Cooper QD3 - Page 22

QD3 Quik-Drive Voltage Regulator Tap-Changer Manual
22
7. Remove the mounting bolts fastening the tap-changer-
mounting bracket to the top core clamp. (See Figure
43.) Remove the tap-changer from the regulator and
place on a work surface.
QD3/T350 Tap-changer Assembly
Separation
1. After removing the tap-changer from the regulator
assembly, use a Phillips head one point screwdriver
to loosen and remove the six screws mounting the
Reversing Lower, Raise and Neutral switch located
in the upper left corner of the tap-changer assembly.
(See Figure 44.)
Figure 43.
Tap-changer to core clamp fastening hardware.
Mounting Hardware
Figure 44.
Lower, raise and neutral logic switches.
Screws
Neutral
Raise
Lower
2. UsingaPhillipsheadscrewdriver,loosenandremove
the three mounting screws fastening the position
indicator micro switch hub to the front of the tap-
changer assembly. (See Figure 45.)
3. Remove the tapping indicator position lob pointer
from the tap-changer. The lob may have to be pried a
little to be removed. (See Figure 46.)
Figure 45.
Position indicator hub.
Screws
Position Indicator Hub
Figure 46.
Position indicator hub.
Position Indicator Hub