(1) Operation of the control valve
The control valve is operated by the levers. All control levers are mounted on a
linking shaft fitted on the cabinet through a bracket. The control levers operate the spools
through the linking rod.
Fig.7-2 Operation of control valve
▲ Install the inching switch
Make the inching switch bulb and camshaft keep identical center, with the tangency
of bulb surface and reel, then press the inching switch bulb with control valve rod, make
the stroke no less than 0.8±0.1mm，make the inching switch keep ON position, which can
be opened or closed freely by adjusting the clearance properly.
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