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Rockwell Automation Publication 1502-UM060A-EN-P - October 2020
Chapter 4 Maintenance
Figure 29 - Gauging Auxiliary Contact Location
6. With the gauge in place, slide the assembly forward until the contact
actuator bottoms out. With the gauge still in place, carefully tighten the
auxiliary assembly retaining nut.
7. When the first nut is tightened, slide out and remove the feeler gauge.
8. Reinstall the green ground wire on the auxiliary assembly retaining bolt.
Install and carefully tighten the second nut.
9. Slowly loosen the top screw of the contactor clamping fixture to remove
the pressure on the armature plate. Loosen the two mounting screws on
the contactor clamping fixture. Remove the fixture.
10. Energize the control circuit in “TEST” mode and exercise the contactor to
verify set-up. Contactor must open and close smoothly and solidly.
Mechanically Latched
Contactor Trip Coil
Replacement Procedure
Parts
See
for the part numbers required for this procedure.
•
Required Tools
•
Two 7/16 in. Wrenches
•
3/8 socket and ratchet
•
5/16 socket and ratchet
•
Phillips Screwdriver
•
3/32 in. Right Angle Allen Key
•
Feeler gauges
•
Side Cutting Pliers
•
Wire Ties
•
Armature Clamping Fixture, PN-195987
Follow this procedure to replace the contactor trip coil.
IMPORTANT
Hold the bolt head using a wrench when you tighten the nut. Make
sure that the auxiliary assembly does not move as you tighten the
nut.
Auxiliary Actuator Bolt
Put Feeler Gauge Here
0.030 in. (0.76 mm)