Rockwell Automation 1502 Medium Voltage Contactor, 800A (Series D and E) - Manual (Page 38)

Maintenance 4-9
1502-UM051E-EN-P – June 2013
Stop
Armature plate
Armature plate
makes contact
with Stop
Figure 4.10 – Return Spring Installation
16. With the contactor in the open position, measure the distance between the
bottom of the bearing and the top of the wear indicator line on all three
vacuum bottles with a feeler gauge. This dimension shall be 7.6 mm
(0.300 in.) minimum as shown in Figure 4.11.
Figure 4.11 – Vacuum Bottle Contact Gap (Front View)
Insulator
Wear indicator line
on operating shaft
7.6 mm
(0.30 in.)
Min.
Vacuum
Bottle