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

Page 34

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Maintenance

4-5

1502-UM051E-EN-P – June 2013

5. Slide the vacuum bottle assembly out of the contactor as shown in Figure 4.4

(the overtravel spring may need to be compressed slightly). Repeat this for

the remaining vacuum bottle assemblies.

Vacuum Bottle Assembly

Overtravel Spring

Figure 4.4 – Removal of Vacuum Bottle Assembly

6. Disassemble one assembly at a time as shown in Figure 4.5. Leave the gap

adjustment nut directly below the rocker washer on the insulator stud near

the bottom.

Figure 4.5 – Vacuum Bottle Assembly

Vacuum Bottle

Load Terminal (flexible)

Lock-

washer

Load Terminal Nut

Insulator

Wear Washer

Overtravel Spring

Rocker Washer

Gap Adjustment Nut

Lock-

washer

Gap Locking Nut

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