Advertisement
Page 2
TORQUE REQUIREMENTS FOR LIMIT SWITCH ASSEMBLY
Tighten the operating head screws to a torque value within the
following ranges to ensure and maintain the Enclosure Type
Ratings for the assembled limit switch.
Operating Head Screws — Tighten to ensure contact of head
to switch body: 14 - 18 lb. in.
OPERATING HEAD POSITIONING
Heads can be mounted on the switch body in any of four
directions, 90° apart. Torque screws according to require-
ments on page 1.
OPERATING HEADS — SIDE ROTARY
The operating mode (CW, CCW or CW and CCW) of these
spring return operating heads is easily changed without
tools as shown in the illustration. Remove the head from
switch body. Pull out the plunger and turn until its position
matches that shown on the diagram for the desired opera-
tion mode. Levers are adjustable to any angle (360°). The
operating shaft screwdriver slot can be used to maintain
shaft position during lever installation.
Set Operating Head Mode
Before Assembly
Side Rotary Operational Head
Bottom View of Side Operated
Rotary Head (Note Mode Change
Instructions in Head)
OPERATING HEADS — PUSH OPERATED
These spring return top push or side push operating heads
are available in pushbutton and roller styles.
The push roller style can be converted from vertical to
horizontal operation or vice versa. Pull roller out of the head
until it can be rotated 90° to the desired orientation. When
released, it will snap into the set position.
The Maintained Contact head has the reset pushbutton
located opposite of the actuator pushbutton.
Push Operational Head
OPERATING HEADS — WOBBLE STICK
These spring return, top operated heads use different rod-
type operators to detect motion in any direction perpendicu-
lar to the operator. The operator screws onto the threaded
head stub.
111032 Rev --
Effective 9/97
Advertisement
