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MICRO SWITCH
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
Printed with Soy Ink
on 50% Recycled Paper
Helping You Control Your World
PK 88173 ISSUE 2 496 Printed in USA
N18 TYPES
If actuator or basic switch is replaced, the
actuator may need adjustment to duplicate original
switch operating point. To adjust operating point,
remove lower seal band from base of seal boot.
“Peel back” seal boot to expose bushing. With basic
switch unoperated, slowly turn bushing clockwise
until basic switch operates. Do not turn further
after operating click is heard. Turn bushing back
1/2 turn. Tighten jam nut on bushing.
ACTUATOR DESCRIPTION
“Q”: unsealed. “N”: seal boot around plunger.
Horizontal and vertical lever adjustment.
• N80 & Q8: Roller plunger actuated.
• N81 & Q81: Cross roller plungers
• N2 & Q2: Roller lever for slide or cam operation.
• N28 & Q28: one-way roller lever actuator.
• N62 & Q62: 6 inch rod actuator.
• N4 & Q4: large button for easy hand operation.
• N18: Coil spring wobble lever.
N2 & Q2, N4 & Q4, N28 & Q28, N62 & Q62 TYPE
ACTUATOR ADJUSTMENT
Vertical Adjustment
Vertical Adjustment Range
N2 & Q2 - Roller lever 225° To adjust: loosen
N4 & Q4 - Hand op. 180° hex nut, adjust arm
N62 & Q62 - Rod lever 225° to desired position,
N28 & Q28 - One way 180° tighten hexnut.
Calibration
1. One lever arm serration: 8.18°.
2. One serration of lever arm and fluted washer as a
unit: 8°.
3. One serration of lever arm with one serration of
fluted washer in opposite direction: 0.18°.
LUBRICATING INSTRUCTIONS for Roller
Plunger Switches only (N80, N81, Q8, Q9, Q81)
For maximum life, periodically put a drop or two
of lightweight oil on the roller. Specific application
conditions will determine lubricating frequency.
Horizontal Adjustment
Horizontal Adjustment Range
“Q” types; [8] 45° positions - loosen mounting
nut; adjust to new position, seating bracket base
pin. Tighten munting nut.
Sealed “N” types; loosen mounting nut; adjust
to any position; tighten mounting nut.
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as
being free of defective materials and faulty
workmanship. Commencing with date of shipment,
Honeywell’s warranty runs for 18 months. If
warranted goods are returned to Honeywell during
that period of coverage, Honeywell will repair or
replace without charge those items it finds
defective. The foregoing is Buyer’s sole remedy
and is in lieu of all other warranties, expressed
or implied, including those of merchantability
and fitness for a particular purpose.
For application assistance, current specifications,
pricing or name of the nearest Authorized
Distributor, contact a nearby sales office. Or call:
1-800-537-6945 USA
1-416-293-8111 Canada
1-815-235-6847 International
INTERNET
http://www.honeywell.sensing.com
info@micro.honeywell.com