IEMCA BOSS 542 CNC, Manual For Use And Maintenance, Page: 70 / 167

68
5
302.034
Microswitch S92
•
Rotate manually shaft A until the headstock starts its
return stroke with closed collet.
•
Release S92 microswitch wheel.
•
Continue rotation until the headstock has completed
its return stroke.
•
Lift wheel S92 .
Microswitch S99
When the threading tool starts its return stroke, lower
S99 microswitch wheel and lift it before the stroke is
over.
Should microswitch S99 be fitted on lathe, setting
adjustments are to be performed on lathe cam.
❑
General remarks
•
Microswitch activation can be either delayed or ad-
vanced through screw
C .
•
Whenever servicing the camshaft, disconnect the
cam box, according to the following procedure:
- loosen clamp
D and unscrew sleeve E ;
- service the lathe camshaft;
- screw sleeve
E and tighten clamp D ;
- should shaft F be out of phase, loosen sleeve G screws,
rotate it and tighten the screws.
34.058 Ec. 0
B A C F G D
E