HONEYWELL INSTALLATION INSTRUCTIONS PK 81028 FORL LIMIT SWITCHESPlug-in 200L Type Plug switch into an 18PA1 terminal block, tighten two screws and mounting is complete. Installation of 18PA1 terminal block (purchased separately) is covered in instructions which are packed with the block. CompactL Type Two simple methods of mounting: (a) use four 10 screws from the front, or (b) use four -20 UNC screws from the back. Make sure conduit connection is sealed. Locate switch so condensate or oil wont drain into switch through conduit. For7L cavity mount type use four 10 screws to fasten the switch plate to the surface. A rubber gasket seals the plate to the mounting surface. COMPACT LS WITHOUT ACTUATOR Use copper, 60/75 degree C wire only. Terminal screw torque-20 inch pounds max. ADJUSTING INSTRUCTIONS Positioning Lever Actuator Head To give flexibility in The lever assembly is ad- application, the actu- justable to any position ator head may be posi- through 360 by loosening tioned in any of four the socket head screws. directions. A 5/32 inch hexagon key wrench is required (avail- (See NOTICE inDirection of Actuatio.) able inHandy Adjusting Tool Se 15PA53). Reversing the Roller The roller arm may be reversed to face the roller inside or outside of the arm.ADJUSTING INSTRUCTIONS (Continued) PK 81028 Adjusting Side ActuatedL Switches Direction of Actuation (3LS, 4LS, 203LS, and 204LS) Operation in clockwise, counterclockwise or both Hold the actuating plunger in fully depressed position directions of the lever arm is possible. As factory and with a 3/16-inch wrench, turn the adjusting screw assembled, the switch is actuated in both directions. counterclockwise until the switchclick. Then To convert the switch to one direction actuation, continue to turn the screw another turn to provide remove the actuator head and rotate the step plunger the necessary overtravel. 90 clockwise or counterclockwise. When the switch CAUTION: Be certain not to turn the adjusting screw is adjusted for actuation in one direction only the more than turn beyond the operating point. It could arm may be moved to the full overtravel position in exceed the overtravel of the basic switch and cause the opposite direction without damaging the mechan- permanent damage to the contact block. ism. Adjusting Yoke Type ActuatedL Switches (6LS and 206LS) If the actuator head is removed and replaced, read- Remove the switch cover plate (or entire switch in the 206LS1Plug-i design) to expose the internal justment for operating characteristics may be nec- actuating plunger and the contact block. Using the essary. See Adjusting Operating Characteristics. screwdriver slot on the end of the shaft as a guide, adjust internal plunger set screw so that the basic switch operates and releases at approximately equal angles past the vertical line on the screwdriver slot. Adjust in both the counterclockwise and the clock- wise directions. Be certain not to turn the adjusting screw too far out, so that it would exceed the over- travel of the contact block and cause per- manent damage to the contact block. Adjusting Operating Point Rotary Actuator Types (1LS and 201LS) INTERNAL PLUNGER SET SCREW Top In-Line Actuator Types 2LS, 5LS, 202LS, 205LS Short Pretravel Switches When replacement of the contact block is necessary or if the actuator head is removed and replaced, re- Adjusting instructions and figure below apply to adjustment may be required to duplicate the operating the short pretravel switches 1LS19, 1LS27, 1LS47, point as originally provided in the factory assembled 1LS56, 1LS58, and 1LS59. switch. This adjustment is made after the contact Using a 3/16-inch wrench, turn adjusting screw two block has been secured to the housing and with the turns to the right. Insert .008-inch feeler gage be- external lever arm or in-line plunger in the free tween adjusting screw and top lever. Turn adjusting position. Using a 3/16-inch wrench, turn the adjust- screw to the left until basic switch clicks. ing screw two turns clockwise (two wrenches are needed for top in- ine plunger switches). Insert a .045 to .049 inch feeler gauge between adjusting screw and internal switch plunger. Turn adjusting screw counter-clockwise until contact block operates. SeeHandy Adjusting Tool Se 15PA53. Contact Block Replacement Remove cover plate (or entire switch assembly ofPlug-i design) and remove the plastic contact Adjusting Flexible Type ActuatorL Switches block. Turn internal plunger adjusting screw two full (8LS and 208LS) turns to the right. Mount new block. Use two 3/16-inch open end wrenches to hold plunger The Handy Adjusting Tool Set for aII adjustments and turn adjusting screw two turns clockwise. Insert on typeL switches contains (2) 3/16-inch open- a .025 to .030 inch feeler gage between adjusting end wrenches, (1) 5/32-inch hexagon key wrench, screw and button on contact block. Turn adjusting Order Packet Number 15PA53. screw counterclockwise until contact block operates.