3-23
3 First Steps
Objective
positioner (with
MSA-A-TMS
option)
4. Connect the protective earth cable to the objective positioner as shown in
F
IGURE
3.17.
5. Tighten the screw [D] with a torque of 1.1 Nm.
6. Make sure that the contact resistance is < 0.1 Ω at 25 A at all connection
points relevant for mounting the protective earth cables.
Figure 3.17: Connection for the protective earth cable on the objective positioner
A
M4 contact washer
B
M4 cable lug
C
Washer Ø 4.3 mm for M4 screw
D
M4 x 8 head screw (special screw with a very flat head)
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