Service Information
11
Contents
Safety Information � � � � � � � � � � � � � � � � � � � � � � � � � � � � 2
Product Information � � � � � � � � � � � � � � � � � � � � � � � � � � � 3
Installation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Part Kit Instructions���������������������������18
QD3/T350 Main Moveable Contact Assembly Kit � � � 19
Kit Number 5741325B04
QD3/T350 Main Moveable Contact Assembly Kit � � � 32
Kit Number 5741325B04
QD3/T350 Motor Replacement Kit ���������������40
Kit Number 57A63675100B
QD3/T350 Motor Resistor Replacement Kit �������46
Kit Number 5791844A01
QD3/T350 PI Drive Cam Replacement Kit ���������49
Kit Number 5740783B21
QD3/T350 Reversing Stationary �����������������51
Contact Assembly Kit Number 5791822A02
QD3/T350 Reversing Moveable Contact and ������60
Neutral Stationary Contact Assembly Kit,
Kit Number 5741325B03
QD3/T350 TC-LTC P.I. Drive Face Gear Kit ��������72
Kit Number 5740787B11
QD3/T350 Quick Drive Holding Switch �����������74
Assembly Kit, Kit Number 574074B04
Voltage Regulators
QD3 Quik-Drive Voltage Regulator
Tap-Changer Manual
S225-12-1
August 2012 • Supersedes 6/09
Figure 1A.
QD3 Tap-changer.
Figure 1B.
QD3 Tap-changer.
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