Cooper QD3 - Page 57

S225-12-1
57
!
SAFETY
FOR LIFE
Figure 168.
Tap-changer sections.
3. Align the center hub of the main moveable contact
assembly with the center hole in the tapchanger drive
assembly. (See Figures 166 & 167.)
Figure 166.
Contact assembly and main moveable contacts.
Figure 167.
Drive assembly panel.
Stationary Contact
Main Moveable
Contact
Hub
Center Hole
4. Press both of the tapchanger assembly sections togeth-
er and stand upright. (See Figure 168.)
Contact Panel
Drive Panel
Drive Assembly
Panel
5. Insert four pan head Allen screws into the tapchanger
assemblies. Two screws will mount the two tapchanger
assemblies and the terminal block bracket at the top of
the tapchanger. The other two screws are inserted in
the mounting holes along both side centers of the tap
changer. (See Figure 169.)
Figure 169.
Panel assembly fastening.
Screws
Screws