User Manual

Maintenance 4-7
1502-UM051E-EN-P – June 2013
9. Positionthemiddlevacuumbottleassembly(phaseB)inthecontactor.En-
surethattherockerwasherisbelowtheactuatorplateandthatthewearin-
dicator line is facing towards the front. Install and torque the load terminal
retainingboltandthevacuumbottlemountingboltto20•lb(27N•m).
 10. Withthearmatureplateheldtightlyagainstthe3/16”rod,turntheinsula-
tor as required such that the bottom of the overtravel spring touches the
surface of the actuator plate inside the counter bore. e spring must be
heldsecurelyinplace,slightlycompressed(asshowninFigure4.8).Tighten
the load terminal nut.
Rocker Washer
Load Terminal Nut
Actuator Plate
Overtravel Spring touches
surface of counterbore
Figure 4.8 – Insulator/Actuator Plate Set-up
 11. Withthearmatureplatestillheldtightlyagainsttherod,turnthegap
adjustmentnutuntiltherockerwashermakescontactwiththeroundrocker
barasshowninFigure4.9.Installthelockwasherandgaplockingnutand
tightenthetwonutsagainsteachothermakingsurethatthetopgapadjust-
ment nut does not turn.
Note:Ensurethattheovertravelspringisheldsecurelyinplacewithnoplay.
Shouldtherebeplayinthepositioningofthespring,loosentheloadtermi-
nalnutandrepeatSteps10and11.