Walchem LK Series Instruction Manual
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31 Operating PrincipleThe rotation of the motor is reduced by means of the worm and wheel. The rotary motion isconverted to a reciprocating motion by the spring-back mechanism (including the worm wheelshaft, slider, spring, etc.). The reciprocating motion is transmitted to the diaphragm directlyconnected with the shaft, changing the volume inside the pump chamber. The variation in volumeinside the pump chamber and the functioning of the valves in the pump head produce the pumpoperation. To adjust stroke length, the adjusting dial fixed on the control shaft is rotated to changethe return of the slider.DIAPHRAGMSHAFTSPRING CONTROLSHAFTDIALSLIDERWORM WHEELSHAFTMOTOR |
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