be used with or without legend markings. Engraving can be done on a white translucent plate which is placed in the lens, or clear mylar can be

printed and placed in the lens.

Round

Marking

Unit

Insert marking

plate under lens

Lens

Marking

Plate

Press in

Press in round flush and

extended lens.

Screw in mushroom lens

Square Bezels

Square bezels are installed in a 3-step procedure. First install the base plate from the front. Then install the lock nut using the nut locking wrench (optional). Finally,

install the square bezel, which snap-fits onto the base plate. Square buttons also snap onto the operator base.

Every square lens can be used with or without legend markings. Engraving can be done on a white translucent plate which is placed in the lens, or clear mylar can be

printed and placed in the lens. Square units include a round waterproof lens which screws into the operator. The square outer lens snaps on.

Square

Marking

Units

Insert marking

plate under lens

Pilot Light

Marking Plate

Insert marking

plate under lens

Illuminated Pushbutton

Marking Plate

Lens Retainer

Waterproof Lens

To remove square lens from operator, place a screwdriver under the indentation on the side of the lens. To remove the marking plate, place a screwdriver under the

indentation and lift out the plate. The lens retainer can be removed by pressing a 3/16” screwdriver into one of the recesses.

Marking Plate Engraving Area

Shape

Engraving Area

Used With

Part Number

Round

Ø 0.55” (14mm)

Illuminated pushbuttons

ALW2B

Ø 0.55” (14mm)

Pilot lights

APW2B

Mushroom

Ø 0.55” (14mm)

Illuminated mushroom

ALW3B

Square

q

0.83” (21mm)

Square pilot lights

APQW1B

Square

q

0.83” (21mm)

Square illuminated pushbuttons

ALQW2B