3.3.2 Motor shaft without key (straight shaft) - conical clamping unit
a) Assemble the bush (21) with relevant gaskets (21a) on the motor shaft, until shaft end
b) Clean motor shaft and pinion (22) hole
c) Oil the pinion/shaft contact surfaces on both pinion and motor shaft (**)
d) Assemble the pinion (22) with the clamping ring (23) on the motor shaft, against bush (21)
e) Tighten the screws (22a) by hand to lock the clamping system
f) Tighten the screws (22a) step by step by means of a torque wrench, one opposite the other, to
the torque indicated in the chart below
(**) Don’t use Molybdenum Disulphide lubricants to prevent slipping of the clamping unit!
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