Qd5 Tap-Change Vr Reversing Stationary Contact Assembly Kit 5791646A27 - Eaton QD5 Manual

QD5 tap-changer VR reversing stationary
contact assembly kit number 5791646A27
(Refer to Service Information MN225028EN)
General
The purpose of this replacement kit is to provide the parts
and installation instructions for replacing the VR reversing
stationary contacts on a QD5 Quik Drive tap-changer.
Parts supplied
Item Part Number
1 0791646A27
Figure 95. VR reversing stationary contact.
Tools required
Ratchet Wrench
•
9/16 inch Deep-well Socket
•
Torque Wrench in-lbs
•
3/8 inch Socket
•
Installation procedure
VR reserving stationary contact removal and
installation
1. Each QD5 tap-changer has one VR reversing stationary
contact. Note that in the photo, the nylon separating
bar has been removed. It is not necessary to remove
the bar to perform these steps. See Figure 96.
36 QD5 QUIK-DRIVE TAP-CHANGER INSTALLATION AND MAINTENANCE INSTRUCTIONS MN225012EN March 2016
Description
VR Reversing Stationary
Contact
VL Stationary
Qty
1
Figure 96. Reversing stationary contact.
2. If the reversing movable contacts are located on the
VR reversing stationary contact, place a 3/8" socket
onto the rear shaft of the motor. See Figure 97 . Using
a ratchet, rotate the motor shaft clockwise to move
the reversing movable contacts off of the reversing
stationary contact. It may be necessary to rotate
the tap-changer through several positions before the
movable reversing contact will begin to move.
3/8 - Socket and
Ratchet
Figure 97. Motor and reversing movable contact
rotation.
Neutral Stationary
Motor Shaft
Back Side of
Contact Panel
VR Stationary
Contact